| Apalachicola Regional (AAF) | Apalachicola | FL | North Fork Valley to Apalachicola Regional |
| Lehigh Valley International (ABE) | Allentown | PA | North Fork Valley to Lehigh Valley International |
| Abilene Regional (ABI) | Abilene | TX | North Fork Valley to Abilene Regional |
| Albuquerque/Sunport International (ABQ) | Albuquerque | NM | North Fork Valley to Albuquerque/Sunport International |
| Aberdeen Regional (ABR) | Aberdeen | SD | North Fork Valley to Aberdeen Regional |
| Southwest Georgia Regional (ABY) | Albany | GA | North Fork Valley to Southwest Georgia Regional |
| Gen Juan Alvarez International (ACA) | Acapulco | Gue | North Fork Valley to Gen Juan Alvarez International |
| Antrim County (ACB) | Bellaire | MI | North Fork Valley to Antrim County |
| Ciudad Acuna International (ACN) | Ciudad Acuna | Coa | North Fork Valley to Ciudad Acuna International |
| Waco Regional (ACT) | Waco | TX | North Fork Valley to Waco Regional |
| California Redwood Coast-Humboldt County (ACV) | Arcata | CA | North Fork Valley to California Redwood Coast-Humboldt County |
| Atlantic City International (ACY) | Atlantic City | NJ | North Fork Valley to Atlantic City International |
| Lenawee County (ADG) | Adrian | MI | North Fork Valley to Lenawee County |
| Ardmore Municipal (ADM) | Ardmore | OK | North Fork Valley to Ardmore Municipal |
| Addison/Dallas (ADS) | Dallas | TX | North Fork Valley to Addison/Dallas |
| Ada Municipal (ADT) | Ada | OK | North Fork Valley to Ada Municipal |
| Albert Lea Municipal (AEL) | Albert Lea | MN | North Fork Valley to Albert Lea Municipal |
| Alexandria International (AEX) | Alexandria | LA | North Fork Valley to Alexandria International |
| Afton Municipal (AFO) | Afton | WY | North Fork Valley to Afton Municipal |
| Fort Worth Alliance (AFW) | Fort Worth | TX | North Fork Valley to Fort Worth Alliance |
| Allegheny County (AGC) | Pittsburgh | PA | North Fork Valley to Allegheny County |
| Magnolia Municipal (AGO) | Magnolia | AR | North Fork Valley to Magnolia Municipal |
| Augusta Regional/Bush Field (AGS) | Augusta | GA | North Fork Valley to Augusta Regional/Bush Field |
| Aguascalientes/Jesus Teran Intl (AGU) | Aguascalientes | Agu | North Fork Valley to Aguascalientes/Jesus Teran Intl |
| Ardmore Downtown Executive (AHD) | Ardmore | OK | North Fork Valley to Ardmore Downtown Executive |
| Arapahoe Municipal (AHF) | Arapahoe | NE | North Fork Valley to Arapahoe Municipal |
| Amery Municipal (AHH) | Amery | WI | North Fork Valley to Amery Municipal |
| Ashland Municipal-Sumner Parker Field (AHM) | Ashland | OR | North Fork Valley to Ashland Municipal-Sumner Parker Field |
| Athens/Ben Epps (AHN) | Athens | GA | North Fork Valley to Athens/Ben Epps |
| Alliance Municipal (AIA) | Alliance | NE | North Fork Valley to Alliance Municipal |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | North Fork Valley to Anderson Municipal-Darlington Field |
| Aiken Regional (AIK) | Aiken | SC | North Fork Valley to Aiken Regional |
| Atlantic Municipal (AIO) | Atlantic | IA | North Fork Valley to Atlantic Municipal |
| George Downer (AIV) | Aliceville | AL | North Fork Valley to George Downer |
| Lee C Fine Memorial (AIZ) | KAISER/LAKE OZARK | MO | North Fork Valley to Lee C Fine Memorial |
| Cayley/A J Flying Ranch (AJ7) | Cayley | AB | North Fork Valley to Cayley/A J Flying Ranch |
| Akron Fulton International (AKC) | Akron | OH | North Fork Valley to Akron Fulton International |
| Colorado Plains Regional (AKO) | Akron | CO | North Fork Valley to Colorado Plains Regional |
| Albany International (ALB) | Albany | NY | North Fork Valley to Albany International |
| Alpine-Casparis Municipal (ALE) | Alpine | TX | North Fork Valley to Alpine-Casparis Municipal |
| Alice International (ALI) | Alice | TX | North Fork Valley to Alice International |
| Alamogordo White Sands Regional (ALM) | Alamogordo | NM | North Fork Valley to Alamogordo White Sands Regional |
| St Louis Regional (ALN) | Alton | IL | North Fork Valley to St Louis Regional |
| Waterloo Regional (ALO) | Waterloo | IA | North Fork Valley to Waterloo Regional |
| San Luis Valley Regional/Bergman Field (ALS) | Alamosa | CO | North Fork Valley to San Luis Valley Regional/Bergman Field |
| Walla Walla Regional (ALW) | Walla Walla | WA | North Fork Valley to Walla Walla Regional |
| Thomas C Russell Field (ALX) | Alexander City | AL | North Fork Valley to Thomas C Russell Field |
| Rick Husband Amarillo International (AMA) | Amarillo | TX | North Fork Valley to Rick Husband Amarillo International |
| Animas Air Park (AMK) | Durango | CO | North Fork Valley to Animas Air Park |
| Gratiot Community (AMN) | Alma | MI | North Fork Valley to Gratiot Community |
| Ames Municipal (AMW) | Ames | IA | North Fork Valley to Ames Municipal |
| Anniston Regional (ANB) | Anniston | AL | North Fork Valley to Anniston Regional |
| Anderson Regional (AND) | Anderson | SC | North Fork Valley to Anderson Regional |
| Tri-State Steuben County (ANQ) | Angola | IN | North Fork Valley to Tri-State Steuben County |
| Ainsworth Regional (ANW) | Ainsworth | NE | North Fork Valley to Ainsworth Regional |
| Anthony Municipal (ANY) | Anthony | KS | North Fork Valley to Anthony Municipal |
| Lima Allen County (AOH) | Lima | OH | North Fork Valley to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | North Fork Valley to Altoona/Blair County |
| Centennial (APA) | Denver | CO | North Fork Valley to Centennial |
| Napa County (APC) | Napa | CA | North Fork Valley to Napa County |
| Naples Municipal (APF) | Naples | FL | North Fork Valley to Naples Municipal |
| Alpena County Regional (APN) | Alpena | MI | North Fork Valley to Alpena County Regional |
| Apple Valley (APV) | Apple Valley | CA | North Fork Valley to Apple Valley |
| New Iberia/Acadiana Regional (ARA) | New Iberia | LA | North Fork Valley to New Iberia/Acadiana Regional |
| Walnut Ridge Regional (ARG) | Walnut Ridge | AR | North Fork Valley to Walnut Ridge Regional |
| Watertown International (ART) | Watertown | NY | North Fork Valley to Watertown International |
| Lakeland/Noble F. Lee Memorial Field (ARV) | Minocqua | WI | North Fork Valley to Lakeland/Noble F. Lee Memorial Field |
| Harrison County (ASL) | Marshall | TX | North Fork Valley to Harrison County |
| Talladega Municipal (ASN) | Talladega | AL | North Fork Valley to Talladega Municipal |
| Austin (ASQ) | Austin | NV | North Fork Valley to Austin |
| Astoria Regional (AST) | Astoria | OR | North Fork Valley to Astoria Regional |
| John F Kennedy Memorial (ASX) | Ashland | WI | North Fork Valley to John F Kennedy Memorial |
| Ashley Municipal (ASY) | Ashley | ND | North Fork Valley to Ashley Municipal |
| Antlers Municipal (ATE) | Antlers | OK | North Fork Valley to Antlers Municipal |
| Hartsfield Jackson Atlanta International (ATL) | Atlanta | GA | North Fork Valley to Hartsfield Jackson Atlanta International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | North Fork Valley to Gordon K Bush Ohio University |
| Artesia Municipal (ATS) | Artesia | NM | North Fork Valley to Artesia Municipal |
| Appleton International (ATW) | Appleton | WI | North Fork Valley to Appleton International |
| Watertown Regional (ATY) | Watertown | SD | North Fork Valley to Watertown Regional |
| Austin Municipal (AUM) | Austin | MN | North Fork Valley to Austin Municipal |
| Auburn Municipal (AUN) | Auburn | CA | North Fork Valley to Auburn Municipal |
| Auburn University Regional (AUO) | Auburn | AL | North Fork Valley to Auburn University Regional |
| Austin Bergstrom International (AUS) | Austin | TX | North Fork Valley to Austin Bergstrom International |
| Wausau Downtown (AUW) | Wausau | WI | North Fork Valley to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | North Fork Valley to Chicago/Aurora Municipal |
| Asheville Regional (AVL) | Asheville | NC | North Fork Valley to Asheville Regional |
| Avon Park Executive (AVO) | Avon Park | FL | North Fork Valley to Avon Park Executive |
| Wilkes-Barre/Scranton International (AVP) | Scranton | PA | North Fork Valley to Wilkes-Barre/Scranton International |
| Marana Regional (AVW) | Tucson | AZ | North Fork Valley to Marana Regional |
| Catalina (AVX) | Avalon | CA | North Fork Valley to Catalina |
| West Memphis Municipal (AWM) | West Memphis | AR | North Fork Valley to West Memphis Municipal |
| Algona Municipal (AXG) | Algona | IA | North Fork Valley to Algona Municipal |
| Chandler Field (AXN) | Alexandria | MN | North Fork Valley to Chandler Field |
| Altus/Quartz Mountain Regional (AXS) | Altus | OK | North Fork Valley to Altus/Quartz Mountain Regional |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | North Fork Valley to Auglaize County Neil Armstrong |
| Angel Fire (Colfax County) (AXX) | Angel Fire | NM | North Fork Valley to Angel Fire (Colfax County) |
| Waycross-Ware County (AYS) | Waycross | GA | North Fork Valley to Waycross-Ware County |
| Cache Creek (AZ5) | Cache-Creek | BC | North Fork Valley to Cache Creek |
| Phoenix-Mesa Gateway (AZA) | Phoenix | AZ | North Fork Valley to Phoenix-Mesa Gateway |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | North Fork Valley to Kalamazoo/Battle Creek International |
| Barnes Municipal (BAF) | Westfield | MA | North Fork Valley to Barnes Municipal |
| Battle Mountain (BAM) | Battle Mountain | NV | North Fork Valley to Battle Mountain |
| Benson Municipal (BBB) | Benson | MN | North Fork Valley to Benson Municipal |
| Bay City Regional (BBC) | Bay City | TX | North Fork Valley to Bay City Regional |
| Curtis Field (BBD) | Brady | TX | North Fork Valley to Curtis Field |
| Broken Bow Municipal/Keith Glaze Field (BBW) | Broken Bow | NE | North Fork Valley to Broken Bow Municipal/Keith Glaze Field |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | North Fork Valley to Virginia Tech Montgomery Executive |
| Bryce Canyon (BCE) | Bryce Canyon | UT | North Fork Valley to Bryce Canyon |
| Boca Raton (BCT) | Boca Raton | FL | North Fork Valley to Boca Raton |
| Baudette International (BDE) | Baudette | MN | North Fork Valley to Baudette International |
| Blanding Municipal (BDG) | Blanding | UT | North Fork Valley to Blanding Municipal |
| Bradley International (BDL) | Windsor Locks | CT | North Fork Valley to Bradley International |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | North Fork Valley to Igor I Sikorsky Memorial |
| Bandon State (BDY) | Bandon | OR | North Fork Valley to Bandon State |
| Beech Factory (BEC) | Wichita | KS | North Fork Valley to Beech Factory |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | North Fork Valley to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | North Fork Valley to Bradford Regional |
| Western Nebraska Regional/William B Heilig Field (BFF) | Scottsbluff | NE | North Fork Valley to Western Nebraska Regional/William B Heilig Field |
| Bullfrog Basin (BFG) | Glen Canyon | UT | North Fork Valley to Bullfrog Basin |
| King County International Boeing Field (BFI) | Seattle | WA | North Fork Valley to King County International Boeing Field |
| Meadows Field (BFL) | Bakersfield | CA | North Fork Valley to Meadows Field |
| Mobile Downtown (BFM) | Mobile | AL | North Fork Valley to Mobile Downtown |
| Beaver County (BFP) | Beaver Falls | PA | North Fork Valley to Beaver County |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | North Fork Valley to Virgil I Grissom Municipal |
| Hutchinson County (BGD) | Borger | TX | North Fork Valley to Hutchinson County |
| Decatur County Industrial Air Park (BGE) | Bainbridge | GA | North Fork Valley to Decatur County Industrial Air Park |
| Bridgetown Grantley Adams International (BGI) | Bridgetown | | North Fork Valley to Bridgetown Grantley Adams International |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | North Fork Valley to Greater Binghamton Edwin A Link Field |
| Bagdad (BGT) | Bagdad | AZ | North Fork Valley to Bagdad |
| Birmingham-Shuttlesworth International (BHM) | Birmingham | AL | North Fork Valley to Birmingham-Shuttlesworth International |
| Beatrice Municipal (BIE) | Beatrice | NE | North Fork Valley to Beatrice Municipal |
| Bishop Regional (BIH) | Bishop | CA | North Fork Valley to Bishop Regional |
| Billings Logan International (BIL) | Billings | MT | North Fork Valley to Billings Logan International |
| Bismarck Municipal (BIS) | Bismarck | ND | North Fork Valley to Bismarck Municipal |
| Rocky Mountain Metropolitan/Jeffco (BJC) | Denver | CO | North Fork Valley to Rocky Mountain Metropolitan/Jeffco |
| Bemidji Regional (BJI) | Bemidji | MN | North Fork Valley to Bemidji Regional |
| Wayne County (BJJ) | Wooster | OH | North Fork Valley to Wayne County |
| Leon/Bajio/Guanajuato International (BJX) | Leon | Gua | North Fork Valley to Leon/Bajio/Guanajuato International |
| Stephens County (BKD) | Breckenridge | TX | North Fork Valley to Stephens County |
| Baker City Municipal (BKE) | Baker City | OR | North Fork Valley to Baker City Municipal |
| Branson (BKG) | Branson | MO | North Fork Valley to Branson |
| Burke Lakefront (BKL) | Cleveland | OH | North Fork Valley to Burke Lakefront |
| Allen C Perkinson Blackstone Army Air Field (BKT) | Blackstone | VA | North Fork Valley to Allen C Perkinson Blackstone Army Air Field |
| Raleigh County Memorial (BKW) | Beckley | WV | North Fork Valley to Raleigh County Memorial |
| Brookings Regional (BKX) | Brookings | SD | North Fork Valley to Brookings Regional |
| Boulder City Municipal (BLD) | Boulder City | NV | North Fork Valley to Boulder City Municipal |
| Mercer County (BLF) | Bluefield | WV | North Fork Valley to Mercer County |
| Blythe (BLH) | Blythe | CA | North Fork Valley to Blythe |
| Bellingham International (BLI) | Bellingham | WA | North Fork Valley to Bellingham International |
| Monmouth Executive (BLM) | Belmar | NJ | North Fork Valley to Monmouth Executive |
| Blue Canyon - Nyack (BLU) | Emigrant Gap | CA | North Fork Valley to Blue Canyon - Nyack |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | North Fork Valley to MidAmerica St Louis Scott AFB |
| Brigham City Regional (BMC) | Brigham City | UT | North Fork Valley to Brigham City Regional |
| Monroe County (BMG) | Bloomington | IN | North Fork Valley to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | North Fork Valley to Central Illinois Regional at Bloomington Normal |
| Beaumont Municipal (BMT) | Beaumont | TX | North Fork Valley to Beaumont Municipal |
| Nashville International (BNA) | Nashville | TN | North Fork Valley to Nashville International |
| Banning Municipal (BNG) | Banning | CA | North Fork Valley to Banning Municipal |
| Barnwell Regional (BNL) | Barnwell | SC | North Fork Valley to Barnwell Regional |
| Burns Municipal (BNO) | Burns | OR | North Fork Valley to Burns Municipal |
| Boone Municipal (BNW) | Boone | IA | North Fork Valley to Boone Municipal |
| Boise Air Terminal Gowen Field (BOI) | Boise | ID | North Fork Valley to Boise Air Terminal Gowen Field |
| Brookings Airport (BOK) | Brookings | OR | North Fork Valley to Brookings Airport |
| Boston Logan International (BOS) | Boston | MA | North Fork Valley to Boston Logan International |
| Bartow Executive (BOW) | Bartow | FL | North Fork Valley to Bartow Executive |
| Miley Memorial Field (Big Piney) (BPI) | Big Piney | WY | North Fork Valley to Miley Memorial Field (Big Piney) |
| Jack Brooks Regional (BPT) | Beaumont/Port Arthur | TX | North Fork Valley to Jack Brooks Regional |
| Brunswick Golden Isles (BQK) | Brunswick | GA | North Fork Valley to Brunswick Golden Isles |
| Brainerd Lakes Regional (BRD) | Brainerd | MN | North Fork Valley to Brainerd Lakes Regional |
| Southeast Iowa Regional (BRL) | Burlington | IA | North Fork Valley to Southeast Iowa Regional |
| Brownsville/South Padre Island International (BRO) | Brownsville | TX | North Fork Valley to Brownsville/South Padre Island International |
| Samuels Field (BRY) | Bardstown | KY | North Fork Valley to Samuels Field |
| Bisbee Municipal (BSQ) | Bisbee | AZ | North Fork Valley to Bisbee Municipal |
| Skypark (BTF) | Bountiful | UT | North Fork Valley to Skypark |
| Battle Creek Executive (BTL) | Battle Creek | MI | North Fork Valley to Battle Creek Executive |
| Bert Mooney (BTM) | Butte | MT | North Fork Valley to Bert Mooney |
| Marlboro County Jetport - H.E. Avent Field (BTN) | Bennettsville | SC | North Fork Valley to Marlboro County Jetport - H.E. Avent Field |
| Pittsburgh/Butler Regional Airport (BTP) | Butler | PA | North Fork Valley to Pittsburgh/Butler Regional Airport |
| Baton Rouge Metro Ryan Field (BTR) | Baton Rouge | LA | North Fork Valley to Baton Rouge Metro Ryan Field |
| Burlington International (BTV) | Burlington | VT | North Fork Valley to Burlington International |
| Beatty (BTY) | Beatty | NV | North Fork Valley to Beatty |
| Cram Field (BUB) | Burwell | NE | North Fork Valley to Cram Field |
| Buffalo Niagara International (BUF) | Buffalo | NY | North Fork Valley to Buffalo Niagara International |
| Butler Memorial (BUM) | Butler | MO | North Fork Valley to Butler Memorial |
| Hollywood Burbank (BUR) | Burbank | CA | North Fork Valley to Hollywood Burbank |
| Bartlesville Municipal (BVO) | Bartlesville | OK | North Fork Valley to Bartlesville Municipal |
| Batesville Regional (BVX) | Batesville | AR | North Fork Valley to Batesville Regional |
| Beverly Regional (BVY) | Beverly | MA | North Fork Valley to Beverly Regional |
| Brawley Municipal (BWC) | Brawley | CA | North Fork Valley to Brawley Municipal |
| Brownwood Regional (BWD) | Brownwood | TX | North Fork Valley to Brownwood Regional |
| Bowling Green Warren County Regional (BWG) | Bowling Green | KY | North Fork Valley to Bowling Green Warren County Regional |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | North Fork Valley to Baltimore/Washington Intl Thurgood Marshall |
| Bowman Municipal (BWM) | Bowman | ND | North Fork Valley to Bowman Municipal |
| George R Carr Memorial Airfield (BXA) | Bogalusa | LA | North Fork Valley to George R Carr Memorial Airfield |
| Buckeye Municipal (BXK) | Buckeye | AZ | North Fork Valley to Buckeye Municipal |
| Borrego Valley (BXS) | Borrego Springs | CA | North Fork Valley to Borrego Valley |
| Johnson County (BYG) | Buffalo | WY | North Fork Valley to Johnson County |
| Arkansas International (BYH) | Blytheville | AR | North Fork Valley to Arkansas International |
| Burley Municipal (BYI) | Burley | ID | North Fork Valley to Burley Municipal |
| Bozeman Yellowstone International (BZN) | Bozeman | MT | North Fork Valley to Bozeman Yellowstone International |
| Wexford County (CAD) | Cadillac | MI | North Fork Valley to Wexford County |
| Columbia Metropolitan (CAE) | Columbia | SC | North Fork Valley to Columbia Metropolitan |
| Akron/Canton Regional (CAK) | Akron | OH | North Fork Valley to Akron/Canton Regional |
| Clayton Municipal Airpark (CAO) | Clayton | NM | North Fork Valley to Clayton Municipal Airpark |
| Cap Haitien (CAP) | Cap Haitien | | North Fork Valley to Cap Haitien |
| Caribou Municipal (CAR) | Caribou | ME | North Fork Valley to Caribou Municipal |
| Greater Cumberland Regional (CBE) | Cumberland | MD | North Fork Valley to Greater Cumberland Regional |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | North Fork Valley to Council Bluffs Municipal |
| Shalz Field (CBK) | Colby | KS | North Fork Valley to Shalz Field |
| Clinton Municipal (CCA) | Clinton | AR | North Fork Valley to Clinton Municipal |
| Cable (CCB) | Upland | CA | North Fork Valley to Cable |
| Crane County (CCG) | Crane | TX | North Fork Valley to Crane County |
| Buchanan Field (CCR) | Concord | CA | North Fork Valley to Buchanan Field |
| Northeast Iowa Regional (CCY) | Charles City | IA | North Fork Valley to Northeast Iowa Regional |
| Chub Cay (CCZ) | Berry Islands | | North Fork Valley to Chub Cay |
| Cold Bay (CDB) | Cold Bay | AK | North Fork Valley to Cold Bay |
| Cedar City Regional (CDC) | Cedar City | UT | North Fork Valley to Cedar City Regional |
| Harrell Field (CDH) | Camden | AR | North Fork Valley to Harrell Field |
| Woodward Field (CDN) | Camden | SC | North Fork Valley to Woodward Field |
| Chadron Municipal (CDR) | Chadron | NE | North Fork Valley to Chadron Municipal |
| Childress Municipal (CDS) | Childress | TX | North Fork Valley to Childress Municipal |
| Essex County (CDW) | Caldwell | NJ | North Fork Valley to Essex County |
| Cessna Aircraft Field (CEA) | Wichita | KS | North Fork Valley to Cessna Aircraft Field |
| Del Norte Co Regional/Jack Mcnamara Field (CEC) | Crescent City | CA | North Fork Valley to Del Norte Co Regional/Jack Mcnamara Field |
| Ciudad Obregon International (CEN) | Ciudad Obregon | Son | North Fork Valley to Ciudad Obregon International |
| Oconee County Regional (CEU) | Clemson | SC | North Fork Valley to Oconee County Regional |
| Mettel Field (CEV) | Connersville | IN | North Fork Valley to Mettel Field |
| Bob Sikes (CEW) | Crestview | FL | North Fork Valley to Bob Sikes |
| Kyle-Oakley Field (CEY) | Murray | KY | North Fork Valley to Kyle-Oakley Field |
| Cortez Municipal (CEZ) | Cortez | CO | North Fork Valley to Cortez Municipal |
| Coulter Field (CFD) | Bryan | TX | North Fork Valley to Coulter Field |
| Creston Valley Regional (CFQ) | Creston | BC | North Fork Valley to Creston Valley Regional |
| Greenlee County (CFT) | Clifton | AZ | North Fork Valley to Greenlee County |
| Coffeyville Municipal (CFV) | Coffeyville | KS | North Fork Valley to Coffeyville Municipal |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | North Fork Valley to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | North Fork Valley to Cuyahoga County |
| Cape Girardeau Regional (CGI) | Cape Girardeau | MO | North Fork Valley to Cape Girardeau Regional |
| Casa Grande Municipal (CGZ) | Casa Grande | AZ | North Fork Valley to Casa Grande Municipal |
| Lovell Field (CHA) | Chattanooga | TN | North Fork Valley to Lovell Field |
| Chickasha Municipal (CHK) | Chickasha | OK | North Fork Valley to Chickasha Municipal |
| Challis (CHL) | Challis | ID | North Fork Valley to Challis |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | North Fork Valley to Charlottesville Albemarle |
| Charleston International (CHS) | Charleston | SC | North Fork Valley to Charleston International |
| Chiloquin State (CHZ) | Chiloquin | OR | North Fork Valley to Chiloquin State |
| Chico Municipal (CIC) | Chico | CA | North Fork Valley to Chico Municipal |
| The Eastern Iowa (CID) | Cedar Rapids | IA | North Fork Valley to The Eastern Iowa |
| Craig-Moffat (CIG) | Craig | CO | North Fork Valley to Craig-Moffat |
| Arthur N Neu (CIN) | Carroll | IA | North Fork Valley to Arthur N Neu |
| Cairo Regional (CIR) | Cairo | IL | North Fork Valley to Cairo Regional |
| Chippewa County International (CIU) | Sault Ste Marie | MI | North Fork Valley to Chippewa County International |
| Canouan Jet Port (CIW) | Canouan Isl | | North Fork Valley to Canouan Jet Port |
| Ciudad Juarez/Abraham Gonzalez Intl (CJS) | Ciudad Juarez | Chi | North Fork Valley to Ciudad Juarez/Abraham Gonzalez Intl |
| North Central West Virginia (CKB) | Clarksburg | WV | North Fork Valley to North Central West Virginia |
| Fletcher Field (CKM) | Clarksdale | MS | North Fork Valley to Fletcher Field |
| Crookston Municipal Kirkwood Field (CKN) | Crookston | MN | North Fork Valley to Crookston Municipal Kirkwood Field |
| Outlaw Field (CKV) | Clarksville | TN | North Fork Valley to Outlaw Field |
| Carlsbad/McClellan-Palomar (CLD) | Carlsbad | CA | North Fork Valley to Carlsbad/McClellan-Palomar |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | North Fork Valley to Cleveland/Hopkins International |
| New Coalinga Municipal (CLG) | Coalinga | CA | North Fork Valley to New Coalinga Municipal |
| Clintonville Municipal (CLI) | Clintonville | WI | North Fork Valley to Clintonville Municipal |
| Clinton Regional (CLK) | Clinton | OK | North Fork Valley to Clinton Regional |
| Easterwood Field (CLL) | College Station | TX | North Fork Valley to Easterwood Field |
| William R Fairchild International (CLM) | Port Angeles | WA | North Fork Valley to William R Fairchild International |
| Colima (CLQ) | Colima | Col | North Fork Valley to Colima |
| Cliff Hatfield Memorial (CLR) | Calipatria | CA | North Fork Valley to Cliff Hatfield Memorial |
| Chehalis-Centralia (CLS) | Chehalis | WA | North Fork Valley to Chehalis-Centralia |
| Charlotte Douglas International (CLT) | Charlotte | NC | North Fork Valley to Charlotte Douglas International |
| Columbus Municipal (CLU) | Columbus | IN | North Fork Valley to Columbus Municipal |
| Clearwater Airpark (CLW) | Clearwater | FL | North Fork Valley to Clearwater Airpark |
| Ciudad Del Carmen (CME) | Ciudad del Carmen | Cam | North Fork Valley to Ciudad Del Carmen |
| John Glenn International (CMH) | Columbus | OH | North Fork Valley to John Glenn International |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | North Fork Valley to University of Illinois-Willard |
| Houghton County Memorial (CMX) | Hancock | MI | North Fork Valley to Houghton County Memorial |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | North Fork Valley to Sparta/Fort Mccoy |
| Fremont County (CNE) | Canon City | CO | North Fork Valley to Fremont County |
| Claremont Municipal (CNH) | Claremont | NH | North Fork Valley to Claremont Municipal |
| Blosser Municipal (CNK) | Concordia | KS | North Fork Valley to Blosser Municipal |
| Cavern City Air Terminal (CNM) | Carlsbad | NM | North Fork Valley to Cavern City Air Terminal |
| Chino (CNO) | Chino | CA | North Fork Valley to Chino |
| Chanute Martin Johnson (CNU) | Chanute | KS | North Fork Valley to Chanute Martin Johnson |
| Waco Texas State Techical College (CNW) | Waco | TX | North Fork Valley to Waco Texas State Techical College |
| Canyonlands Field (CNY) | Moab | UT | North Fork Valley to Canyonlands Field |
| Columbia (COA) | Columbia | CA | North Fork Valley to Columbia |
| Yellowstone Regional (COD) | Cody | WY | North Fork Valley to Yellowstone Regional |
| Coeur D'alene/Pappy Boyington Field (COE) | Coeur D'Alene | ID | North Fork Valley to Coeur D'alene/Pappy Boyington Field |
| Coleman Municipal (COM) | Coleman | TX | North Fork Valley to Coleman Municipal |
| City of Colorado Springs Municipal (COS) | Colorado Springs | CO | North Fork Valley to City of Colorado Springs Municipal |
| Cotulla-La Salle County (COT) | Cotulla | TX | North Fork Valley to Cotulla-La Salle County |
| Columbia Regional (COU) | Columbia | MO | North Fork Valley to Columbia Regional |
| Congo Town (COX) | Andros Island | | North Fork Valley to Congo Town |
| Campeche/Ignacio Acuna Ongay Intl (CPE) | Campeche | Cam | North Fork Valley to Campeche/Ignacio Acuna Ongay Intl |
| Compton/Woodley (CPM) | Compton | CA | North Fork Valley to Compton/Woodley |
| Casper/Natrona County International (CPR) | Casper | WY | North Fork Valley to Casper/Natrona County International |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | North Fork Valley to St Louis Downtown |
| Debert (CQ3) | Debert | NS | North Fork Valley to Debert |
| Grand Strand North Myrtle Beach (CRE) | North Myrtle Beach | SC | North Fork Valley to Grand Strand North Myrtle Beach |
| Jacksonville Executive at Craig (CRG) | Jacksonville | FL | North Fork Valley to Jacksonville Executive at Craig |
| Colonel Hill (CRI) | Crooked Island | | North Fork Valley to Colonel Hill |
| Corpus Christi International (CRP) | Corpus Christi | TX | North Fork Valley to Corpus Christi International |
| C David Campbell Field-Corsicana Municipal (CRS) | Corsicana | TX | North Fork Valley to C David Campbell Field-Corsicana Municipal |
| Z M Jack Stell Field (CRT) | Crossett | AR | North Fork Valley to Z M Jack Stell Field |
| Yeager (CRW) | Charleston | WV | North Fork Valley to Yeager |
| Roscoe Turner (CRX) | Corinth | MS | North Fork Valley to Roscoe Turner |
| Chipman (CS4) | Chipman | NB | North Fork Valley to Chipman |
| Columbus Metropolitan (CSG) | Columbus | GA | North Fork Valley to Columbus Metropolitan |
| Cabo San Lucas International (CSL) | Los Cabos | Baj | North Fork Valley to Cabo San Lucas International |
| Clinton-Sherman (CSM) | Clinton | OK | North Fork Valley to Clinton-Sherman |
| Carson City (CSN) | Carson City | NV | North Fork Valley to Carson City |
| Creston Municipal (CSQ) | Creston | IA | North Fork Valley to Creston Municipal |
| Crossville Memorial/Whitson Field (CSV) | Crossville | TN | North Fork Valley to Crossville Memorial/Whitson Field |
| Cut Bank International (CTB) | Cut Bank | MT | North Fork Valley to Cut Bank International |
| Chester County G O Carlson (CTH) | Coatesville | PA | North Fork Valley to Chester County G O Carlson |
| Canton Municipal (CTK) | Canton | SD | North Fork Valley to Canton Municipal |
| Chetumal Intl (CTM) | Chetumal | Qui | North Fork Valley to Chetumal Intl |
| Cottonwood (CTW) | Cottonwood | AZ | North Fork Valley to Cottonwood |
| Cortland County-Chase Field (CTX) | Cortland | NY | North Fork Valley to Cortland County-Chase Field |
| Cross City (CTY) | Cross City | FL | North Fork Valley to Cross City |
| Clinton-Sampson County (CTZ) | Clinton | NC | North Fork Valley to Clinton-Sampson County |
| Jim Hamilton L.B. Owens (CUB) | Columbia | SC | North Fork Valley to Jim Hamilton L.B. Owens |
| Cushing Municipal (CUH) | Cushing | OK | North Fork Valley to Cushing Municipal |
| Culiacan (CUL) | Culiacan | Sin | North Fork Valley to Culiacan |
| Cancun International (CUN) | Cancun | Qui | North Fork Valley to Cancun International |
| Curacao Hato International (CUR) | Curacao | | North Fork Valley to Curacao Hato International |
| Chihuahua/Gen R Fierro Villalobos (CUU) | Chihuahua | Chi | North Fork Valley to Chihuahua/Gen R Fierro Villalobos |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | North Fork Valley to Cincinnati Northern Kentucky International |
| Cuernavaca/Gen Mariano Matamoros (CVJ) | Cuernavaca | Mor | North Fork Valley to Cuernavaca/Gen Mariano Matamoros |
| General Pedro J Mendez/Ciudad Victoria Intl (CVM) | Ciudad Victoria | Tam | North Fork Valley to General Pedro J Mendez/Ciudad Victoria Intl |
| Clovis Municipal (CVN) | Clovis | NM | North Fork Valley to Clovis Municipal |
| Corvallis Municipal (CVO) | Corvallis | OR | North Fork Valley to Corvallis Municipal |
| Central Wisconsin (CWA) | Mosinee | WI | North Fork Valley to Central Wisconsin |
| Chennault International (CWF) | Lake Charles | LA | North Fork Valley to Chennault International |
| Clinton Municipal (CWI) | Clinton | IA | North Fork Valley to Clinton Municipal |
| Cochise County (CWX) | Willcox | AZ | North Fork Valley to Cochise County |
| Calexico International (CXL) | Calexico | CA | North Fork Valley to Calexico International |
| Conroe North Houston Regional (CXO) | Houston | TX | North Fork Valley to Conroe North Houston Regional |
| Charles Kirkconnell Intl (CYB) | Cayman Brac | | North Fork Valley to Charles Kirkconnell Intl |
| Cheyenne Regional/Jerry Olson Field (CYS) | Cheyenne | WY | North Fork Valley to Cheyenne Regional/Jerry Olson Field |
| Celaya (CYW) | Celaya | Gua | North Fork Valley to Celaya |
| Clarenville (CZ3) | Clarenville | New | North Fork Valley to Clarenville |
| Nuevo Chichen Itza (CZA) | Chichen Itza | Yuc | North Fork Valley to Nuevo Chichen Itza |
| Boundary Bay (CZBB) | Vancouver | BC | North Fork Valley to Boundary Bay |
| Cozumel Intl (CZM) | Cozumel | Qui | North Fork Valley to Cozumel Intl |
| Dimmit County (CZT) | Carrizo Springs | TX | North Fork Valley to Dimmit County |
| Daytona Beach International (DAB) | Daytona Beach | FL | North Fork Valley to Daytona Beach International |
| Barstow-Daggett (DAG) | Daggett | CA | North Fork Valley to Barstow-Daggett |
| Dallas Love Field (DAL) | Dallas | TX | North Fork Valley to Dallas Love Field |
| Danville Regional (DAN) | Danville | VA | North Fork Valley to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | North Fork Valley to Dayton International James M Cox |
| Dublin W H Bud Barron (DBN) | Dublin | GA | North Fork Valley to Dublin W H Bud Barron |
| Dubuque Regional (DBQ) | Dubuque | IA | North Fork Valley to Dubuque Regional |
| Pryor Field Regional (DCU) | Decatur | AL | North Fork Valley to Pryor Field Regional |
| Dodge City Regional (DDC) | Dodge City | KS | North Fork Valley to Dodge City Regional |
| Decatur (DEC) | Decatur | IL | North Fork Valley to Decatur |
| Decorah Municipal (DEH) | Decorah | IA | North Fork Valley to Decorah Municipal |
| Denver International (DEN) | Denver | CO | North Fork Valley to Denver International |
| Coleman A Young Municipal (DET) | Detroit | MI | North Fork Valley to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | North Fork Valley to Defiance Memorial |
| Dallas-Fort Worth International (DFW) | Dallas | TX | North Fork Valley to Dallas-Fort Worth International |
| Douglas Lake (DGF) | Douglas Lake | BC | North Fork Valley to Douglas Lake |
| Douglas Municipal (DGL) | Douglas | AZ | North Fork Valley to Douglas Municipal |
| Durango (DGO) | Durango | Dur | North Fork Valley to Durango |
| Converse County (DGW) | Douglas | WY | North Fork Valley to Converse County |
| Dothan Regional (DHN) | Dothan | AL | North Fork Valley to Dothan Regional |
| Dalhart Municipal (DHT) | Dalhart | TX | North Fork Valley to Dalhart Municipal |
| Dickinson Theodore Roosevelt Regional (DIK) | Dickinson | ND | North Fork Valley to Dickinson Theodore Roosevelt Regional |
| Clearwater (DJ4) | Clearwater | NB | North Fork Valley to Clearwater |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | North Fork Valley to Chautauqua County/Dunkirk |
| Dillingham (DLG) | Dillingham | AK | North Fork Valley to Dillingham |
| Duluth International (DLH) | Duluth | MN | North Fork Valley to Duluth International |
| Dillon County Airport (DLL) | Dillon | SD | North Fork Valley to Dillon County Airport |
| Dillon (DLN) | Dillon | MT | North Fork Valley to Dillon |
| The Dalles Municipal/Columbia Gorge Regional (DLS) | The Dalles | OR | North Fork Valley to The Dalles Municipal/Columbia Gorge Regional |
| Deming Municipal (DMN) | Deming | NM | North Fork Valley to Deming Municipal |
| Sedalia Regional (DMO) | Sedalia | MO | North Fork Valley to Sedalia Regional |
| Daniel Field (DNL) | Augusta | GA | North Fork Valley to Daniel Field |
| Dalton Municipal (DNN) | Dalton | GA | North Fork Valley to Dalton Municipal |
| Denison Municipal (DNS) | Denison | IA | North Fork Valley to Denison Municipal |
| Vermilion Regional (DNV) | Danville | IL | North Fork Valley to Vermilion Regional |
| Dover AFB (DOV) | Dover | DE | North Fork Valley to Dover AFB |
| Dupage (DPA) | Chicago | IL | North Fork Valley to Dupage |
| Drummond Island (DRE) | Drummond Island | MI | North Fork Valley to Drummond Island |
| Beauregard Regional (DRI) | De Ridder | LA | North Fork Valley to Beauregard Regional |
| Durango/La Plata County (DRO) | Durango | CO | North Fork Valley to Durango/La Plata County |
| Del Rio International (DRT) | Del Rio | TX | North Fork Valley to Del Rio International |
| Destin Executive (DSI) | Destin | FL | North Fork Valley to Destin Executive |
| Des Moines International (DSM) | Des Moines | IA | North Fork Valley to Des Moines International |
| Dansville Municipal (DSV) | Dansville | NY | North Fork Valley to Dansville Municipal |
| Delta Municipal (DTA) | Delta | UT | North Fork Valley to Delta Municipal |
| Detroit Lakes-Wething Field (DTL) | Detroit Lakes | MN | North Fork Valley to Detroit Lakes-Wething Field |
| Shreveport Downtown (DTN) | Shreveport | LA | North Fork Valley to Shreveport Downtown |
| Detroit Metro Wayne County (DTW) | Detroit | MI | North Fork Valley to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | North Fork Valley to Dunnville |
| Durant Regional - Eaker Field (DUA) | Durant | OK | North Fork Valley to Durant Regional - Eaker Field |
| Halliburton Field (DUC) | Duncan | OK | North Fork Valley to Halliburton Field |
| Bisbee Douglas International (DUG) | Douglas/Bisbee | AZ | North Fork Valley to Bisbee Douglas International |
| Dubois Regional (DUJ) | DuBois | PA | North Fork Valley to Dubois Regional |
| Devils Lake Regional (DVL) | Devils Lake | ND | North Fork Valley to Devils Lake Regional |
| Davenport Municipal (DVN) | Davenport | IA | North Fork Valley to Davenport Municipal |
| Phoenix Deer Valley (DVT) | Phoenix | AZ | North Fork Valley to Phoenix Deer Valley |
| David Wayne Hooks Memorial (DWH) | Houston | TX | North Fork Valley to David Wayne Hooks Memorial |
| Danbury Municipal (DXR) | Danbury | CT | North Fork Valley to Danbury Municipal |
| Doylestown (DYL) | Doylestown | PA | North Fork Valley to Doylestown |
| Cardston (EA6) | Cardston | AB | North Fork Valley to Cardston |
| Phifer Airfield (EAN) | Wheatland | WY | North Fork Valley to Phifer Airfield |
| Kearney Regional (EAR) | Kearney | NE | North Fork Valley to Kearney Regional |
| Pangborn Memorial (EAT) | Wenatchee | WA | North Fork Valley to Pangborn Memorial |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | North Fork Valley to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | North Fork Valley to Webster City Municipal |
| Iosco County (ECA) | East Tawas | MI | North Fork Valley to Iosco County |
| Elizabeth City Regional & Coast Guard Station (ECG) | Elizabeth City | NC | North Fork Valley to Elizabeth City Regional & Coast Guard Station |
| Northwest Florida Beaches International (ECP) | Panama City | FL | North Fork Valley to Northwest Florida Beaches International |
| Mondell Field (ECS) | Newcastle | WY | North Fork Valley to Mondell Field |
| Northeastern Regional (EDE) | Edenton | NC | North Fork Valley to Northeastern Regional |
| El Dorado/Captain Jack Thomas Memorial (EDK) | El Dorado | KS | North Fork Valley to El Dorado/Captain Jack Thomas Memorial |
| Needles (EED) | Needles | CA | North Fork Valley to Needles |
| Dilliant-Hopkins (EEN) | Keene | NH | North Fork Valley to Dilliant-Hopkins |
| Bow Island (EF3) | Bow Island | AB | North Fork Valley to Bow Island |
| Airdrie (EF4) | Airdrie | AB | North Fork Valley to Airdrie |
| Ellington (EFD) | Houston | TX | North Fork Valley to Ellington |
| Jefferson Municipal (EFW) | Jefferson | IA | North Fork Valley to Jefferson Municipal |
| Drumheller Municipal (EG4) | Drumheller | AB | North Fork Valley to Drumheller Municipal |
| Maverick County Memorial International (EGP) | Eagle Pass | TX | North Fork Valley to Maverick County Memorial International |
| Eagle River Union (EGV) | Eagle River | WI | North Fork Valley to Eagle River Union |
| Provost (EH6) | Provost | AB | North Fork Valley to Provost |
| Claresholm Industrial (EJ4) | Claresholm | AB | North Fork Valley to Claresholm Industrial |
| Elk Point (EJ6) | Elk Point | AB | North Fork Valley to Elk Point |
| Eureka/Murray Field (EKA) | Eureka | CA | North Fork Valley to Eureka/Murray Field |
| Elkhart Municipal (EKI) | Elkhart | IN | North Fork Valley to Elkhart Municipal |
| Elkins/Randolph County (EKN) | Elkins | WV | North Fork Valley to Elkins/Randolph County |
| Elko Regional/Harris Field (EKO) | Elko | NV | North Fork Valley to Elko Regional/Harris Field |
| Addington Field (EKX) | Elizabethtown | KY | North Fork Valley to Addington Field |
| Eagle Lake (ELA) | Eagle Lake | TX | North Fork Valley to Eagle Lake |
| South Arkansas Regional at Goodwin Field (ELD) | El Dorado | AR | North Fork Valley to South Arkansas Regional at Goodwin Field |
| Elk City Regional Business (ELK) | Elk City | OK | North Fork Valley to Elk City Regional Business |
| Elmira/Corning Regional (ELM) | Elmira | NY | North Fork Valley to Elmira/Corning Regional |
| Bowers Field (ELN) | Ellensburg | WA | North Fork Valley to Bowers Field |
| El Paso International (ELP) | El Paso | TX | North Fork Valley to El Paso International |
| Ely/Yelland Field (ELY) | Ely | NV | North Fork Valley to Ely/Yelland Field |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | North Fork Valley to Wellsville Municipal/Tarantine Field |
| Kemmerer Municipal (EMM) | Kemmerer | WY | North Fork Valley to Kemmerer Municipal |
| Emporia Municipal (EMP) | Emporia | KS | North Fork Valley to Emporia Municipal |
| San Gabriel Valley (EMT) | El Monte | CA | North Fork Valley to San Gabriel Valley |
| High River (EN4) | High River | AB | North Fork Valley to High River |
| Cold Lake Regional (EN5) | Cold Lake | AB | North Fork Valley to Cold Lake Regional |
| Centralia Municipal (ENL) | Centralia | IL | North Fork Valley to Centralia Municipal |
| Wendover (ENV) | Wendover | UT | North Fork Valley to Wendover |
| Kenosha Regional (ENW) | Kenosha | WI | North Fork Valley to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | North Fork Valley to Keokuk Municipal |
| Neosho Hugh Robinson (EOS) | Neosho | MO | North Fork Valley to Neosho Hugh Robinson |
| Ephrata Municipal (EPH) | Ephrata | WA | North Fork Valley to Ephrata Municipal |
| Camrose (EQ3) | Camrose | AB | North Fork Valley to Camrose |
| Castor (ER2) | Castor | AB | North Fork Valley to Castor |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | North Fork Valley to Erie International/Tom Ridge Field |
| Kerrville Municipal/Louis Schreiner Field (ERV) | Kerrville | TX | North Fork Valley to Kerrville Municipal/Louis Schreiner Field |
| Delta County (ESC) | Escanaba | MI | North Fork Valley to Delta County |
| Ensenada/Gen Alberto Salinas (ESE) | Ensenada | Baj | North Fork Valley to Ensenada/Gen Alberto Salinas |
| Esler Regional (ESF) | Alexandria | LA | North Fork Valley to Esler Regional |
| Easton/Newnam Field (ESN) | Easton | MD | North Fork Valley to Easton/Newnam Field |
| Ohkay Owingeh (ESO) | Espanola | NM | North Fork Valley to Ohkay Owingeh |
| Estherville Municipal (EST) | Estherville | IA | North Fork Valley to Estherville Municipal |
| West Bend Municipal (ETB) | West Bend | WI | North Fork Valley to West Bend Municipal |
| Eastland Municipal (ETN) | Eastland | TX | North Fork Valley to Eastland Municipal |
| Enterprise Municipal (ETS) | Enterprise | AL | North Fork Valley to Enterprise Municipal |
| Eureka (EUE) | Eureka | NV | North Fork Valley to Eureka |
| Weedon Field (EUF) | Eufaula | AL | North Fork Valley to Weedon Field |
| Mahlon Sweet Field (EUG) | Eugene | OR | North Fork Valley to Mahlon Sweet Field |
| Vegreville (EV3) | Vegreville | AB | North Fork Valley to Vegreville |
| Eveleth-Virginia Municipal (EVM) | Eveleth | MN | North Fork Valley to Eveleth-Virginia Municipal |
| Evansville Regional (EVV) | Evansville | IN | North Fork Valley to Evansville Regional |
| Evanston-Uinta County Burns Field (EVW) | Evanston | WY | North Fork Valley to Evanston-Uinta County Burns Field |
| Newton City County (EWK) | Newton | KS | North Fork Valley to Newton City County |
| Coastal Carolina Regional (EWN) | New Bern | NC | North Fork Valley to Coastal Carolina Regional |
| Newark Liberty International (EWR) | Newark | NJ | North Fork Valley to Newark Liberty International |
| Yerington Municipal (EYR) | Yerington | NV | North Fork Valley to Yerington Municipal |
| Key West International (EYW) | Key West | FL | North Fork Valley to Key West International |
| Farmington Regional (FAM) | Farmington | MO | North Fork Valley to Farmington Regional |
| Hector International Fargo (FAR) | Fargo | ND | North Fork Valley to Hector International Fargo |
| Fresno Yosemite International (FAT) | Fresno | CA | North Fork Valley to Fresno Yosemite International |
| Fayetteville Regional/Grannis Field (FAY) | Fayetteville | NC | North Fork Valley to Fayetteville Regional/Grannis Field |
| Warren Thomas Josephburg (FB6) | Edmonton | AB | North Fork Valley to Warren Thomas Josephburg |
| Faribault Municipal (FBL) | Faribault | MN | North Fork Valley to Faribault Municipal |
| Fort Bridger Airport (FBR) | Fort Bridger | WY | North Fork Valley to Fort Bridger Airport |
| Fairbury Municipal (FBY) | Fairbury | NE | North Fork Valley to Fairbury Municipal |
| Glacier Park International (FCA) | Kalispell | MT | North Fork Valley to Glacier Park International |
| Fresno Chandler Executive (FCH) | Fresno | CA | North Fork Valley to Fresno Chandler Executive |
| Flying Cloud (FCM) | Minneapolis | MN | North Fork Valley to Flying Cloud |
| Forrest City Municipal (FCY) | Forrest City | AR | North Fork Valley to Forrest City Municipal |
| Frederick Municipal (FDK) | Frederick | MD | North Fork Valley to Frederick Municipal |
| Frederick Regional (FDR) | Frederick | OK | North Fork Valley to Frederick Regional |
| Findlay (FDY) | Findlay | OH | North Fork Valley to Findlay |
| Albertus (FEP) | Freeport | IL | North Fork Valley to Albertus |
| Fremont Municipal (FET) | Fremont | NE | North Fork Valley to Fremont Municipal |
| Fairfield Municipal (FFL) | Fairfield | IA | North Fork Valley to Fairfield Municipal |
| Fergus Falls Municipal-Einar Mickelson Field (FFM) | Fergus Falls | MN | North Fork Valley to Fergus Falls Municipal-Einar Mickelson Field |
| Capital City (FFT) | Frankfort | KY | North Fork Valley to Capital City |
| Consort (FG3) | Consort | AB | North Fork Valley to Consort |
| Sierra Vista Municipal/Libby AAF (FHU) | Fort Huachuca | AZ | North Fork Valley to Sierra Vista Municipal/Libby AAF |
| Fillmore Municipal (FIL) | Fillmore | UT | North Fork Valley to Fillmore Municipal |
| Venango Regional (FKL) | Franklin | PA | North Fork Valley to Venango Regional |
| Franklin Municipal-John Beverly Rose (FKN) | Franklin | VA | North Fork Valley to Franklin Municipal-John Beverly Rose |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | North Fork Valley to Fond Du Lac County |
| Flagstaff Pulliam (FLG) | Flagstaff | AZ | North Fork Valley to Flagstaff Pulliam |
| Fort Lauderdale Hollywood International (FLL) | Fort Lauderdale | FL | North Fork Valley to Fort Lauderdale Hollywood International |
| Florence Regional (FLO) | Florence | SC | North Fork Valley to Florence Regional |
| Marion County Regional (FLP) | Flippin | AR | North Fork Valley to Marion County Regional |
| Sherman Army Airfield (FLV) | Fort Leavenworth | KS | North Fork Valley to Sherman Army Airfield |
| Fallon Municipal (FLX) | Fallon | NV | North Fork Valley to Fallon Municipal |
| Four Corners Regional (FMN) | Farmington | NM | North Fork Valley to Four Corners Regional |
| Fort Madison Municipal (FMS) | Fort Madison | IA | North Fork Valley to Fort Madison Municipal |
| Page Field (FMY) | Fort Myers | FL | North Fork Valley to Page Field |
| Northern Colorado Regional (FNL) | Ft Collins/Loveland | CO | North Fork Valley to Northern Colorado Regional |
| Bishop International (FNT) | Flint | MI | North Fork Valley to Bishop International |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | North Fork Valley to Fort Dodge Regional |
| Topeka Regional (FOE) | Topeka | KS | North Fork Valley to Topeka Regional |
| Treasure Coast International (FPR) | Fort Pierce | FL | North Fork Valley to Treasure Coast International |
| Perry-Foley (FPY) | Perry | FL | North Fork Valley to Perry-Foley |
| Friday Harbor (FRD) | Friday Harbor | WA | North Fork Valley to Friday Harbor |
| Republic Long Island (FRG) | Farmingdale | NY | North Fork Valley to Republic Long Island |
| French Lick Municipal (FRH) | French Lick | IN | North Fork Valley to French Lick Municipal |
| Fairmont Municipal (FRM) | Fairmont | MN | North Fork Valley to Fairmont Municipal |
| Sioux Falls Regional, Joe Foss Field (FSD) | Sioux Falls | SD | North Fork Valley to Sioux Falls Regional, Joe Foss Field |
| Fort Scott Municipal (FSK) | Fort Scott | KS | North Fork Valley to Fort Scott Municipal |
| Fort Smith Regional (FSM) | Fort Smith | AR | North Fork Valley to Fort Smith Regional |
| Fort Stockton-Pecos County (FST) | Fort Stockton | TX | North Fork Valley to Fort Stockton-Pecos County |
| Fort Sumner Municipal (FSU) | Fort Sumner | NM | North Fork Valley to Fort Sumner Municipal |
| Fort Worth Meacham International (FTW) | Fort Worth | TX | North Fork Valley to Fort Worth Meacham International |
| Fulton County/Brown Field (FTY) | Atlanta | GA | North Fork Valley to Fulton County/Brown Field |
| Fullerton Municipal (FUL) | Fullerton | CA | North Fork Valley to Fullerton Municipal |
| Fort Wayne International (FWA) | Fort Wayne | IN | North Fork Valley to Fort Wayne International |
| Branson West Municipal - Emerson Field (FWB) | Branson West | MO | North Fork Valley to Branson West Municipal - Emerson Field |
| Fort Lauderdale Executive (FXE) | Fort Lauderdale | FL | North Fork Valley to Fort Lauderdale Executive |
| Forest City Municipal (FXY) | Forest City | IA | North Fork Valley to Forest City Municipal |
| Fayetteville Municipal (FYM) | Fayetteville | TN | North Fork Valley to Fayetteville Municipal |
| Drake Field (FYV) | Fayetteville | AR | North Fork Valley to Drake Field |
| Northeast Alabama Regional (GAD) | Gadsden | AL | North Fork Valley to Northeast Alabama Regional |
| Gage (GAG) | Gage | OK | North Fork Valley to Gage |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | North Fork Valley to Montgomery County Airpark |
| Great Bend Municipal (GBD) | Great Bend | KS | North Fork Valley to Great Bend Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | North Fork Valley to Galesburg Municipal |
| Gillette-Campbell County (GCC) | Gillette | WY | North Fork Valley to Gillette-Campbell County |
| Grand Coulee Dam (GCD) | Electric City | WA | North Fork Valley to Grand Coulee Dam |
| Garden City Regional (GCK) | Garden City | KS | North Fork Valley to Garden City Regional |
| Grand Canyon National Park (GCN) | Grand Canyon | AZ | North Fork Valley to Grand Canyon National Park |
| Greeneville-Greene County Municipal (GCY) | Greeneville | TN | North Fork Valley to Greeneville-Greene County Municipal |
| Donaldson Field (GDC) | Greenville | SC | North Fork Valley to Donaldson Field |
| Guadalajara/Don Miguel Hidalgo y Costilla (GDL) | Guadalajara | Jal | North Fork Valley to Guadalajara/Don Miguel Hidalgo y Costilla |
| Dawson Community (GDV) | Glendive | MT | North Fork Valley to Dawson Community |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | North Fork Valley to Gladwin Zettel Memorial |
| Delaware Coastal (GED) | Georgetown | DE | North Fork Valley to Delaware Coastal |
| Spokane International (GEG) | Spokane | WA | North Fork Valley to Spokane International |
| South Big Horn County (GEY) | Greybull | WY | North Fork Valley to South Big Horn County |
| Grand Forks International (GFK) | Grand Forks | ND | North Fork Valley to Grand Forks International |
| Floyd Bennett Memorial (GFL) | Glens Falls | NY | North Fork Valley to Floyd Bennett Memorial |
| Georgetown County (GGE) | Georgetown | SC | North Fork Valley to Georgetown County |
| East Texas Regional (GGG) | Longview | TX | North Fork Valley to East Texas Regional |
| Wokal Field/Glasgow International (GGW) | Glasgow | MT | North Fork Valley to Wokal Field/Glasgow International |
| Centerville Municipal (GHM) | Centerville | TN | North Fork Valley to Centerville Municipal |
| Winter Haven Regional (GIF) | Winter Haven | FL | North Fork Valley to Winter Haven Regional |
| Gatlinburg-Pigeon Forge (GKT) | Sevierville | TN | North Fork Valley to Gatlinburg-Pigeon Forge |
| San Carlos Apache (GLB) | Globe | AZ | North Fork Valley to San Carlos Apache |
| Renner Field/Goodland Municipal (GLD) | Goodland | KS | North Fork Valley to Renner Field/Goodland Municipal |
| Gainesville Municipal (GLE) | Gainesville | TX | North Fork Valley to Gainesville Municipal |
| Greenville Mid-Delta (GLH) | Greenville | MS | North Fork Valley to Greenville Mid-Delta |
| Gaylord Regional (GLR) | Gaylord | MI | North Fork Valley to Gaylord Regional |
| Scholes International at Galveston (GLS) | Galveston | TX | North Fork Valley to Scholes International at Galveston |
| Glasgow Municipal (GLW) | Glasgow | KY | North Fork Valley to Glasgow Municipal |
| Greenville Downtown (GMU) | Greenville | SC | North Fork Valley to Greenville Downtown |
| Gansner Field (GNF) | Quincy | CA | North Fork Valley to Gansner Field |
| Gooding Municipal (GNG) | Gooding | ID | North Fork Valley to Gooding Municipal |
| Grants-Milan Municipal (GNT) | Grants | NM | North Fork Valley to Grants-Milan Municipal |
| Gainesville Regional (GNV) | Gainesville | FL | North Fork Valley to Gainesville Regional |
| Guthrie-Edmond Regional (GOK) | Guthrie | OK | North Fork Valley to Guthrie-Edmond Regional |
| Gold Beach Municipal (GOL) | Gold Beach | OR | North Fork Valley to Gold Beach Municipal |
| Gulfport-Biloxi International (GPT) | Gulfport | MS | North Fork Valley to Gulfport-Biloxi International |
| Grand Rapids/Itasca County-Gordon Newstrom Field (GPZ) | Grand Rapids | MN | North Fork Valley to Grand Rapids/Itasca County-Gordon Newstrom Field |
| Austin Straubel International (GRB) | Green Bay | WI | North Fork Valley to Austin Straubel International |
| Greenwood County (GRD) | Greenwood | SC | North Fork Valley to Greenwood County |
| Greenville (GRE) | Greenville | IL | North Fork Valley to Greenville |
| Central Nebraska Regional (GRI) | Grand Island | NE | North Fork Valley to Central Nebraska Regional |
| Killeen/Fort Hood Regional/Robert Gray AAF (GRK) | Killeen | TX | North Fork Valley to Killeen/Fort Hood Regional/Robert Gray AAF |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | North Fork Valley to Grand Marais/Cook County |
| Gordon Municipal (GRN) | Gordon | NE | North Fork Valley to Gordon Municipal |
| Gerald R Ford International (GRR) | Grand Rapids | MI | North Fork Valley to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | North Fork Valley to Goshen Municipal |
| Piedmont Triad International (GSO) | Greensboro | NC | North Fork Valley to Piedmont Triad International |
| Greenville Spartanburg International (GSP) | Greer | SC | North Fork Valley to Greenville Spartanburg International |
| Gustavus (GST) | Gustavus | AK | North Fork Valley to Gustavus |
| Great Falls International (GTF) | Great Falls | MT | North Fork Valley to Great Falls International |
| Grants Pass (GTP) | Grants Pass | OR | North Fork Valley to Grants Pass |
| Golden Triangle Regional (GTR) | Columbus | MS | North Fork Valley to Golden Triangle Regional |
| Jack Edwards National (GUF) | Gulf Shores | AL | North Fork Valley to Jack Edwards National |
| Gallup Municipal (GUP) | Gallup | NM | North Fork Valley to Gallup Municipal |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | North Fork Valley to Grissom Aeroplex/Arb |
| Guymon Municipal (GUY) | Guymon | OK | North Fork Valley to Guymon Municipal |
| Lee Gilmer Memorial (GVL) | Gainesville | GA | North Fork Valley to Lee Gilmer Memorial |
| Majors (GVT) | Greenville | TX | North Fork Valley to Majors |
| Greenwood Leflore (GWO) | Greenwood | MS | North Fork Valley to Greenwood Leflore |
| Greeley-Weld County (GXY) | Greeley | CO | North Fork Valley to Greeley-Weld County |
| Guaymas/Gen Jose Maria Yanez International (GYM) | Guaymas | Son | North Fork Valley to Guaymas/Gen Jose Maria Yanez International |
| Phoenix Goodyear (GYR) | Goodyear | AZ | North Fork Valley to Phoenix Goodyear |
| Gary/Chicago International (GYY) | GARY | IN | North Fork Valley to Gary/Chicago International |
| Marion County-Rankin Fite (HAB) | Hamilton | AL | North Fork Valley to Marion County-Rankin Fite |
| Half Moon Bay (HAF) | Half Moon Bay | CA | North Fork Valley to Half Moon Bay |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | North Fork Valley to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | North Fork Valley to Butler County Regional-Hogan Field |
| Capital City Harrisburg (HAR) | Harrisburg | PA | North Fork Valley to Capital City Harrisburg |
| Hattiesburg Bobby L Chain Municipal (HBG) | Hattiesburg | MS | North Fork Valley to Hattiesburg Bobby L Chain Municipal |
| Holbrook Municipal (HBK) | Holbrook | AZ | North Fork Valley to Holbrook Municipal |
| Hobart Regional (HBR) | Hobart | OK | North Fork Valley to Hobart Regional |
| Big Spring Mc Mahon-Wrinkle (HCA) | Big Spring | TX | North Fork Valley to Big Spring Mc Mahon-Wrinkle |
| Columbia County (HCC) | Hudson | NY | North Fork Valley to Columbia County |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | North Fork Valley to Cheraw Municipal/Lynch Bellinger Field |
| Brewster Field (HDE) | Holdrege | NE | North Fork Valley to Brewster Field |
| Dillingham Airfield (HDH) | Mokuleia | HI | North Fork Valley to Dillingham Airfield |
| Hayden Yampa Valley Regional (HDN) | Hayden | CO | North Fork Valley to Hayden Yampa Valley Regional |
| Thompson-Robbins (HEE) | Helena/West Helena | AR | North Fork Valley to Thompson-Robbins |
| Manassas Regional/Harry P Davis Field (HEF) | Manassas | VA | North Fork Valley to Manassas Regional/Harry P Davis Field |
| Hermiston Municipal (HES) | Hermiston | OR | North Fork Valley to Hermiston Municipal |
| Natchez-Adams County (Hardy-Anders Field) (HEZ) | Natchez | MS | North Fork Valley to Natchez-Adams County (Hardy-Anders Field) |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | North Fork Valley to Richard A Henson Field/Hagerstown Regional |
| Hilton Head (HHH) | Hilton Head Island | SC | North Fork Valley to Hilton Head |
| Hawthorne Municipal/Jack Northrop Field (HHR) | Hawthorne | CA | North Fork Valley to Hawthorne Municipal/Jack Northrop Field |
| Range Regional (HIB) | Hibbing | MN | North Fork Valley to Range Regional |
| Lake Havasu City (HII) | Lake Havasu City | AZ | North Fork Valley to Lake Havasu City |
| Portland/Hillsboro (HIO) | Portland | OR | North Fork Valley to Portland/Hillsboro |
| Blytheville Municipal (HKA) | Blytheville | AR | North Fork Valley to Blytheville Municipal |
| Hawkins Field (HKS) | Jackson | MS | North Fork Valley to Hawkins Field |
| Hickory Regional (HKY) | Hickory | NC | North Fork Valley to Hickory Regional |
| Hill City Municipal (HLC) | Hill City | KS | North Fork Valley to Hill City Municipal |
| Wheeling Ohio County (HLG) | Wheeling | WV | North Fork Valley to Wheeling Ohio County |
| Hollister Municipal (HLI) | Hollister | CA | North Fork Valley to Hollister Municipal |
| Helena Regional (HLN) | Helena | MT | North Fork Valley to Helena Regional |
| Hermosillo/Gen Ignacio P Garcia (HMO) | Hermosillo | Son | North Fork Valley to Hermosillo/Gen Ignacio P Garcia |
| Hemet-Ryan (HMT) | Hemet | CA | North Fork Valley to Hemet-Ryan |
| Huntingburg (HNB) | Huntingburg | IN | North Fork Valley to Huntingburg |
| Billy Mitchell (HNC) | Hatteras | NC | North Fork Valley to Billy Mitchell |
| Hobbs/Lea County Regional (HOB) | Hobbs | NM | North Fork Valley to Hobbs/Lea County Regional |
| Huron Regional (HON) | Huron | SD | North Fork Valley to Huron Regional |
| Memorial Field (HOT) | Hot Springs | AR | North Fork Valley to Memorial Field |
| William P Hobby (HOU) | Houston | TX | North Fork Valley to William P Hobby |
| Westchester County (HPN) | White Plains | NY | North Fork Valley to Westchester County |
| Hampton Municipal (HPT) | Hampton | IA | North Fork Valley to Hampton Municipal |
| Baytown (HPY) | Houston | TX | North Fork Valley to Baytown |
| Bowerman (HQM) | Hoquiam | WA | North Fork Valley to Bowerman |
| Valley International (HRL) | Harlingen | TX | North Fork Valley to Valley International |
| Boone County Regional (HRO) | Harrison | AR | North Fork Valley to Boone County Regional |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | North Fork Valley to Harrisburg-Raleigh |
| Henderson Executive (HSH) | Las Vegas | NV | North Fork Valley to Henderson Executive |
| Hastings Municipal (HSI) | Hastings | NE | North Fork Valley to Hastings Municipal |
| Ingalls Field (HSP) | Hot Springs | VA | North Fork Valley to Ingalls Field |
| Huntsville International/Carl T Jones Field (HSV) | Huntsville | AL | North Fork Valley to Huntsville International/Carl T Jones Field |
| Hawthorne Industrial (HTH) | Hawthorne | NV | North Fork Valley to Hawthorne Industrial |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | North Fork Valley to Roscommon County - Blodgett Memorial |
| East Hampton (JPX) | East Hampton | NY | North Fork Valley to East Hampton |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | North Fork Valley to Tri-State Milton J Ferguson Field |
| Huntsville Municipal (HTV) | Huntsville | TX | North Fork Valley to Huntsville Municipal |
| Humboldt Municipal (HUD) | Humboldt | IA | North Fork Valley to Humboldt Municipal |
| Terre Haute Regional (HUF) | Terre Haute | IN | North Fork Valley to Terre Haute Regional |
| Stan Stamper Municipal (HUJ) | Hugo | OK | North Fork Valley to Stan Stamper Municipal |
| Houma-Terrebonne (HUM) | Houma | LA | North Fork Valley to Houma-Terrebonne |
| Hutchinson Regional (HUT) | Hutchinson | KS | North Fork Valley to Hutchinson Regional |
| Bahias De Huatulco (HUX) | Bahias del Huatulco | Oax | North Fork Valley to Bahias De Huatulco |
| Hanksville (HVE) | Hanksville | UT | North Fork Valley to Hanksville |
| Tweed/New Haven (HVN) | New Haven | CT | North Fork Valley to Tweed/New Haven |
| Havre City-County (HVR) | Havre | MT | North Fork Valley to Havre City-County |
| Hartsville Regional (HVS) | Hartsville | SC | North Fork Valley to Hartsville Regional |
| Hayward Executive (HWD) | Hayward | CA | North Fork Valley to Hayward Executive |
| San Marcos Regional (HYI) | San Marcos | TX | North Fork Valley to San Marcos Regional |
| Sawyer County (HYR) | Hayward | WI | North Fork Valley to Sawyer County |
| Hays Regional (HYS) | Hays | KS | North Fork Valley to Hays Regional |
| Hazleton Regional (HZL) | Hazleton | PA | North Fork Valley to Hazleton Regional |
| Washington Dulles International (IAD) | Washington | VA | North Fork Valley to Washington Dulles International |
| Niagara Falls International (IAG) | Niagara Falls | NY | North Fork Valley to Niagara Falls International |
| George Bush Intercontinental Houston (IAH) | Houston | TX | North Fork Valley to George Bush Intercontinental Houston |
| Schenck Field (ICL) | Clarinda | IA | North Fork Valley to Schenck Field |
| Cascade (ICS) | Cascade | ID | North Fork Valley to Cascade |
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