| Merritt Island (COI) | Merritt Island | FL | Knoxville Downtown Island to Merritt Island |
| New York/John F Kennedy International (JFK) | New York | NY | Knoxville Downtown Island to New York/John F Kennedy International |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Knoxville Downtown Island to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Knoxville Downtown Island to Chautauqua County/Jamestown |
| Cherokee County (JKV) | Jacksonville | TX | Knoxville Downtown Island to Cherokee County |
| Joplin Regional (JLN) | Joplin | MO | Knoxville Downtown Island to Joplin Regional |
| Jamestown Regional (JMS) | Jamestown | ND | Knoxville Downtown Island to Jamestown Regional |
| Joliet Regional Airport (JOT) | Joliet | IL | Knoxville Downtown Island to Joliet Regional Airport |
| North Palm Beach County General Aviation (KF45) | West Palm Beach | FL | Knoxville Downtown Island to North Palm Beach County General Aviation |
| Atlanta Regional/Falcon Field (KFFC) | Atlanta | GA | Knoxville Downtown Island to Atlanta Regional/Falcon Field |
| Fernandina Beach Municipal (KFHB) | Fernandina Beach | FL | Knoxville Downtown Island to Fernandina Beach Municipal |
| Genesee County (KGVQ) | Batavia | NY | Knoxville Downtown Island to Genesee County |
| Hammond Northshore Regional (KHDC) | Hammond | LA | Knoxville Downtown Island to Hammond Northshore Regional |
| Hereford Municipal (KHRX) | Hereford | TX | Knoxville Downtown Island to Hereford Municipal |
| Hornell Municipal (KHTF) | Hornell | NY | Knoxville Downtown Island to Hornell Municipal |
| Ortner (KI64) | Wakeman | OH | Knoxville Downtown Island to Ortner |
| Breckinridge County (KI93) | Hardinsburg | KY | Knoxville Downtown Island to Breckinridge County |
| Kickapoo Downtown (KIP) | Wichita Falls | TX | Knoxville Downtown Island to Kickapoo Downtown |
| Canandaigua (KIUA) | Canandaigua | NY | Knoxville Downtown Island to Canandaigua |
| Wabash Municipal (KIWH) | Wabash | IN | Knoxville Downtown Island to Wabash Municipal |
| Apalachicola Regional (AAF) | Apalachicola | FL | Knoxville Downtown Island to Apalachicola Regional |
| Lehigh Valley International (ABE) | Allentown | PA | Knoxville Downtown Island to Lehigh Valley International |
| Abilene Regional (ABI) | Abilene | TX | Knoxville Downtown Island to Abilene Regional |
| Aberdeen Regional (ABR) | Aberdeen | SD | Knoxville Downtown Island to Aberdeen Regional |
| Southwest Georgia Regional (ABY) | Albany | GA | Knoxville Downtown Island to Southwest Georgia Regional |
| Antrim County (ACB) | Bellaire | MI | Knoxville Downtown Island to Antrim County |
| Nantucket Memorial (ACK) | Nantucket | MA | Knoxville Downtown Island to Nantucket Memorial |
| Ciudad Acuna International (ACN) | Ciudad Acuna | Coa | Knoxville Downtown Island to Ciudad Acuna International |
| Waco Regional (ACT) | Waco | TX | Knoxville Downtown Island to Waco Regional |
| Atlantic City International (ACY) | Atlantic City | NJ | Knoxville Downtown Island to Atlantic City International |
| Lenawee County (ADG) | Adrian | MI | Knoxville Downtown Island to Lenawee County |
| Ardmore Municipal (ADM) | Ardmore | OK | Knoxville Downtown Island to Ardmore Municipal |
| Robert F Swinnie (ADR) | Andrews | SC | Knoxville Downtown Island to Robert F Swinnie |
| Addison/Dallas (ADS) | Dallas | TX | Knoxville Downtown Island to Addison/Dallas |
| Ada Municipal (ADT) | Ada | OK | Knoxville Downtown Island to Ada Municipal |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Knoxville Downtown Island to Albert Lea Municipal |
| Alexandria International (AEX) | Alexandria | LA | Knoxville Downtown Island to Alexandria International |
| Fort Worth Alliance (AFW) | Fort Worth | TX | Knoxville Downtown Island to Fort Worth Alliance |
| Allegheny County (AGC) | Pittsburgh | PA | Knoxville Downtown Island to Allegheny County |
| Magnolia Municipal (AGO) | Magnolia | AR | Knoxville Downtown Island to Magnolia Municipal |
| Augusta Regional/Bush Field (AGS) | Augusta | GA | Knoxville Downtown Island to Augusta Regional/Bush Field |
| Ardmore Downtown Executive (AHD) | Ardmore | OK | Knoxville Downtown Island to Ardmore Downtown Executive |
| Arapahoe Municipal (AHF) | Arapahoe | NE | Knoxville Downtown Island to Arapahoe Municipal |
| Amery Municipal (AHH) | Amery | WI | Knoxville Downtown Island to Amery Municipal |
| Athens/Ben Epps (AHN) | Athens | GA | Knoxville Downtown Island to Athens/Ben Epps |
| Alliance Municipal (AIA) | Alliance | NE | Knoxville Downtown Island to Alliance Municipal |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Knoxville Downtown Island to Anderson Municipal-Darlington Field |
| Aiken Regional (AIK) | Aiken | SC | Knoxville Downtown Island to Aiken Regional |
| Atlantic Municipal (AIO) | Atlantic | IA | Knoxville Downtown Island to Atlantic Municipal |
| George Downer (AIV) | Aliceville | AL | Knoxville Downtown Island to George Downer |
| Lee C Fine Memorial (AIZ) | KAISER/LAKE OZARK | MO | Knoxville Downtown Island to Lee C Fine Memorial |
| Akron Fulton International (AKC) | Akron | OH | Knoxville Downtown Island to Akron Fulton International |
| Colorado Plains Regional (AKO) | Akron | CO | Knoxville Downtown Island to Colorado Plains Regional |
| Albany International (ALB) | Albany | NY | Knoxville Downtown Island to Albany International |
| Alice International (ALI) | Alice | TX | Knoxville Downtown Island to Alice International |
| St Louis Regional (ALN) | Alton | IL | Knoxville Downtown Island to St Louis Regional |
| Waterloo Regional (ALO) | Waterloo | IA | Knoxville Downtown Island to Waterloo Regional |
| Thomas C Russell Field (ALX) | Alexander City | AL | Knoxville Downtown Island to Thomas C Russell Field |
| Rick Husband Amarillo International (AMA) | Amarillo | TX | Knoxville Downtown Island to Rick Husband Amarillo International |
| Gratiot Community (AMN) | Alma | MI | Knoxville Downtown Island to Gratiot Community |
| Ames Municipal (AMW) | Ames | IA | Knoxville Downtown Island to Ames Municipal |
| Anniston Regional (ANB) | Anniston | AL | Knoxville Downtown Island to Anniston Regional |
| Anderson Regional (AND) | Anderson | SC | Knoxville Downtown Island to Anderson Regional |
| Tri-State Steuben County (ANQ) | Angola | IN | Knoxville Downtown Island to Tri-State Steuben County |
| Ainsworth Regional (ANW) | Ainsworth | NE | Knoxville Downtown Island to Ainsworth Regional |
| Anthony Municipal (ANY) | Anthony | KS | Knoxville Downtown Island to Anthony Municipal |
| Lima Allen County (AOH) | Lima | OH | Knoxville Downtown Island to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | Knoxville Downtown Island to Altoona/Blair County |
| Naples Municipal (APF) | Naples | FL | Knoxville Downtown Island to Naples Municipal |
| Alpena County Regional (APN) | Alpena | MI | Knoxville Downtown Island to Alpena County Regional |
| Marion County-Brown Field (APT) | Jasper | TN | Knoxville Downtown Island to Marion County-Brown Field |
| New Iberia/Acadiana Regional (ARA) | New Iberia | LA | Knoxville Downtown Island to New Iberia/Acadiana Regional |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Knoxville Downtown Island to Ann Arbor Municipal |
| Walnut Ridge Regional (ARG) | Walnut Ridge | AR | Knoxville Downtown Island to Walnut Ridge Regional |
| Watertown International (ART) | Watertown | NY | Knoxville Downtown Island to Watertown International |
| Lakeland/Noble F. Lee Memorial Field (ARV) | Minocqua | WI | Knoxville Downtown Island to Lakeland/Noble F. Lee Memorial Field |
| Andros Town/Fresh Creek (ASD) | Andros Island | | Knoxville Downtown Island to Andros Town/Fresh Creek |
| Nashua-Boire Field (ASH) | Nashua | NH | Knoxville Downtown Island to Nashua-Boire Field |
| Harrison County (ASL) | Marshall | TX | Knoxville Downtown Island to Harrison County |
| Talladega Municipal (ASN) | Talladega | AL | Knoxville Downtown Island to Talladega Municipal |
| John F Kennedy Memorial (ASX) | Ashland | WI | Knoxville Downtown Island to John F Kennedy Memorial |
| Ashley Municipal (ASY) | Ashley | ND | Knoxville Downtown Island to Ashley Municipal |
| Arthur's Town (ATC) | Cat Island | | Knoxville Downtown Island to Arthur's Town |
| Antlers Municipal (ATE) | Antlers | OK | Knoxville Downtown Island to Antlers Municipal |
| Hartsfield Jackson Atlanta International (ATL) | Atlanta | GA | Knoxville Downtown Island to Hartsfield Jackson Atlanta International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Knoxville Downtown Island to Gordon K Bush Ohio University |
| Appleton International (ATW) | Appleton | WI | Knoxville Downtown Island to Appleton International |
| Watertown Regional (ATY) | Watertown | SD | Knoxville Downtown Island to Watertown Regional |
| Augusta State (AUG) | Augusta | ME | Knoxville Downtown Island to Augusta State |
| Austin Municipal (AUM) | Austin | MN | Knoxville Downtown Island to Austin Municipal |
| Auburn University Regional (AUO) | Auburn | AL | Knoxville Downtown Island to Auburn University Regional |
| Austin Bergstrom International (AUS) | Austin | TX | Knoxville Downtown Island to Austin Bergstrom International |
| Wausau Downtown (AUW) | Wausau | WI | Knoxville Downtown Island to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Knoxville Downtown Island to Chicago/Aurora Municipal |
| Avon Park Executive (AVO) | Avon Park | FL | Knoxville Downtown Island to Avon Park Executive |
| Wilkes-Barre/Scranton International (AVP) | Scranton | PA | Knoxville Downtown Island to Wilkes-Barre/Scranton International |
| West Memphis Municipal (AWM) | West Memphis | AR | Knoxville Downtown Island to West Memphis Municipal |
| Algona Municipal (AXG) | Algona | IA | Knoxville Downtown Island to Algona Municipal |
| Chandler Field (AXN) | Alexandria | MN | Knoxville Downtown Island to Chandler Field |
| Spring Point (AXP) | Acklins Island | | Knoxville Downtown Island to Spring Point |
| Altus/Quartz Mountain Regional (AXS) | Altus | OK | Knoxville Downtown Island to Altus/Quartz Mountain Regional |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Knoxville Downtown Island to Auglaize County Neil Armstrong |
| Waycross-Ware County (AYS) | Waycross | GA | Knoxville Downtown Island to Waycross-Ware County |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Knoxville Downtown Island to Kalamazoo/Battle Creek International |
| Barnes Municipal (BAF) | Westfield | MA | Knoxville Downtown Island to Barnes Municipal |
| Benson Municipal (BBB) | Benson | MN | Knoxville Downtown Island to Benson Municipal |
| Bay City Regional (BBC) | Bay City | TX | Knoxville Downtown Island to Bay City Regional |
| Curtis Field (BBD) | Brady | TX | Knoxville Downtown Island to Curtis Field |
| Broken Bow Municipal/Keith Glaze Field (BBW) | Broken Bow | NE | Knoxville Downtown Island to Broken Bow Municipal/Keith Glaze Field |
| Wings Field (BBX) | Philadelphia | PA | Knoxville Downtown Island to Wings Field |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | Knoxville Downtown Island to Virginia Tech Montgomery Executive |
| Boca Raton (BCT) | Boca Raton | FL | Knoxville Downtown Island to Boca Raton |
| Baudette International (BDE) | Baudette | MN | Knoxville Downtown Island to Baudette International |
| Bradley International (BDL) | Windsor Locks | CT | Knoxville Downtown Island to Bradley International |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | Knoxville Downtown Island to Igor I Sikorsky Memorial |
| Beech Factory (BEC) | Wichita | KS | Knoxville Downtown Island to Beech Factory |
| Laurence G Hanscom Field (BED) | Bedford | MA | Knoxville Downtown Island to Laurence G Hanscom Field |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Knoxville Downtown Island to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | Knoxville Downtown Island to Bradford Regional |
| Western Nebraska Regional/William B Heilig Field (BFF) | Scottsbluff | NE | Knoxville Downtown Island to Western Nebraska Regional/William B Heilig Field |
| Mobile Downtown (BFM) | Mobile | AL | Knoxville Downtown Island to Mobile Downtown |
| Beaver County (BFP) | Beaver Falls | PA | Knoxville Downtown Island to Beaver County |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Knoxville Downtown Island to Virgil I Grissom Municipal |
| Beaufort County (BFT) | Beaufort | SC | Knoxville Downtown Island to Beaufort County |
| Hutchinson County (BGD) | Borger | TX | Knoxville Downtown Island to Hutchinson County |
| Decatur County Industrial Air Park (BGE) | Bainbridge | GA | Knoxville Downtown Island to Decatur County Industrial Air Park |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | Knoxville Downtown Island to Greater Binghamton Edwin A Link Field |
| Bangor International (BGR) | Bangor | ME | Knoxville Downtown Island to Bangor International |
| Hancock County-Bar Harbor (BHB) | Bar Harbor | ME | Knoxville Downtown Island to Hancock County-Bar Harbor |
| Birmingham-Shuttlesworth International (BHM) | Birmingham | AL | Knoxville Downtown Island to Birmingham-Shuttlesworth International |
| Beatrice Municipal (BIE) | Beatrice | NE | Knoxville Downtown Island to Beatrice Municipal |
| South Bimini (BIM) | Bimini Islands | | Knoxville Downtown Island to South Bimini |
| Bismarck Municipal (BIS) | Bismarck | ND | Knoxville Downtown Island to Bismarck Municipal |
| Bemidji Regional (BJI) | Bemidji | MN | Knoxville Downtown Island to Bemidji Regional |
| Wayne County (BJJ) | Wooster | OH | Knoxville Downtown Island to Wayne County |
| Stephens County (BKD) | Breckenridge | TX | Knoxville Downtown Island to Stephens County |
| Branson (BKG) | Branson | MO | Knoxville Downtown Island to Branson |
| Burke Lakefront (BKL) | Cleveland | OH | Knoxville Downtown Island to Burke Lakefront |
| Allen C Perkinson Blackstone Army Air Field (BKT) | Blackstone | VA | Knoxville Downtown Island to Allen C Perkinson Blackstone Army Air Field |
| Raleigh County Memorial (BKW) | Beckley | WV | Knoxville Downtown Island to Raleigh County Memorial |
| Brookings Regional (BKX) | Brookings | SD | Knoxville Downtown Island to Brookings Regional |
| Mercer County (BLF) | Bluefield | WV | Knoxville Downtown Island to Mercer County |
| Monmouth Executive (BLM) | Belmar | NJ | Knoxville Downtown Island to Monmouth Executive |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Knoxville Downtown Island to MidAmerica St Louis Scott AFB |
| Monroe County (BMG) | Bloomington | IN | Knoxville Downtown Island to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Knoxville Downtown Island to Central Illinois Regional at Bloomington Normal |
| Berlin Regional (BML) | Berlin | NH | Knoxville Downtown Island to Berlin Regional |
| Beaumont Municipal (BMT) | Beaumont | TX | Knoxville Downtown Island to Beaumont Municipal |
| Nashville International (BNA) | Nashville | TN | Knoxville Downtown Island to Nashville International |
| Barnwell Regional (BNL) | Barnwell | SC | Knoxville Downtown Island to Barnwell Regional |
| Boone Municipal (BNW) | Boone | IA | Knoxville Downtown Island to Boone Municipal |
| Boston Logan International (BOS) | Boston | MA | Knoxville Downtown Island to Boston Logan International |
| Bartow Executive (BOW) | Bartow | FL | Knoxville Downtown Island to Bartow Executive |
| Jack Brooks Regional (BPT) | Beaumont/Port Arthur | TX | Knoxville Downtown Island to Jack Brooks Regional |
| Brunswick Golden Isles (BQK) | Brunswick | GA | Knoxville Downtown Island to Brunswick Golden Isles |
| Brainerd Lakes Regional (BRD) | Brainerd | MN | Knoxville Downtown Island to Brainerd Lakes Regional |
| Southeast Iowa Regional (BRL) | Burlington | IA | Knoxville Downtown Island to Southeast Iowa Regional |
| Brownsville/South Padre Island International (BRO) | Brownsville | TX | Knoxville Downtown Island to Brownsville/South Padre Island International |
| Samuels Field (BRY) | Bardstown | KY | Knoxville Downtown Island to Samuels Field |
| Battle Creek Executive (BTL) | Battle Creek | MI | Knoxville Downtown Island to Battle Creek Executive |
| Marlboro County Jetport - H.E. Avent Field (BTN) | Bennettsville | SC | Knoxville Downtown Island to Marlboro County Jetport - H.E. Avent Field |
| Pittsburgh/Butler Regional Airport (BTP) | Butler | PA | Knoxville Downtown Island to Pittsburgh/Butler Regional Airport |
| Baton Rouge Metro Ryan Field (BTR) | Baton Rouge | LA | Knoxville Downtown Island to Baton Rouge Metro Ryan Field |
| Burlington International (BTV) | Burlington | VT | Knoxville Downtown Island to Burlington International |
| Cram Field (BUB) | Burwell | NE | Knoxville Downtown Island to Cram Field |
| Buffalo Niagara International (BUF) | Buffalo | NY | Knoxville Downtown Island to Buffalo Niagara International |
| Butler Memorial (BUM) | Butler | MO | Knoxville Downtown Island to Butler Memorial |
| Bartlesville Municipal (BVO) | Bartlesville | OK | Knoxville Downtown Island to Bartlesville Municipal |
| Batesville Regional (BVX) | Batesville | AR | Knoxville Downtown Island to Batesville Regional |
| Beverly Regional (BVY) | Beverly | MA | Knoxville Downtown Island to Beverly Regional |
| Brownwood Regional (BWD) | Brownwood | TX | Knoxville Downtown Island to Brownwood Regional |
| Bowling Green Warren County Regional (BWG) | Bowling Green | KY | Knoxville Downtown Island to Bowling Green Warren County Regional |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Knoxville Downtown Island to Baltimore/Washington Intl Thurgood Marshall |
| George R Carr Memorial Airfield (BXA) | Bogalusa | LA | Knoxville Downtown Island to George R Carr Memorial Airfield |
| Arkansas International (BYH) | Blytheville | AR | Knoxville Downtown Island to Arkansas International |
| Wexford County (CAD) | Cadillac | MI | Knoxville Downtown Island to Wexford County |
| Columbia Metropolitan (CAE) | Columbia | SC | Knoxville Downtown Island to Columbia Metropolitan |
| Akron/Canton Regional (CAK) | Akron | OH | Knoxville Downtown Island to Akron/Canton Regional |
| Clayton Municipal Airpark (CAO) | Clayton | NM | Knoxville Downtown Island to Clayton Municipal Airpark |
| Caribou Municipal (CAR) | Caribou | ME | Knoxville Downtown Island to Caribou Municipal |
| Greater Cumberland Regional (CBE) | Cumberland | MD | Knoxville Downtown Island to Greater Cumberland Regional |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | Knoxville Downtown Island to Council Bluffs Municipal |
| Shalz Field (CBK) | Colby | KS | Knoxville Downtown Island to Shalz Field |
| Clinton Municipal (CCA) | Clinton | AR | Knoxville Downtown Island to Clinton Municipal |
| Crane County (CCG) | Crane | TX | Knoxville Downtown Island to Crane County |
| Northeast Iowa Regional (CCY) | Charles City | IA | Knoxville Downtown Island to Northeast Iowa Regional |
| Chub Cay (CCZ) | Berry Islands | | Knoxville Downtown Island to Chub Cay |
| Harrell Field (CDH) | Camden | AR | Knoxville Downtown Island to Harrell Field |
| Woodward Field (CDN) | Camden | SC | Knoxville Downtown Island to Woodward Field |
| Chadron Municipal (CDR) | Chadron | NE | Knoxville Downtown Island to Chadron Municipal |
| Childress Municipal (CDS) | Childress | TX | Knoxville Downtown Island to Childress Municipal |
| Essex County (CDW) | Caldwell | NJ | Knoxville Downtown Island to Essex County |
| Cessna Aircraft Field (CEA) | Wichita | KS | Knoxville Downtown Island to Cessna Aircraft Field |
| Westover Arb/Westover Metropolitan (CEF) | Chicopee | MA | Knoxville Downtown Island to Westover Arb/Westover Metropolitan |
| Oconee County Regional (CEU) | Clemson | SC | Knoxville Downtown Island to Oconee County Regional |
| Mettel Field (CEV) | Connersville | IN | Knoxville Downtown Island to Mettel Field |
| Bob Sikes (CEW) | Crestview | FL | Knoxville Downtown Island to Bob Sikes |
| Kyle-Oakley Field (CEY) | Murray | KY | Knoxville Downtown Island to Kyle-Oakley Field |
| Coulter Field (CFD) | Bryan | TX | Knoxville Downtown Island to Coulter Field |
| Coffeyville Municipal (CFV) | Coffeyville | KS | Knoxville Downtown Island to Coffeyville Municipal |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Knoxville Downtown Island to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | Knoxville Downtown Island to Cuyahoga County |
| Cape Girardeau Regional (CGI) | Cape Girardeau | MO | Knoxville Downtown Island to Cape Girardeau Regional |
| Chickasha Municipal (CHK) | Chickasha | OK | Knoxville Downtown Island to Chickasha Municipal |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | Knoxville Downtown Island to Charlottesville Albemarle |
| Charleston International (CHS) | Charleston | SC | Knoxville Downtown Island to Charleston International |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Knoxville Downtown Island to The Eastern Iowa |
| Arthur N Neu (CIN) | Carroll | IA | Knoxville Downtown Island to Arthur N Neu |
| Cairo Regional (CIR) | Cairo | IL | Knoxville Downtown Island to Cairo Regional |
| Chippewa County International (CIU) | Sault Ste Marie | MI | Knoxville Downtown Island to Chippewa County International |
| North Central West Virginia (CKB) | Clarksburg | WV | Knoxville Downtown Island to North Central West Virginia |
| Fletcher Field (CKM) | Clarksdale | MS | Knoxville Downtown Island to Fletcher Field |
| Crookston Municipal Kirkwood Field (CKN) | Crookston | MN | Knoxville Downtown Island to Crookston Municipal Kirkwood Field |
| Outlaw Field (CKV) | Clarksville | TN | Knoxville Downtown Island to Outlaw Field |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Knoxville Downtown Island to Cleveland/Hopkins International |
| Clintonville Municipal (CLI) | Clintonville | WI | Knoxville Downtown Island to Clintonville Municipal |
| Clinton Regional (CLK) | Clinton | OK | Knoxville Downtown Island to Clinton Regional |
| Easterwood Field (CLL) | College Station | TX | Knoxville Downtown Island to Easterwood Field |
| Charlotte Douglas International (CLT) | Charlotte | NC | Knoxville Downtown Island to Charlotte Douglas International |
| Columbus Municipal (CLU) | Columbus | IN | Knoxville Downtown Island to Columbus Municipal |
| Clearwater Airpark (CLW) | Clearwater | FL | Knoxville Downtown Island to Clearwater Airpark |
| John Glenn International (CMH) | Columbus | OH | Knoxville Downtown Island to John Glenn International |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Knoxville Downtown Island to University of Illinois-Willard |
| Houghton County Memorial (CMX) | Hancock | MI | Knoxville Downtown Island to Houghton County Memorial |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Knoxville Downtown Island to Sparta/Fort Mccoy |
| Claremont Municipal (CNH) | Claremont | NH | Knoxville Downtown Island to Claremont Municipal |
| Blosser Municipal (CNK) | Concordia | KS | Knoxville Downtown Island to Blosser Municipal |
| Chanute Martin Johnson (CNU) | Chanute | KS | Knoxville Downtown Island to Chanute Martin Johnson |
| Waco Texas State Techical College (CNW) | Waco | TX | Knoxville Downtown Island to Waco Texas State Techical College |
| Coleman Municipal (COM) | Coleman | TX | Knoxville Downtown Island to Coleman Municipal |
| Concord Municipal (CON) | Concord | NH | Knoxville Downtown Island to Concord Municipal |
| Cotulla-La Salle County (COT) | Cotulla | TX | Knoxville Downtown Island to Cotulla-La Salle County |
| Columbia Regional (COU) | Columbia | MO | Knoxville Downtown Island to Columbia Regional |
| Congo Town (COX) | Andros Island | | Knoxville Downtown Island to Congo Town |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Knoxville Downtown Island to St Louis Downtown |
| Grand Strand North Myrtle Beach (CRE) | North Myrtle Beach | SC | Knoxville Downtown Island to Grand Strand North Myrtle Beach |
| Jacksonville Executive at Craig (CRG) | Jacksonville | FL | Knoxville Downtown Island to Jacksonville Executive at Craig |
| Colonel Hill (CRI) | Crooked Island | | Knoxville Downtown Island to Colonel Hill |
| Corpus Christi International (CRP) | Corpus Christi | TX | Knoxville Downtown Island to Corpus Christi International |
| C David Campbell Field-Corsicana Municipal (CRS) | Corsicana | TX | Knoxville Downtown Island to C David Campbell Field-Corsicana Municipal |
| Z M Jack Stell Field (CRT) | Crossett | AR | Knoxville Downtown Island to Z M Jack Stell Field |
| Yeager (CRW) | Charleston | WV | Knoxville Downtown Island to Yeager |
| Roscoe Turner (CRX) | Corinth | MS | Knoxville Downtown Island to Roscoe Turner |
| Columbus Metropolitan (CSG) | Columbus | GA | Knoxville Downtown Island to Columbus Metropolitan |
| Clinton-Sherman (CSM) | Clinton | OK | Knoxville Downtown Island to Clinton-Sherman |
| Creston Municipal (CSQ) | Creston | IA | Knoxville Downtown Island to Creston Municipal |
| Chester County G O Carlson (CTH) | Coatesville | PA | Knoxville Downtown Island to Chester County G O Carlson |
| Canton Municipal (CTK) | Canton | SD | Knoxville Downtown Island to Canton Municipal |
| Cortland County-Chase Field (CTX) | Cortland | NY | Knoxville Downtown Island to Cortland County-Chase Field |
| Cross City (CTY) | Cross City | FL | Knoxville Downtown Island to Cross City |
| Clinton-Sampson County (CTZ) | Clinton | NC | Knoxville Downtown Island to Clinton-Sampson County |
| Jim Hamilton L.B. Owens (CUB) | Columbia | SC | Knoxville Downtown Island to Jim Hamilton L.B. Owens |
| Cushing Municipal (CUH) | Cushing | OK | Knoxville Downtown Island to Cushing Municipal |
| Cancun International (CUN) | Cancun | Qui | Knoxville Downtown Island to Cancun International |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Knoxville Downtown Island to Cincinnati Northern Kentucky International |
| Clovis Municipal (CVN) | Clovis | NM | Knoxville Downtown Island to Clovis Municipal |
| Central Wisconsin (CWA) | Mosinee | WI | Knoxville Downtown Island to Central Wisconsin |
| Chennault International (CWF) | Lake Charles | LA | Knoxville Downtown Island to Chennault International |
| Clinton Municipal (CWI) | Clinton | IA | Knoxville Downtown Island to Clinton Municipal |
| Conroe North Houston Regional (CXO) | Houston | TX | Knoxville Downtown Island to Conroe North Houston Regional |
| Charles Kirkconnell Intl (CYB) | Cayman Brac | | Knoxville Downtown Island to Charles Kirkconnell Intl |
| Nuevo Chichen Itza (CZA) | Chichen Itza | Yuc | Knoxville Downtown Island to Nuevo Chichen Itza |
| Burlington Executive (CZB) | Burlington | ON | Knoxville Downtown Island to Burlington Executive |
| Cozumel Intl (CZM) | Cozumel | Qui | Knoxville Downtown Island to Cozumel Intl |
| Dimmit County (CZT) | Carrizo Springs | TX | Knoxville Downtown Island to Dimmit County |
| Daytona Beach International (DAB) | Daytona Beach | FL | Knoxville Downtown Island to Daytona Beach International |
| Dallas Love Field (DAL) | Dallas | TX | Knoxville Downtown Island to Dallas Love Field |
| Danville Regional (DAN) | Danville | VA | Knoxville Downtown Island to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | Knoxville Downtown Island to Dayton International James M Cox |
| Dublin W H Bud Barron (DBN) | Dublin | GA | Knoxville Downtown Island to Dublin W H Bud Barron |
| Dubuque Regional (DBQ) | Dubuque | IA | Knoxville Downtown Island to Dubuque Regional |
| Ragged Islands-Jumento Cays/Duncan Town (DCT) | Ragged Islands | | Knoxville Downtown Island to Ragged Islands-Jumento Cays/Duncan Town |
| Pryor Field Regional (DCU) | Decatur | AL | Knoxville Downtown Island to Pryor Field Regional |
| Dodge City Regional (DDC) | Dodge City | KS | Knoxville Downtown Island to Dodge City Regional |
| Decatur (DEC) | Decatur | IL | Knoxville Downtown Island to Decatur |
| Decorah Municipal (DEH) | Decorah | IA | Knoxville Downtown Island to Decorah Municipal |
| Coleman A Young Municipal (DET) | Detroit | MI | Knoxville Downtown Island to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Knoxville Downtown Island to Defiance Memorial |
| Dallas-Fort Worth International (DFW) | Dallas | TX | Knoxville Downtown Island to Dallas-Fort Worth International |
| Dothan Regional (DHN) | Dothan | AL | Knoxville Downtown Island to Dothan Regional |
| Dalhart Municipal (DHT) | Dalhart | TX | Knoxville Downtown Island to Dalhart Municipal |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | Knoxville Downtown Island to Chautauqua County/Dunkirk |
| Duluth International (DLH) | Duluth | MN | Knoxville Downtown Island to Duluth International |
| Dillon County Airport (DLL) | Dillon | SD | Knoxville Downtown Island to Dillon County Airport |
| Sedalia Regional (DMO) | Sedalia | MO | Knoxville Downtown Island to Sedalia Regional |
| Daniel Field (DNL) | Augusta | GA | Knoxville Downtown Island to Daniel Field |
| Dalton Municipal (DNN) | Dalton | GA | Knoxville Downtown Island to Dalton Municipal |
| Denison Municipal (DNS) | Denison | IA | Knoxville Downtown Island to Denison Municipal |
| Vermilion Regional (DNV) | Danville | IL | Knoxville Downtown Island to Vermilion Regional |
| Dover AFB (DOV) | Dover | DE | Knoxville Downtown Island to Dover AFB |
| Dupage (DPA) | Chicago | IL | Knoxville Downtown Island to Dupage |
| Drummond Island (DRE) | Drummond Island | MI | Knoxville Downtown Island to Drummond Island |
| Beauregard Regional (DRI) | De Ridder | LA | Knoxville Downtown Island to Beauregard Regional |
| Del Rio International (DRT) | Del Rio | TX | Knoxville Downtown Island to Del Rio International |
| Destin Executive (DSI) | Destin | FL | Knoxville Downtown Island to Destin Executive |
| Des Moines International (DSM) | Des Moines | IA | Knoxville Downtown Island to Des Moines International |
| Dansville Municipal (DSV) | Dansville | NY | Knoxville Downtown Island to Dansville Municipal |
| Detroit Lakes-Wething Field (DTL) | Detroit Lakes | MN | Knoxville Downtown Island to Detroit Lakes-Wething Field |
| Shreveport Downtown (DTN) | Shreveport | LA | Knoxville Downtown Island to Shreveport Downtown |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Knoxville Downtown Island to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | Knoxville Downtown Island to Dunnville |
| Durant Regional - Eaker Field (DUA) | Durant | OK | Knoxville Downtown Island to Durant Regional - Eaker Field |
| Halliburton Field (DUC) | Duncan | OK | Knoxville Downtown Island to Halliburton Field |
| Dubois Regional (DUJ) | DuBois | PA | Knoxville Downtown Island to Dubois Regional |
| Devils Lake Regional (DVL) | Devils Lake | ND | Knoxville Downtown Island to Devils Lake Regional |
| Davenport Municipal (DVN) | Davenport | IA | Knoxville Downtown Island to Davenport Municipal |
| David Wayne Hooks Memorial (DWH) | Houston | TX | Knoxville Downtown Island to David Wayne Hooks Memorial |
| Danbury Municipal (DXR) | Danbury | CT | Knoxville Downtown Island to Danbury Municipal |
| Doylestown (DYL) | Doylestown | PA | Knoxville Downtown Island to Doylestown |
| Kearney Regional (EAR) | Kearney | NE | Knoxville Downtown Island to Kearney Regional |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | Knoxville Downtown Island to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | Knoxville Downtown Island to Webster City Municipal |
| Iosco County (ECA) | East Tawas | MI | Knoxville Downtown Island to Iosco County |
| Elizabeth City Regional & Coast Guard Station (ECG) | Elizabeth City | NC | Knoxville Downtown Island to Elizabeth City Regional & Coast Guard Station |
| Northwest Florida Beaches International (ECP) | Panama City | FL | Knoxville Downtown Island to Northwest Florida Beaches International |
| Northeastern Regional (EDE) | Edenton | NC | Knoxville Downtown Island to Northeastern Regional |
| El Dorado/Captain Jack Thomas Memorial (EDK) | El Dorado | KS | Knoxville Downtown Island to El Dorado/Captain Jack Thomas Memorial |
| Dilliant-Hopkins (EEN) | Keene | NH | Knoxville Downtown Island to Dilliant-Hopkins |
| Ellington (EFD) | Houston | TX | Knoxville Downtown Island to Ellington |
| Northeast Kingdom International (EFK) | Newport | VT | Knoxville Downtown Island to Northeast Kingdom International |
| Jefferson Municipal (EFW) | Jefferson | IA | Knoxville Downtown Island to Jefferson Municipal |
| Maverick County Memorial International (EGP) | Eagle Pass | TX | Knoxville Downtown Island to Maverick County Memorial International |
| Eagle River Union (EGV) | Eagle River | WI | Knoxville Downtown Island to Eagle River Union |
| Elkhart Municipal (EKI) | Elkhart | IN | Knoxville Downtown Island to Elkhart Municipal |
| Elkins/Randolph County (EKN) | Elkins | WV | Knoxville Downtown Island to Elkins/Randolph County |
| Addington Field (EKX) | Elizabethtown | KY | Knoxville Downtown Island to Addington Field |
| Eagle Lake (ELA) | Eagle Lake | TX | Knoxville Downtown Island to Eagle Lake |
| South Arkansas Regional at Goodwin Field (ELD) | El Dorado | AR | Knoxville Downtown Island to South Arkansas Regional at Goodwin Field |
| North Eleuthera (ELH) | Eleuthera Island | | Knoxville Downtown Island to North Eleuthera |
| Elk City Regional Business (ELK) | Elk City | OK | Knoxville Downtown Island to Elk City Regional Business |
| Elmira/Corning Regional (ELM) | Elmira | NY | Knoxville Downtown Island to Elmira/Corning Regional |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Knoxville Downtown Island to Wellsville Municipal/Tarantine Field |
| Emporia Municipal (EMP) | Emporia | KS | Knoxville Downtown Island to Emporia Municipal |
| Centralia Municipal (ENL) | Centralia | IL | Knoxville Downtown Island to Centralia Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Knoxville Downtown Island to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | Knoxville Downtown Island to Keokuk Municipal |
| Neosho Hugh Robinson (EOS) | Neosho | MO | Knoxville Downtown Island to Neosho Hugh Robinson |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Knoxville Downtown Island to Erie International/Tom Ridge Field |
| Kerrville Municipal/Louis Schreiner Field (ERV) | Kerrville | TX | Knoxville Downtown Island to Kerrville Municipal/Louis Schreiner Field |
| Delta County (ESC) | Escanaba | MI | Knoxville Downtown Island to Delta County |
| Esler Regional (ESF) | Alexandria | LA | Knoxville Downtown Island to Esler Regional |
| Easton/Newnam Field (ESN) | Easton | MD | Knoxville Downtown Island to Easton/Newnam Field |
| Stroudsburg-Pocono (ESP) | East Stroudsburg | PA | Knoxville Downtown Island to Stroudsburg-Pocono |
| Estherville Municipal (EST) | Estherville | IA | Knoxville Downtown Island to Estherville Municipal |
| West Bend Municipal (ETB) | West Bend | WI | Knoxville Downtown Island to West Bend Municipal |
| Eastland Municipal (ETN) | Eastland | TX | Knoxville Downtown Island to Eastland Municipal |
| Enterprise Municipal (ETS) | Enterprise | AL | Knoxville Downtown Island to Enterprise Municipal |
| Weedon Field (EUF) | Eufaula | AL | Knoxville Downtown Island to Weedon Field |
| Eveleth-Virginia Municipal (EVM) | Eveleth | MN | Knoxville Downtown Island to Eveleth-Virginia Municipal |
| Evansville Regional (EVV) | Evansville | IN | Knoxville Downtown Island to Evansville Regional |
| New Bedford Regional (EWB) | New Bedford | MA | Knoxville Downtown Island to New Bedford Regional |
| Newton City County (EWK) | Newton | KS | Knoxville Downtown Island to Newton City County |
| Coastal Carolina Regional (EWN) | New Bern | NC | Knoxville Downtown Island to Coastal Carolina Regional |
| Newark Liberty International (EWR) | Newark | NJ | Knoxville Downtown Island to Newark Liberty International |
| Key West International (EYW) | Key West | FL | Knoxville Downtown Island to Key West International |
| Farmington Regional (FAM) | Farmington | MO | Knoxville Downtown Island to Farmington Regional |
| Hector International Fargo (FAR) | Fargo | ND | Knoxville Downtown Island to Hector International Fargo |
| Fayetteville Regional/Grannis Field (FAY) | Fayetteville | NC | Knoxville Downtown Island to Fayetteville Regional/Grannis Field |
| Faribault Municipal (FBL) | Faribault | MN | Knoxville Downtown Island to Faribault Municipal |
| Fairbury Municipal (FBY) | Fairbury | NE | Knoxville Downtown Island to Fairbury Municipal |
| Flying Cloud (FCM) | Minneapolis | MN | Knoxville Downtown Island to Flying Cloud |
| Forrest City Municipal (FCY) | Forrest City | AR | Knoxville Downtown Island to Forrest City Municipal |
| Frederick Municipal (FDK) | Frederick | MD | Knoxville Downtown Island to Frederick Municipal |
| Frederick Regional (FDR) | Frederick | OK | Knoxville Downtown Island to Frederick Regional |
| Findlay (FDY) | Findlay | OH | Knoxville Downtown Island to Findlay |
| Albertus (FEP) | Freeport | IL | Knoxville Downtown Island to Albertus |
| Fremont Municipal (FET) | Fremont | NE | Knoxville Downtown Island to Fremont Municipal |
| First Flight (FFA) | Kill Devil Hills | NC | Knoxville Downtown Island to First Flight |
| Fairfield Municipal (FFL) | Fairfield | IA | Knoxville Downtown Island to Fairfield Municipal |
| Fergus Falls Municipal-Einar Mickelson Field (FFM) | Fergus Falls | MN | Knoxville Downtown Island to Fergus Falls Municipal-Einar Mickelson Field |
| Capital City (FFT) | Frankfort | KY | Knoxville Downtown Island to Capital City |
| Venango Regional (FKL) | Franklin | PA | Knoxville Downtown Island to Venango Regional |
| Franklin Municipal-John Beverly Rose (FKN) | Franklin | VA | Knoxville Downtown Island to Franklin Municipal-John Beverly Rose |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | Knoxville Downtown Island to Fond Du Lac County |
| Fort Lauderdale Hollywood International (FLL) | Fort Lauderdale | FL | Knoxville Downtown Island to Fort Lauderdale Hollywood International |
| Florence Regional (FLO) | Florence | SC | Knoxville Downtown Island to Florence Regional |
| Marion County Regional (FLP) | Flippin | AR | Knoxville Downtown Island to Marion County Regional |
| Sherman Army Airfield (FLV) | Fort Leavenworth | KS | Knoxville Downtown Island to Sherman Army Airfield |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Knoxville Downtown Island to Fort Meade (Odenton) Tipton |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Knoxville Downtown Island to Fort Madison Municipal |
| Page Field (FMY) | Fort Myers | FL | Knoxville Downtown Island to Page Field |
| Bishop International (FNT) | Flint | MI | Knoxville Downtown Island to Bishop International |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | Knoxville Downtown Island to Fort Dodge Regional |
| Topeka Regional (FOE) | Topeka | KS | Knoxville Downtown Island to Topeka Regional |
| Francis S Gabreski (FOK) | Westhampton Beach | NY | Knoxville Downtown Island to Francis S Gabreski |
| Grand Bahama International (FPO) | Freeport | | Knoxville Downtown Island to Grand Bahama International |
| Treasure Coast International (FPR) | Fort Pierce | FL | Knoxville Downtown Island to Treasure Coast International |
| Perry-Foley (FPY) | Perry | FL | Knoxville Downtown Island to Perry-Foley |
| Republic Long Island (FRG) | Farmingdale | NY | Knoxville Downtown Island to Republic Long Island |
| French Lick Municipal (FRH) | French Lick | IN | Knoxville Downtown Island to French Lick Municipal |
| Fairmont Municipal (FRM) | Fairmont | MN | Knoxville Downtown Island to Fairmont Municipal |
| Front Royal-Warren County (FRR) | Front Royal | VA | Knoxville Downtown Island to Front Royal-Warren County |
| Eastern Slopes Regional (FRY) | Fryeburg | ME | Knoxville Downtown Island to Eastern Slopes Regional |
| Sioux Falls Regional, Joe Foss Field (FSD) | Sioux Falls | SD | Knoxville Downtown Island to Sioux Falls Regional, Joe Foss Field |
| Fort Scott Municipal (FSK) | Fort Scott | KS | Knoxville Downtown Island to Fort Scott Municipal |
| Fort Smith Regional (FSM) | Fort Smith | AR | Knoxville Downtown Island to Fort Smith Regional |
| Fort Stockton-Pecos County (FST) | Fort Stockton | TX | Knoxville Downtown Island to Fort Stockton-Pecos County |
| Fort Sumner Municipal (FSU) | Fort Sumner | NM | Knoxville Downtown Island to Fort Sumner Municipal |
| Fort Worth Meacham International (FTW) | Fort Worth | TX | Knoxville Downtown Island to Fort Worth Meacham International |
| Fulton County/Brown Field (FTY) | Atlanta | GA | Knoxville Downtown Island to Fulton County/Brown Field |
| Fort Wayne International (FWA) | Fort Wayne | IN | Knoxville Downtown Island to Fort Wayne International |
| Branson West Municipal - Emerson Field (FWB) | Branson West | MO | Knoxville Downtown Island to Branson West Municipal - Emerson Field |
| Fort Lauderdale Executive (FXE) | Fort Lauderdale | FL | Knoxville Downtown Island to Fort Lauderdale Executive |
| Forest City Municipal (FXY) | Forest City | IA | Knoxville Downtown Island to Forest City Municipal |
| Fayetteville Municipal (FYM) | Fayetteville | TN | Knoxville Downtown Island to Fayetteville Municipal |
| Drake Field (FYV) | Fayetteville | AR | Knoxville Downtown Island to Drake Field |
| Northeast Alabama Regional (GAD) | Gadsden | AL | Knoxville Downtown Island to Northeast Alabama Regional |
| Gage (GAG) | Gage | OK | Knoxville Downtown Island to Gage |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Knoxville Downtown Island to Montgomery County Airpark |
| Great Bend Municipal (GBD) | Great Bend | KS | Knoxville Downtown Island to Great Bend Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Knoxville Downtown Island to Galesburg Municipal |
| Garden City Regional (GCK) | Garden City | KS | Knoxville Downtown Island to Garden City Regional |
| Donaldson Field (GDC) | Greenville | SC | Knoxville Downtown Island to Donaldson Field |
| Gardner Municipal (GDM) | Gardner | MA | Knoxville Downtown Island to Gardner Municipal |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Knoxville Downtown Island to Gladwin Zettel Memorial |
| Delaware Coastal (GED) | Georgetown | DE | Knoxville Downtown Island to Delaware Coastal |
| Grand Forks International (GFK) | Grand Forks | ND | Knoxville Downtown Island to Grand Forks International |
| Floyd Bennett Memorial (GFL) | Glens Falls | NY | Knoxville Downtown Island to Floyd Bennett Memorial |
| Georgetown County (GGE) | Georgetown | SC | Knoxville Downtown Island to Georgetown County |
| East Texas Regional (GGG) | Longview | TX | Knoxville Downtown Island to East Texas Regional |
| Exuma International (GGT) | Exuma Islands | | Knoxville Downtown Island to Exuma International |
| Eleuthera Island/Governors Harbour Intl (GHB) | Eleuthera Island | | Knoxville Downtown Island to Eleuthera Island/Governors Harbour Intl |
| Great Harbour Cay (GHC) | Berry Islands | | Knoxville Downtown Island to Great Harbour Cay |
| Centerville Municipal (GHM) | Centerville | TN | Knoxville Downtown Island to Centerville Municipal |
| Winter Haven Regional (GIF) | Winter Haven | FL | Knoxville Downtown Island to Winter Haven Regional |
| Renner Field/Goodland Municipal (GLD) | Goodland | KS | Knoxville Downtown Island to Renner Field/Goodland Municipal |
| Gainesville Municipal (GLE) | Gainesville | TX | Knoxville Downtown Island to Gainesville Municipal |
| Greenville Mid-Delta (GLH) | Greenville | MS | Knoxville Downtown Island to Greenville Mid-Delta |
| Gaylord Regional (GLR) | Gaylord | MI | Knoxville Downtown Island to Gaylord Regional |
| Scholes International at Galveston (GLS) | Galveston | TX | Knoxville Downtown Island to Scholes International at Galveston |
| Glasgow Municipal (GLW) | Glasgow | KY | Knoxville Downtown Island to Glasgow Municipal |
| Greenville Downtown (GMU) | Greenville | SC | Knoxville Downtown Island to Greenville Downtown |
| Gainesville Regional (GNV) | Gainesville | FL | Knoxville Downtown Island to Gainesville Regional |
| Guthrie-Edmond Regional (GOK) | Guthrie | OK | Knoxville Downtown Island to Guthrie-Edmond Regional |
| Groton New London (GON) | Groton New London | CT | Knoxville Downtown Island to Groton New London |
| Gulfport-Biloxi International (GPT) | Gulfport | MS | Knoxville Downtown Island to Gulfport-Biloxi International |
| Grand Rapids/Itasca County-Gordon Newstrom Field (GPZ) | Grand Rapids | MN | Knoxville Downtown Island to Grand Rapids/Itasca County-Gordon Newstrom Field |
| Galion Municipal (GQQ) | Galion | OH | Knoxville Downtown Island to Galion Municipal |
| Austin Straubel International (GRB) | Green Bay | WI | Knoxville Downtown Island to Austin Straubel International |
| Greenwood County (GRD) | Greenwood | SC | Knoxville Downtown Island to Greenwood County |
| Greenville (GRE) | Greenville | IL | Knoxville Downtown Island to Greenville |
| Central Nebraska Regional (GRI) | Grand Island | NE | Knoxville Downtown Island to Central Nebraska Regional |
| Killeen/Fort Hood Regional/Robert Gray AAF (GRK) | Killeen | TX | Knoxville Downtown Island to Killeen/Fort Hood Regional/Robert Gray AAF |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | Knoxville Downtown Island to Grand Marais/Cook County |
| Gordon Municipal (GRN) | Gordon | NE | Knoxville Downtown Island to Gordon Municipal |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Knoxville Downtown Island to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Knoxville Downtown Island to Goshen Municipal |
| Piedmont Triad International (GSO) | Greensboro | NC | Knoxville Downtown Island to Piedmont Triad International |
| Greenville Spartanburg International (GSP) | Greer | SC | Knoxville Downtown Island to Greenville Spartanburg International |
| Golden Triangle Regional (GTR) | Columbus | MS | Knoxville Downtown Island to Golden Triangle Regional |
| Gettysburg Regional (GTY) | Gettysburg | PA | Knoxville Downtown Island to Gettysburg Regional |
| Jack Edwards National (GUF) | Gulf Shores | AL | Knoxville Downtown Island to Jack Edwards National |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Knoxville Downtown Island to Grissom Aeroplex/Arb |
| Guymon Municipal (GUY) | Guymon | OK | Knoxville Downtown Island to Guymon Municipal |
| Lee Gilmer Memorial (GVL) | Gainesville | GA | Knoxville Downtown Island to Lee Gilmer Memorial |
| Majors (GVT) | Greenville | TX | Knoxville Downtown Island to Majors |
| Greenwood Leflore (GWO) | Greenwood | MS | Knoxville Downtown Island to Greenwood Leflore |
| Gary/Chicago International (GYY) | GARY | IN | Knoxville Downtown Island to Gary/Chicago International |
| Marion County-Rankin Fite (HAB) | Hamilton | AL | Knoxville Downtown Island to Marion County-Rankin Fite |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Knoxville Downtown Island to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Knoxville Downtown Island to Butler County Regional-Hogan Field |
| Capital City Harrisburg (HAR) | Harrisburg | PA | Knoxville Downtown Island to Capital City Harrisburg |
| Hattiesburg Bobby L Chain Municipal (HBG) | Hattiesburg | MS | Knoxville Downtown Island to Hattiesburg Bobby L Chain Municipal |
| Hobart Regional (HBR) | Hobart | OK | Knoxville Downtown Island to Hobart Regional |
| Big Spring Mc Mahon-Wrinkle (HCA) | Big Spring | TX | Knoxville Downtown Island to Big Spring Mc Mahon-Wrinkle |
| Columbia County (HCC) | Hudson | NY | Knoxville Downtown Island to Columbia County |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | Knoxville Downtown Island to Cheraw Municipal/Lynch Bellinger Field |
| Brewster Field (HDE) | Holdrege | NE | Knoxville Downtown Island to Brewster Field |
| Thompson-Robbins (HEE) | Helena/West Helena | AR | Knoxville Downtown Island to Thompson-Robbins |
| Manassas Regional/Harry P Davis Field (HEF) | Manassas | VA | Knoxville Downtown Island to Manassas Regional/Harry P Davis Field |
| Natchez-Adams County (Hardy-Anders Field) (HEZ) | Natchez | MS | Knoxville Downtown Island to Natchez-Adams County (Hardy-Anders Field) |
| Hartford/Brainard (HFD) | Hartford | CT | Knoxville Downtown Island to Hartford/Brainard |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Knoxville Downtown Island to Richard A Henson Field/Hagerstown Regional |
| Hilton Head (HHH) | Hilton Head Island | SC | Knoxville Downtown Island to Hilton Head |
| Range Regional (HIB) | Hibbing | MN | Knoxville Downtown Island to Range Regional |
| Mount Washington Regional (HIE) | Whitefield | NH | Knoxville Downtown Island to Mount Washington Regional |
| Blytheville Municipal (HKA) | Blytheville | AR | Knoxville Downtown Island to Blytheville Municipal |
| Hawkins Field (HKS) | Jackson | MS | Knoxville Downtown Island to Hawkins Field |
| Hickory Regional (HKY) | Hickory | NC | Knoxville Downtown Island to Hickory Regional |
| Hill City Municipal (HLC) | Hill City | KS | Knoxville Downtown Island to Hill City Municipal |
| Wheeling Ohio County (HLG) | Wheeling | WV | Knoxville Downtown Island to Wheeling Ohio County |
| Park Township (HLM) | Holland | MI | Knoxville Downtown Island to Park Township |
| Huntingburg (HNB) | Huntingburg | IN | Knoxville Downtown Island to Huntingburg |
| Billy Mitchell (HNC) | Hatteras | NC | Knoxville Downtown Island to Billy Mitchell |
| Hobbs/Lea County Regional (HOB) | Hobbs | NM | Knoxville Downtown Island to Hobbs/Lea County Regional |
| Huron Regional (HON) | Huron | SD | Knoxville Downtown Island to Huron Regional |
| Memorial Field (HOT) | Hot Springs | AR | Knoxville Downtown Island to Memorial Field |
| William P Hobby (HOU) | Houston | TX | Knoxville Downtown Island to William P Hobby |
| Westchester County (HPN) | White Plains | NY | Knoxville Downtown Island to Westchester County |
| Hampton Municipal (HPT) | Hampton | IA | Knoxville Downtown Island to Hampton Municipal |
| Baytown (HPY) | Houston | TX | Knoxville Downtown Island to Baytown |
| Valley International (HRL) | Harlingen | TX | Knoxville Downtown Island to Valley International |
| Boone County Regional (HRO) | Harrison | AR | Knoxville Downtown Island to Boone County Regional |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | Knoxville Downtown Island to Harrisburg-Raleigh |
| Hastings Municipal (HSI) | Hastings | NE | Knoxville Downtown Island to Hastings Municipal |
| Ingalls Field (HSP) | Hot Springs | VA | Knoxville Downtown Island to Ingalls Field |
| Huntsville International/Carl T Jones Field (HSV) | Huntsville | AL | Knoxville Downtown Island to Huntsville International/Carl T Jones Field |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Knoxville Downtown Island to Roscommon County - Blodgett Memorial |
| East Hampton (JPX) | East Hampton | NY | Knoxville Downtown Island to East Hampton |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Knoxville Downtown Island to Tri-State Milton J Ferguson Field |
| Huntsville Municipal (HTV) | Huntsville | TX | Knoxville Downtown Island to Huntsville Municipal |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Knoxville Downtown Island to Lawrence County Airpark |
| Humboldt Municipal (HUD) | Humboldt | IA | Knoxville Downtown Island to Humboldt Municipal |
| Terre Haute Regional (HUF) | Terre Haute | IN | Knoxville Downtown Island to Terre Haute Regional |
| Stan Stamper Municipal (HUJ) | Hugo | OK | Knoxville Downtown Island to Stan Stamper Municipal |
| Houlton International (HUL) | Houlton | ME | Knoxville Downtown Island to Houlton International |
| Houma-Terrebonne (HUM) | Houma | LA | Knoxville Downtown Island to Houma-Terrebonne |
| Hutchinson Regional (HUT) | Hutchinson | KS | Knoxville Downtown Island to Hutchinson Regional |
| Tweed/New Haven (HVN) | New Haven | CT | Knoxville Downtown Island to Tweed/New Haven |
| Hartsville Regional (HVS) | Hartsville | SC | Knoxville Downtown Island to Hartsville Regional |
| North Perry (HWO) | Hollywood | FL | Knoxville Downtown Island to North Perry |
| Barnstable Municipal/Boardman-Polando Field (HYA) | Hyannis | MA | Knoxville Downtown Island to Barnstable Municipal/Boardman-Polando Field |
| San Marcos Regional (HYI) | San Marcos | TX | Knoxville Downtown Island to San Marcos Regional |
| Sawyer County (HYR) | Hayward | WI | Knoxville Downtown Island to Sawyer County |
| Hays Regional (HYS) | Hays | KS | Knoxville Downtown Island to Hays Regional |
| Hazleton Regional (HZL) | Hazleton | PA | Knoxville Downtown Island to Hazleton Regional |
| Washington Dulles International (IAD) | Washington | VA | Knoxville Downtown Island to Washington Dulles International |
| Niagara Falls International (IAG) | Niagara Falls | NY | Knoxville Downtown Island to Niagara Falls International |
| George Bush Intercontinental Houston (IAH) | Houston | TX | Knoxville Downtown Island to George Bush Intercontinental Houston |
| Schenck Field (ICL) | Clarinda | IA | Knoxville Downtown Island to Schenck Field |
| Wichita Eisenhower National (ICT) | Wichita | KS | Knoxville Downtown Island to Wichita Eisenhower National |
| Ida Grove Municipal (IDG) | Ida Grove | IA | Knoxville Downtown Island to Ida Grove Municipal |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Knoxville Downtown Island to Indiana County/Jimmy Stewart Field |
| Independence Municipal (IDP) | Independence | KS | Knoxville Downtown Island to Independence Municipal |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Knoxville Downtown Island to Iowa Falls Municipal |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Knoxville Downtown Island to Jacksonville Municipal |
| Wilkes County (IKB) | N Wilkesboro | NC | Knoxville Downtown Island to Wilkes County |
| Greater Kankakee (IKK) | Kankakee | IL | Knoxville Downtown Island to Greater Kankakee |
| Skylark Field Killeen (ILE) | Killeen | TX | Knoxville Downtown Island to Skylark Field Killeen |
| Wilmington/New Castle (ILG) | Wilmington | DE | Knoxville Downtown Island to Wilmington/New Castle |
| Willmar Municipal/John L Rice Field (ILL) | Willmar | MN | Knoxville Downtown Island to Willmar Municipal/John L Rice Field |
| Wilmington International (ILM) | Wilmington | NC | Knoxville Downtown Island to Wilmington International |
| Wilmington Airpark (ILN) | Wilmington | OH | Knoxville Downtown Island to Wilmington Airpark |
| Imperial Municipal (IML) | Imperial | NE | Knoxville Downtown Island to Imperial Municipal |
| Immokalee Regional (IMM) | Immokalee | FL | Knoxville Downtown Island to Immokalee Regional |
| Ford (IMT) | Iron Mountain | MI | Knoxville Downtown Island to Ford |
| Indianapolis International (IND) | Indianapolis | IN | Knoxville Downtown Island to Indianapolis International |
| Winkler County (INK) | Wink | TX | Knoxville Downtown Island to Winkler County |
| Falls Intl-Einarson Field (INL) | International Falls | MN | Knoxville Downtown Island to Falls Intl-Einarson Field |
| Smith Reynolds (INT) | Winston-Salem | NC | Knoxville Downtown Island to Smith Reynolds |
| Iowa City Municipal (IOW) | Iowa City | IA | Knoxville Downtown Island to Iowa City Municipal |
| Williamsport Regional (IPT) | Williamsport | PA | Knoxville Downtown Island to Williamsport Regional |
| Iraan Municipal (IRB) | Iraan | TX | Knoxville Downtown Island to Iraan Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Knoxville Downtown Island to Kirksville Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Knoxville Downtown Island to Kirsch Municipal |
| Isla Mujeres (ISJ) | Isla Mujeres | Qui | Knoxville Downtown Island to Isla Mujeres |
| Kissimmee Gateway (ISM) | Orlando | FL | Knoxville Downtown Island to Kissimmee Gateway |
| Kinston Regional Jetport Stallings Field (ISO) | Kinston | NC | Knoxville Downtown Island to Kinston Regional Jetport Stallings Field |
| Long Island Macarthur (ISP) | Islip | NY | Knoxville Downtown Island to Long Island Macarthur |
| Schoolcraft County (ISQ) | Manistique | MI | Knoxville Downtown Island to Schoolcraft County |
| Wiscasset (ISS) | Wiscasset | ME | Knoxville Downtown Island to Wiscasset |
| Alexander Field South Wood County (ISW) | Wisconsin Rapids | WI | Knoxville Downtown Island to Alexander Field South Wood County |
| Ithaca Tompkins Regional (ITH) | Ithaca | NY | Knoxville Downtown Island to Ithaca Tompkins Regional |
| Gogebic-Iron County (IWD) | Ironwood | MI | Knoxville Downtown Island to Gogebic-Iron County |
| West Houston (IWS) | Houston | TX | Knoxville Downtown Island to West Houston |
| Jackson/Evers International (JAN) | Jackson | MS | Knoxville Downtown Island to Jackson/Evers International |
| Jasper County-Bell Field (JAS) | Jasper | TX | Knoxville Downtown Island to Jasper County-Bell Field |
| Jacksonville International (JAX) | Jacksonville | FL | Knoxville Downtown Island to Jacksonville International |
| Jonesboro Municipal (JBR) | Jonesboro | AR | Knoxville Downtown Island to Jonesboro Municipal |
| New Century Aircenter (JCI) | Olathe | KS | Knoxville Downtown Island to New Century Aircenter |
| Kimble County (JCT) | Junction | TX | Knoxville Downtown Island to Kimble County |
| Jefferson City Memorial (JEF) | Jefferson City | MO | Knoxville Downtown Island to Jefferson City Memorial |
| John Murtha Johnstown/Cambria County (JST) | Johnstown | PA | Knoxville Downtown Island to John Murtha Johnstown/Cambria County |
| Central Jersey Regional (JVI) | Manville | NJ | Knoxville Downtown Island to Central Jersey Regional |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Knoxville Downtown Island to Souther Wisconsin Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Knoxville Downtown Island to Jackson County/Reynolds Field |
| Williams County (K0G6) | Bryan | OH | Knoxville Downtown Island to Williams County |
| Finger Lakes Regional (K0G7) | Seneca Falls | NY | Knoxville Downtown Island to Finger Lakes Regional |
| Brenham Municipal (K11) | Brenham | TX | Knoxville Downtown Island to Brenham Municipal |
| Camden County (K19N) | Berlin | NJ | Knoxville Downtown Island to Camden County |
| Mansfield Municipal (K1B9) | Mansfield | MA | Knoxville Downtown Island to Mansfield Municipal |
| Wood County Regional (K1G0) | Bowling Green | OH | Knoxville Downtown Island to Wood County Regional |
| Kent State University (K1G3) | Kent | OH | Knoxville Downtown Island to Kent State University |
| Medina Municipal (K1G5) | Medina | OH | Knoxville Downtown Island to Medina Municipal |
| Creve Coeur (K1H0) | St Louis | MO | Knoxville Downtown Island to Creve Coeur |
| Effingham County Memorial (K1H2) | Effingham | IL | Knoxville Downtown Island to Effingham County Memorial |
| Kingston-Ulster (K20N) | Kingston | NY | Knoxville Downtown Island to Kingston-Ulster |
| Ocean City Municipal (K26N) | Ocean City | NJ | Knoxville Downtown Island to Ocean City Municipal |
| Shelby County (K2H0) | Shelbyville | IL | Knoxville Downtown Island to Shelby County |
| Maryland (K2W5) | Indian Head | MD | Knoxville Downtown Island to Maryland |
| Eagles Nest (K31E) | West Creek | NJ | Knoxville Downtown Island to Eagles Nest |
| Delaware Airpark (K33N) | Dover/Cheswold | DE | Knoxville Downtown Island to Delaware Airpark |
| Lake In The Hills (K3CK) | Chicago | IL | Knoxville Downtown Island to Lake In The Hills |
| Greene County Regional (K3J7) | Greensboro | GA | Knoxville Downtown Island to Greene County Regional |
| Mount Hawley Auxiliary (K3MY) | Peoria | IL | Knoxville Downtown Island to Mount Hawley Auxiliary |
| Old Bridge (K3N6) | Old Bridge | NJ | Knoxville Downtown Island to Old Bridge |
| Scottsboro Municipal-Word Field (K4A6) | Scottsboro | AL | Knoxville Downtown Island to Scottsboro Municipal-Word Field |
| Ticonderoga Municipal (K4B6) | Ticonderoga | NY | Knoxville Downtown Island to Ticonderoga Municipal |
| Youngstown Elser Metro (K4G4) | Youngstown | OH | Knoxville Downtown Island to Youngstown Elser Metro |
| Saratoga County (K5B2) | Saratoga Springs | NY | Knoxville Downtown Island to Saratoga County |
| Odell Williamson Municipal (K60J) | Ocean Isle Beach | NC | Knoxville Downtown Island to Odell Williamson Municipal |
| Skaneateles (K6B9) | Skaneateles | NY | Knoxville Downtown Island to Skaneateles |
| Northampton (K7B2) | Northampton | MA | Knoxville Downtown Island to Northampton |
| Skylark Airpark (K7B6) | Warehouse Point | CT | Knoxville Downtown Island to Skylark Airpark |
| Bearce (K7M3) | Mount Ida | AR | Knoxville Downtown Island to Bearce |
| Ferguson Airport (K82J) | Pensacola | FL | Knoxville Downtown Island to Ferguson Airport |
| Spicewood (K88R) | Spicewood | TX | Knoxville Downtown Island to Spicewood |
| Paul C. Miller-Sparta (K8D4) | Sparta | MI | Knoxville Downtown Island to Paul C. Miller-Sparta |
| Wichita Col James Jabara (KAAO) | Wichita | KS | Knoxville Downtown Island to Wichita Col James Jabara |
| Anoka County-Blaine (Janes Field) (KANE) | Minneapolis | MN | Knoxville Downtown Island to Anoka County-Blaine (Janes Field) |
| Slidell (KASD) | Slidell | LA | Knoxville Downtown Island to Slidell |
| Biddeford Municipal (KB19) | Biddeford | ME | Knoxville Downtown Island to Biddeford Municipal |
| Huron County Memorial (KBAX) | Bad Axe | MI | Knoxville Downtown Island to Huron County Memorial |
| Brooksville-Tampa Bay Regional (KBKV) | Brooksville | FL | Knoxville Downtown Island to Brooksville-Tampa Bay Regional |
| Buffalo-Lancaster Regional (KBQR) | Lancaster | NY | Knoxville Downtown Island to Buffalo-Lancaster Regional |
| Belfast Municipal (KBST) | Belfast | ME | Knoxville Downtown Island to Belfast Municipal |
| Burlington Municipal (KBUU) | Burlington | WI | Knoxville Downtown Island to Burlington Municipal |
| Burlington-Alamance Regional (KBUY) | Burlington | NC | Knoxville Downtown Island to Burlington-Alamance Regional |
| Newnan Coweta County (KCCO) | Atlanta | GA | Knoxville Downtown Island to Newnan Coweta County |
| Cambridge Municipal (KCDI) | Cambridge | OH | Knoxville Downtown Island to Cambridge Municipal |
| Crystal River (KCGC) | Crystal River | FL | Knoxville Downtown Island to Crystal River |
| Pennridge (KCKZ) | Perkasie | PA | Knoxville Downtown Island to Pennridge |
| Cherokee County Regional (KCNI) | Canton | GA | Knoxville Downtown Island to Cherokee County Regional |
| Chesapeake Regional (KCPK) | Norfolk | VA | Knoxville Downtown Island to Chesapeake Regional |
| Chatham Municipal (KCQX) | Chatham | MA | Knoxville Downtown Island to Chatham Municipal |
| West Georgia Regional - O V Gray Field (KCTJ) | Carrollton | GA | Knoxville Downtown Island to West Georgia Regional - O V Gray Field |
| Charlevoix Municipal (KCVX) | Charlevoix | MI | Knoxville Downtown Island to Charlevoix Municipal |
| Manitowish Waters (KD25) | Manitowish Waters | WI | Knoxville Downtown Island to Manitowish Waters |
| Skyhaven (KDAW) | Rochester | NH | Knoxville Downtown Island to Skyhaven |
| Chester Catawba Regional (KDCM) | Chester | SC | Knoxville Downtown Island to Chester Catawba Regional |
| Bennington/William H. Morse State (KDDH) | Bennington | VT | Knoxville Downtown Island to Bennington/William H. Morse State |
| Carroll County Regional/Jack B Poage Field (KDMW) | Westminster | MD | Knoxville Downtown Island to Carroll County Regional/Jack B Poage Field |
| Kenansville/Duplin County (KDPL) | Kenansville | NC | Knoxville Downtown Island to Kenansville/Duplin County |
| Toledo Suburban (KDUH) | Lambertville | MI | Knoxville Downtown Island to Toledo Suburban |
| Horseshoe Bay Resort (KDZB) | Austin | TX | Knoxville Downtown Island to Horseshoe Bay Resort |
| Austin Executive (KEDC) | Austin | TX | Knoxville Downtown Island to Austin Executive |
| Mitchell Field Bessemer (KEKY) | Bessemer | AL | Knoxville Downtown Island to Mitchell Field Bessemer |
| Davidson County (KEXX) | Lexington | NC | Knoxville Downtown Island to Davidson County |
| Eagle Creek Airpark (KEYE) | Indianapolis | IN | Knoxville Downtown Island to Eagle Creek Airpark |
| Kewanee Municipal (KEZI) | Kewanee | IL | Knoxville Downtown Island to Kewanee Municipal |
| Williamsburg-Jamestown (KJGG) | Williamsburg | VA | Knoxville Downtown Island to Williamsburg-Jamestown |
| John C Tune (KJWN) | Nashville | TN | Knoxville Downtown Island to John C Tune |
| Leesburg Executive (KJYO) | Leesburg | VA | Knoxville Downtown Island to Leesburg Executive |
| Charleston Executive (KJZI) | Charleston | SC | Knoxville Downtown Island to Charleston Executive |
| Gene Snyder (KK62) | Falmouth | KY | Knoxville Downtown Island to Gene Snyder |
| Kentland Municipal (KKT) | Kentland | IN | Knoxville Downtown Island to Kentland Municipal |
| Lancaster Regional (KLNC) | Lancaster | TX | Knoxville Downtown Island to Lancaster Regional |
| Mt Pleasant Regional-Faison Field (KLRO) | Mount Pleasant | SC | Knoxville Downtown Island to Mt Pleasant Regional-Faison Field |
| South Haven Area Regional (KLWA) | South Haven | MI | Knoxville Downtown Island to South Haven Area Regional |
| Lee's Summit Municipal (KLXT) | Lee's Summit | MO | Knoxville Downtown Island to Lee's Summit Municipal |
| General Dewitt Spain (KM01) | Memphis | TN | Knoxville Downtown Island to General Dewitt Spain |
| Harbor Springs (KMGN) | Harbor Springs | MI | Knoxville Downtown Island to Harbor Springs |
| Metter Municipal (KMHP) | Metter | GA | Knoxville Downtown Island to Metter Municipal |
| Mountain Empire (KMKJ) | Marion-Wythevil | VA | Knoxville Downtown Island to Mountain Empire |
| Indianapolis Regional (KMQJ) | Indianapolis | IN | Knoxville Downtown Island to Indianapolis Regional |
| Michael J. Smith Field (KMRH) | Beaufort | NC | Knoxville Downtown Island to Michael J. Smith Field |
| Bloomsburg Municipal Airport (KN13) | Bloomsburg | PA | Knoxville Downtown Island to Bloomsburg Municipal Airport |
| Bradford County (KN27) | Towanda | PA | Knoxville Downtown Island to Bradford County |
| Cherry Ridge (KN30) | Honesdale | PA | Knoxville Downtown Island to Cherry Ridge |
| Stormville (KN69) | Stormville | NY | Knoxville Downtown Island to Stormville |
| Joseph Y Resnick (KN89) | Ellenville | NY | Knoxville Downtown Island to Joseph Y Resnick |
| Kennett Memorial (KNT) | Kennett | MO | Knoxville Downtown Island to Kennett Memorial |
| Hanover County Municipal (KOFP) | Richmond | VA | Knoxville Downtown Island to Hanover County Municipal |
| Currituck County Regional (KONX) | Currituck | NC | Knoxville Downtown Island to Currituck County Regional |
| Detroit Grosse Ile Municipal (KONZ) | Detroit Grosse Ile | MI | Knoxville Downtown Island to Detroit Grosse Ile Municipal |
| Brandywine (KOQN) | West Chester | PA | Knoxville Downtown Island to Brandywine |
| Orr Regional (KORB) | Orr | MN | Knoxville Downtown Island to Orr Regional |
| Price County (KPBH) | Phillips | WI | Knoxville Downtown Island to Price County |
| Pike County-Hatcher Field (KPBX) | Pikeville | KY | Knoxville Downtown Island to Pike County-Hatcher Field |
| Penn Yan (KPEO) | Penn Yan | NY | Knoxville Downtown Island to Penn Yan |
| Platteville Municipal (KPVB) | Platteville | WI | Knoxville Downtown Island to Platteville Municipal |
| Stafford Regional (KRMN) | Stafford | VA | Knoxville Downtown Island to Stafford Regional |
| Lago Vista Tx - Rusty Allen (KRYW) | Lago Vista | TX | Knoxville Downtown Island to Lago Vista Tx - Rusty Allen |
| Cobb County International-McCollum Field (KRYY) | Atlanta | GA | Knoxville Downtown Island to Cobb County International-McCollum Field |
| Sonora Municipal (KSOA) | Sonora | TX | Knoxville Downtown Island to Sonora Municipal |
