| Lenawee County (ADG) | Adrian | MI | Greater Portsmouth Regional to Lenawee County |
| Allegheny County (AGC) | Pittsburgh | PA | Greater Portsmouth Regional to Allegheny County |
| Augusta Regional/Bush Field (AGS) | Augusta | GA | Greater Portsmouth Regional to Augusta Regional/Bush Field |
| Athens/Ben Epps (AHN) | Athens | GA | Greater Portsmouth Regional to Athens/Ben Epps |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Greater Portsmouth Regional to Anderson Municipal-Darlington Field |
| Aiken Municipal (AIK) | Aiken | SC | Greater Portsmouth Regional to Aiken Municipal |
| Akron Fulton International (AKC) | Akron | OH | Greater Portsmouth Regional to Akron Fulton International |
| St Louis Regional (ALN) | Alton | IL | Greater Portsmouth Regional to St Louis Regional |
| Gratiot Community (AMN) | Alma | MI | Greater Portsmouth Regional to Gratiot Community |
| Anniston Regional (ANB) | Anniston | AL | Greater Portsmouth Regional to Anniston Regional |
| Anderson Regional (AND) | Anderson | SC | Greater Portsmouth Regional to Anderson Regional |
| Lee (ANP) | Annapolis | MD | Greater Portsmouth Regional to Lee |
| Tri-State Steuben County (ANQ) | Angola | IN | Greater Portsmouth Regional to Tri-State Steuben County |
| Lima Allen County (AOH) | Lima | OH | Greater Portsmouth Regional to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | Greater Portsmouth Regional to Altoona/Blair County |
| Marion County-Brown Field (APT) | Jasper | TN | Greater Portsmouth Regional to Marion County-Brown Field |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Greater Portsmouth Regional to Ann Arbor Municipal |
| Hartsfield Jackson Atlanta International (ATL) | Atlanta | GA | Greater Portsmouth Regional to Hartsfield Jackson Atlanta International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Greater Portsmouth Regional to Gordon K Bush Ohio University |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Greater Portsmouth Regional to Chicago/Aurora Municipal |
| Asheville Regional (AVL) | Asheville | NC | Greater Portsmouth Regional to Asheville Regional |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Greater Portsmouth Regional to Auglaize County Neil Armstrong |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Greater Portsmouth Regional to Kalamazoo/Battle Creek International |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | Greater Portsmouth Regional to Virginia Tech Montgomery Executive |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Greater Portsmouth Regional to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | Greater Portsmouth Regional to Bradford Regional |
| Beaver County (BFP) | Beaver Falls | PA | Greater Portsmouth Regional to Beaver County |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Greater Portsmouth Regional to Virgil I Grissom Municipal |
| Wayne County (BJJ) | Wooster | OH | Greater Portsmouth Regional to Wayne County |
| Burke Lakefront (BKL) | Cleveland | OH | Greater Portsmouth Regional to Burke Lakefront |
| Allen C Perkinson Blackstone Army Air Field (BKT) | Blackstone | VA | Greater Portsmouth Regional to Allen C Perkinson Blackstone Army Air Field |
| Raleigh County Memorial (BKW) | Beckley | WV | Greater Portsmouth Regional to Raleigh County Memorial |
| Mercer County (BLF) | Bluefield | WV | Greater Portsmouth Regional to Mercer County |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Greater Portsmouth Regional to MidAmerica St Louis Scott AFB |
| Monroe County (BMG) | Bloomington | IN | Greater Portsmouth Regional to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Greater Portsmouth Regional to Central Illinois Regional at Bloomington Normal |
| Nashville International (BNA) | Nashville | TN | Greater Portsmouth Regional to Nashville International |
| Barnwell Regional (BNL) | Barnwell | SC | Greater Portsmouth Regional to Barnwell Regional |
| Samuels Field (BRY) | Bardstown | KY | Greater Portsmouth Regional to Samuels Field |
| W K Kellogg Regional (BTL) | Battle Creek | MI | Greater Portsmouth Regional to W K Kellogg Regional |
| Marlboro County Jetport - H.E. Avent Field (BTN) | Bennettsville | SC | Greater Portsmouth Regional to Marlboro County Jetport - H.E. Avent Field |
| Butler County/K W Scholter Field (BTP) | Butler | PA | Greater Portsmouth Regional to Butler County/K W Scholter Field |
| Buffalo Niagara International (BUF) | Buffalo | NY | Greater Portsmouth Regional to Buffalo Niagara International |
| Bowling Green Warren County Regional (BWG) | Bowling Green | KY | Greater Portsmouth Regional to Bowling Green Warren County Regional |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Greater Portsmouth Regional to Baltimore/Washington Intl Thurgood Marshall |
| Wexford County (CAD) | Cadillac | MI | Greater Portsmouth Regional to Wexford County |
| Columbia Metropolitan (CAE) | Columbia | SC | Greater Portsmouth Regional to Columbia Metropolitan |
| Akron/Canton Regional (CAK) | Akron | OH | Greater Portsmouth Regional to Akron/Canton Regional |
| Greater Cumberland Regional (CBE) | Cumberland | MD | Greater Portsmouth Regional to Greater Cumberland Regional |
| Woodward Field (CDN) | Camden | SC | Greater Portsmouth Regional to Woodward Field |
| Oconee County Regional (CEU) | Clemson | SC | Greater Portsmouth Regional to Oconee County Regional |
| Mettel Field (CEV) | Connersville | IN | Greater Portsmouth Regional to Mettel Field |
| Kyle-Oakley Field (CEY) | Murray | KY | Greater Portsmouth Regional to Kyle-Oakley Field |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Greater Portsmouth Regional to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | Greater Portsmouth Regional to Cuyahoga County |
| Cape Girardeau Regional (CGI) | Cape Girardeau | MO | Greater Portsmouth Regional to Cape Girardeau Regional |
| College Park Airport (CGS) | College Park | MD | Greater Portsmouth Regional to College Park Airport |
| Lovell Field (CHA) | Chattanooga | TN | Greater Portsmouth Regional to Lovell Field |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | Greater Portsmouth Regional to Charlottesville Albemarle |
| Cairo Regional (CIR) | Cairo | IL | Greater Portsmouth Regional to Cairo Regional |
| North Central West Virginia (CKB) | Clarksburg | WV | Greater Portsmouth Regional to North Central West Virginia |
| Outlaw Field (CKV) | Clarksville | TN | Greater Portsmouth Regional to Outlaw Field |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Greater Portsmouth Regional to Cleveland/Hopkins International |
| Charlotte Douglas International (CLT) | Charlotte | NC | Greater Portsmouth Regional to Charlotte Douglas International |
| Columbus Municipal (CLU) | Columbus | IN | Greater Portsmouth Regional to Columbus Municipal |
| John Glenn International (CMH) | Columbus | OH | Greater Portsmouth Regional to John Glenn International |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Greater Portsmouth Regional to University of Illinois-Willard |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Greater Portsmouth Regional to St Louis Downtown |
| Yeager (CRW) | Charleston | WV | Greater Portsmouth Regional to Yeager |
| Crossville Memorial/Whitson Field (CSV) | Crossville | TN | Greater Portsmouth Regional to Crossville Memorial/Whitson Field |
| Chester County G O Carlson (CTH) | Coatesville | PA | Greater Portsmouth Regional to Chester County G O Carlson |
| Clinton-Sampson County (CTZ) | Clinton | NC | Greater Portsmouth Regional to Clinton-Sampson County |
| Jim Hamilton L.B. Owens (CUB) | Columbia | SC | Greater Portsmouth Regional to Jim Hamilton L.B. Owens |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Greater Portsmouth Regional to Cincinnati Northern Kentucky International |
| Burlington Executive (CZB) | Burlington | ON | Greater Portsmouth Regional to Burlington Executive |
| Danville Regional (DAN) | Danville | VA | Greater Portsmouth Regional to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | Greater Portsmouth Regional to Dayton International James M Cox |
| Pryor Field Regional (DCU) | Decatur | AL | Greater Portsmouth Regional to Pryor Field Regional |
| Decatur (DEC) | Decatur | IL | Greater Portsmouth Regional to Decatur |
| Coleman A Young Municipal (DET) | Detroit | MI | Greater Portsmouth Regional to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Greater Portsmouth Regional to Defiance Memorial |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | Greater Portsmouth Regional to Chautauqua County/Dunkirk |
| Dillon County Airport (DLL) | Dillon | SD | Greater Portsmouth Regional to Dillon County Airport |
| Daniel Field (DNL) | Augusta | GA | Greater Portsmouth Regional to Daniel Field |
| Dalton Municipal (DNN) | Dalton | GA | Greater Portsmouth Regional to Dalton Municipal |
| Vermilion Regional (DNV) | Danville | IL | Greater Portsmouth Regional to Vermilion Regional |
| Dover AFB (DOV) | Dover | DE | Greater Portsmouth Regional to Dover AFB |
| Dupage (DPA) | Chicago | IL | Greater Portsmouth Regional to Dupage |
| Dansville Municipal (DSV) | Dansville | NY | Greater Portsmouth Regional to Dansville Municipal |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Greater Portsmouth Regional to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | Greater Portsmouth Regional to Dunnville |
| Dubois Regional (DUJ) | DuBois | PA | Greater Portsmouth Regional to Dubois Regional |
| Iosco County (ECA) | East Tawas | MI | Greater Portsmouth Regional to Iosco County |
| Northeastern Regional (EDE) | Edenton | NC | Greater Portsmouth Regional to Northeastern Regional |
| Elkhart Municipal (EKI) | Elkhart | IN | Greater Portsmouth Regional to Elkhart Municipal |
| Elkins/Randolph County (EKN) | Elkins | WV | Greater Portsmouth Regional to Elkins/Randolph County |
| Addington Field (EKX) | Elizabethtown | KY | Greater Portsmouth Regional to Addington Field |
| Elmira/Corning Regional (ELM) | Elmira | NY | Greater Portsmouth Regional to Elmira/Corning Regional |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Greater Portsmouth Regional to Wellsville Municipal/Tarantine Field |
| Centralia Municipal (ENL) | Centralia | IL | Greater Portsmouth Regional to Centralia Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Greater Portsmouth Regional to Kenosha Regional |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Greater Portsmouth Regional to Erie International/Tom Ridge Field |
| Easton/Newnam Field (ESN) | Easton | MD | Greater Portsmouth Regional to Easton/Newnam Field |
| Evansville Regional (EVV) | Evansville | IN | Greater Portsmouth Regional to Evansville Regional |
| Fayetteville Regional/Grannis Field (FAY) | Fayetteville | NC | Greater Portsmouth Regional to Fayetteville Regional/Grannis Field |
| Frederick Municipal (FDK) | Frederick | MD | Greater Portsmouth Regional to Frederick Municipal |
| Findlay (FDY) | Findlay | OH | Greater Portsmouth Regional to Findlay |
| Capital City (FFT) | Frankfort | KY | Greater Portsmouth Regional to Capital City |
| Venango Regional (FKL) | Franklin | PA | Greater Portsmouth Regional to Venango Regional |
| Franklin Municipal-John Beverly Rose (FKN) | Franklin | VA | Greater Portsmouth Regional to Franklin Municipal-John Beverly Rose |
| Florence Regional (FLO) | Florence | SC | Greater Portsmouth Regional to Florence Regional |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Greater Portsmouth Regional to Fort Meade (Odenton) Tipton |
| Bishop International (FNT) | Flint | MI | Greater Portsmouth Regional to Bishop International |
| French Lick Municipal (FRH) | French Lick | IN | Greater Portsmouth Regional to French Lick Municipal |
| Front Royal-Warren County (FRR) | Front Royal | VA | Greater Portsmouth Regional to Front Royal-Warren County |
| Fulton County/Brown Field (FTY) | Atlanta | GA | Greater Portsmouth Regional to Fulton County/Brown Field |
| Fort Wayne International (FWA) | Fort Wayne | IN | Greater Portsmouth Regional to Fort Wayne International |
| Fayetteville Municipal (FYM) | Fayetteville | TN | Greater Portsmouth Regional to Fayetteville Municipal |
| Northeast Alabama Regional (GAD) | Gadsden | AL | Greater Portsmouth Regional to Northeast Alabama Regional |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Greater Portsmouth Regional to Montgomery County Airpark |
| Greeneville-Greene County Municipal (GCY) | Greeneville | TN | Greater Portsmouth Regional to Greeneville-Greene County Municipal |
| Donaldson Field (GDC) | Greenville | SC | Greater Portsmouth Regional to Donaldson Field |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Greater Portsmouth Regional to Gladwin Zettel Memorial |
| Centerville Municipal (GHM) | Centerville | TN | Greater Portsmouth Regional to Centerville Municipal |
| Gatlinburg-Pigeon Forge (GKT) | Sevierville | TN | Greater Portsmouth Regional to Gatlinburg-Pigeon Forge |
| Glasgow Municipal (GLW) | Glasgow | KY | Greater Portsmouth Regional to Glasgow Municipal |
| Greenville Downtown (GMU) | Greenville | SC | Greater Portsmouth Regional to Greenville Downtown |
| Galion Municipal (GQQ) | Galion | OH | Greater Portsmouth Regional to Galion Municipal |
| Greenwood County (GRD) | Greenwood | SC | Greater Portsmouth Regional to Greenwood County |
| Greenville (GRE) | Greenville | IL | Greater Portsmouth Regional to Greenville |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Greater Portsmouth Regional to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Greater Portsmouth Regional to Goshen Municipal |
| Piedmont Triad International (GSO) | Greensboro | NC | Greater Portsmouth Regional to Piedmont Triad International |
| Greenville Spartanburg International (GSP) | Greer | SC | Greater Portsmouth Regional to Greenville Spartanburg International |
| Gettysburg Regional (GTY) | Gettysburg | PA | Greater Portsmouth Regional to Gettysburg Regional |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Greater Portsmouth Regional to Grissom Aeroplex/Arb |
| Gordonsville Municipal Airport (GVE) | Gordonsville | VA | Greater Portsmouth Regional to Gordonsville Municipal Airport |
| Lee Gilmer Memorial (GVL) | Gainesville | GA | Greater Portsmouth Regional to Lee Gilmer Memorial |
| Gary/Chicago International (GYY) | GARY | IN | Greater Portsmouth Regional to Gary/Chicago International |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Greater Portsmouth Regional to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Greater Portsmouth Regional to Butler County Regional-Hogan Field |
| Capital City Harrisburg (HAR) | Harrisburg | PA | Greater Portsmouth Regional to Capital City Harrisburg |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | Greater Portsmouth Regional to Cheraw Municipal/Lynch Bellinger Field |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Greater Portsmouth Regional to Richard A Henson Field/Hagerstown Regional |
| Hickory Regional (HKY) | Hickory | NC | Greater Portsmouth Regional to Hickory Regional |
| Wheeling Ohio County (HLG) | Wheeling | WV | Greater Portsmouth Regional to Wheeling Ohio County |
| Park Township (HLM) | Holland | MI | Greater Portsmouth Regional to Park Township |
| Huntingburg (HNB) | Huntingburg | IN | Greater Portsmouth Regional to Huntingburg |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | Greater Portsmouth Regional to Harrisburg-Raleigh |
| Ingalls Field (HSP) | Hot Springs | VA | Greater Portsmouth Regional to Ingalls Field |
| Huntsville International/Carl T Jones Field (HSV) | Huntsville | AL | Greater Portsmouth Regional to Huntsville International/Carl T Jones Field |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Greater Portsmouth Regional to Roscommon County - Blodgett Memorial |
| Terre Haute Regional/Hulman Field (HUF) | Terre Haute | IN | Greater Portsmouth Regional to Terre Haute Regional/Hulman Field |
| Hartsville Regional (HVS) | Hartsville | SC | Greater Portsmouth Regional to Hartsville Regional |
| Hazleton Regional (HZL) | Hazleton | PA | Greater Portsmouth Regional to Hazleton Regional |
| Washington Dulles International (IAD) | Washington | VA | Greater Portsmouth Regional to Washington Dulles International |
| Niagara Falls International (IAG) | Niagara Falls | NY | Greater Portsmouth Regional to Niagara Falls International |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Greater Portsmouth Regional to Indiana County/Jimmy Stewart Field |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Greater Portsmouth Regional to Jacksonville Municipal |
| Wilkes County (IKB) | N Wilkesboro | NC | Greater Portsmouth Regional to Wilkes County |
| Greater Kankakee (IKK) | Kankakee | IL | Greater Portsmouth Regional to Greater Kankakee |
| Wilmington/New Castle (ILG) | Wilmington | DE | Greater Portsmouth Regional to Wilmington/New Castle |
| Wilmington Airpark (ILN) | Wilmington | OH | Greater Portsmouth Regional to Wilmington Airpark |
| Indianapolis International (IND) | Indianapolis | IN | Greater Portsmouth Regional to Indianapolis International |
| Smith Reynolds (INT) | Winston-Salem | NC | Greater Portsmouth Regional to Smith Reynolds |
| Williamsport Regional (IPT) | Williamsport | PA | Greater Portsmouth Regional to Williamsport Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Greater Portsmouth Regional to Kirsch Municipal |
| Kinston Regional Jetport Stallings Field (ISO) | Kinston | NC | Greater Portsmouth Regional to Kinston Regional Jetport Stallings Field |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Greater Portsmouth Regional to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Greater Portsmouth Regional to Chautauqua County/Jamestown |
| Joliet Regional Airport (JOT) | Joliet | IL | Greater Portsmouth Regional to Joliet Regional Airport |
| John Murtha Johnstown/Cambria County (JST) | Johnstown | PA | Greater Portsmouth Regional to John Murtha Johnstown/Cambria County |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Greater Portsmouth Regional to Jackson County/Reynolds Field |
| Kentland Municipal (KKT) | Kentland | IN | Greater Portsmouth Regional to Kentland Municipal |
| Purdue University (LAF) | Lafayette | IN | Greater Portsmouth Regional to Purdue University |
| Capital Region International (LAN) | Lansing | MI | Greater Portsmouth Regional to Capital Region International |
| Arnold Palmer Regional (LBE) | Latrobe | PA | Greater Portsmouth Regional to Arnold Palmer Regional |
| Lumberton Regional (LBT) | Lumberton | NC | Greater Portsmouth Regional to Lumberton Regional |
| Rickenbacker International (LCK) | Columbus | OH | Greater Portsmouth Regional to Rickenbacker International |
| Mason County (LDM) | Ludington | MI | Greater Portsmouth Regional to Mason County |
| Blue Grass (LEX) | Lexington | KY | Greater Portsmouth Regional to Blue Grass |
| Triangle North Executive (LFN) | Louisburg | NC | Greater Portsmouth Regional to Triangle North Executive |
| William T. Piper Memorial (LHV) | Lock Haven | PA | Greater Portsmouth Regional to William T. Piper Memorial |
| Willoughby Lost Nation Municipal (LNN) | Willoughby | OH | Greater Portsmouth Regional to Willoughby Lost Nation Municipal |
| Lonesome Pine (LNP) | Wise | VA | Greater Portsmouth Regional to Lonesome Pine |
| Lancaster (LNS) | Lancaster | PA | Greater Portsmouth Regional to Lancaster |
| Lewis University Chicago Romeoville (LOT) | Chicago/Romeoville | IL | Greater Portsmouth Regional to Lewis University Chicago Romeoville |
| Bowman Field (LOU) | Louisville | KY | Greater Portsmouth Regional to Bowman Field |
| Louisa County/Freeman Field (LOW) | Louisa | VA | Greater Portsmouth Regional to Louisa County/Freeman Field |
| London Corbin Magee Field (LOZ) | London | KY | Greater Portsmouth Regional to London Corbin Magee Field |
| La Porte Municipal (LPO) | La Porte | IN | Greater Portsmouth Regional to La Porte Municipal |
| Pickens County (LQK) | Pickens | SC | Greater Portsmouth Regional to Pickens County |
| St. Mary's County Regional (LTW) | Leonardtown | MD | Greater Portsmouth Regional to St. Mary's County Regional |
| Cincinnati Municipal Lunken (LUK) | Cincinnati | OH | Greater Portsmouth Regional to Cincinnati Municipal Lunken |
| Lawrenceville/Brunswick Municipal (LVL) | Lawrenceville | VA | Greater Portsmouth Regional to Lawrenceville/Brunswick Municipal |
| Greenbrier Valley (LWB) | Lewisburg | WV | Greater Portsmouth Regional to Greenbrier Valley |
| Lawrenceville-Vincennes International (LWV) | Lawrenceville | IL | Greater Portsmouth Regional to Lawrenceville-Vincennes International |
| Lynchburg Regional/Preston Glenn Field (LYH) | Lynchburg | VA | Greater Portsmouth Regional to Lynchburg Regional/Preston Glenn Field |
| Briscoe Field/Gwinnett County (LZU) | Lawrenceville | GA | Greater Portsmouth Regional to Briscoe Field/Gwinnett County |
| Mbs International (MBS) | Saginaw | MI | Greater Portsmouth Regional to Mbs International |
| Southern Illinois (MDH) | Carbondale/Murphysboro | IL | Greater Portsmouth Regional to Southern Illinois |
| Madison Municipal (MDN) | Madison | IN | Greater Portsmouth Regional to Madison Municipal |
| Harrisburg International (MDT) | Harrisburg | PA | Greater Portsmouth Regional to Harrisburg International |
| Chicago Midway International (MDW) | Chicago | IL | Greater Portsmouth Regional to Chicago Midway International |
| Port Meadville (MEJ) | Meadville | PA | Greater Portsmouth Regional to Port Meadville |
| Mansfield Lahm Regional (MFD) | Mansfield | OH | Greater Portsmouth Regional to Mansfield Lahm Regional |
| Accomack County (MFV) | Melfa | VA | Greater Portsmouth Regional to Accomack County |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Greater Portsmouth Regional to Michigan City Municipal-Phillips Field |
| Morgantown Municipal Walter L Bill Hart Field (MGW) | Morgantown | WV | Greater Portsmouth Regional to Morgantown Municipal Walter L Bill Hart Field |
| Dayton-Wright Brothers (MGY) | Dayton | OH | Greater Portsmouth Regional to Dayton-Wright Brothers |
| Delaware County Regional (MIE) | Muncie | IN | Greater Portsmouth Regional to Delaware County Regional |
| Milwaukee General Mitchell International (MKE) | Milwaukee | WI | Greater Portsmouth Regional to Milwaukee General Mitchell International |
| Muskegon County (MKG) | Muskegon | MI | Greater Portsmouth Regional to Muskegon County |
| Mckellar Sipes Regional (MKL) | Jackson | TN | Greater Portsmouth Regional to Mckellar Sipes Regional |
| Baldwin County (MLJ) | Milledgeville | GA | Greater Portsmouth Regional to Baldwin County |
| Mcminn County (MMI) | Athens | TN | Greater Portsmouth Regional to Mcminn County |
| Marion Municipal (MNN) | Marion | OH | Greater Portsmouth Regional to Marion Municipal |
| Manassas Regional/Harry P Davis Field (MNZ) | Manassas | VA | Greater Portsmouth Regional to Manassas Regional/Harry P Davis Field |
| Mount Pleasant Municipal (MOP) | Mount Pleasant | MI | Greater Portsmouth Regional to Mount Pleasant Municipal |
| Moore-Murrell (MOR) | Morristown | TN | Greater Portsmouth Regional to Moore-Murrell |
| Smyrna (MQY) | Smyrna | TN | Greater Portsmouth Regional to Smyrna |
| Eastern West Virginia Regional/Shepherd Field (MRB) | Martinsburg | WV | Greater Portsmouth Regional to Eastern West Virginia Regional/Shepherd Field |
| Maury County (MRC) | Columbia | TN | Greater Portsmouth Regional to Maury County |
| Foothills Regional (MRN) | Morganton | NC | Greater Portsmouth Regional to Foothills Regional |
| Northwest Alabama Regional (MSL) | Muscle Shoals | AL | Greater Portsmouth Regional to Northwest Alabama Regional |
| Martin State (MTN) | Baltimore | MD | Greater Portsmouth Regional to Martin State |
| Coles County Memorial (MTO) | Mattoon/Charleston | IL | Greater Portsmouth Regional to Coles County Memorial |
| Mount Vernon (MVN) | Mount Vernon | IL | Greater Portsmouth Regional to Mount Vernon |
| Williamson County Rgnl (MWA) | Marion | IL | Greater Portsmouth Regional to Williamson County Rgnl |
| Lawrence J Timmerman (MWC) | Milwaukee | WI | Greater Portsmouth Regional to Lawrence J Timmerman |
| Middletown Regional - Hook Field (MWO) | Middletown | OH | Greater Portsmouth Regional to Middletown Regional - Hook Field |
| Laurinburg-Maxton (MXE) | Maxton | NC | Greater Portsmouth Regional to Laurinburg-Maxton |
| Marion Municipal (MZZ) | Marion | IN | Greater Portsmouth Regional to Marion Municipal |
| Jerry Tyler Memorial (NLE) | Niles | MI | Greater Portsmouth Regional to Jerry Tyler Memorial |
| Niagara Central (NQ3) | Welland | ON | Greater Portsmouth Regional to Niagara Central |
| Toronto/Markham (NU8) | Markham | | Greater Portsmouth Regional to Toronto/Markham |
| Albert J Ellis (OAJ) | Jacksonville | NC | Greater Portsmouth Regional to Albert J Ellis |
| Washington-Warren (OCW) | Washington | NC | Greater Portsmouth Regional to Washington-Warren |
| Garrett County (ODM) | Oakland | MD | Greater Portsmouth Regional to Garrett County |
| Orangeburg Municipal (OGB) | Orangeburg | SC | Greater Portsmouth Regional to Orangeburg Municipal |
| Kokomo Municipal (OKK) | Kokomo | IN | Greater Portsmouth Regional to Kokomo Municipal |
| Cattaraugus County-Olean Municipal (OLE) | Olean | NY | Greater Portsmouth Regional to Cattaraugus County-Olean Municipal |
| Olney-Noble (OLY) | Olney-Noble | IL | Greater Portsmouth Regional to Olney-Noble |
| Chicago O'hare International (ORD) | Chicago | IL | Greater Portsmouth Regional to Chicago O'hare International |
| Norfolk International (ORF) | Norfolk | VA | Greater Portsmouth Regional to Norfolk International |
| Oscoda-Wurtsmith (OSC) | Oscoda | MI | Greater Portsmouth Regional to Oscoda-Wurtsmith |
| Ohio State University (OSU) | Columbus | OH | Greater Portsmouth Regional to Ohio State University |
| Owensboro-Daviess County Regional (OWB) | Owensboro | KY | Greater Portsmouth Regional to Owensboro-Daviess County Regional |
| Miami University (OXD) | Oxford | OH | Greater Portsmouth Regional to Miami University |
| Barkley Regional (PAH) | Paducah | KY | Greater Portsmouth Regional to Barkley Regional |
| Dekalb/Peachtree (PDK) | Atlanta | GA | Greater Portsmouth Regional to Dekalb/Peachtree |
| Cambridge/Reid's Field (PE4) | Cambridge | ON | Greater Portsmouth Regional to Cambridge/Reid's Field |
| Grant County (PGC) | Petersburg | WV | Greater Portsmouth Regional to Grant County |
| Pitt-Greenville (PGV) | Greenville | NC | Greater Portsmouth Regional to Pitt-Greenville |
| Harry Clever Field (PHD) | New Philadelphia | OH | Greater Portsmouth Regional to Harry Clever Field |
| Newport News/Williamsburg Intl/Patrick Henry Field (PHF) | Newport News | VA | Greater Portsmouth Regional to Newport News/Williamsburg Intl/Patrick Henry Field |
| St Clair County International (PHN) | Port Huron | MI | Greater Portsmouth Regional to St Clair County International |
| Henry County (PHT) | Paris | TN | Greater Portsmouth Regional to Henry County |
| Gen Wayne A Downing Peoria International (PIA) | Peoria | IL | Greater Portsmouth Regional to Gen Wayne A Downing Peoria International |
| Pittsburgh International (PIT) | Pittsburgh | PA | Greater Portsmouth Regional to Pittsburgh International |
| Mid Ohio Valley Regional (PKB) | Parkersburg | WV | Greater Portsmouth Regional to Mid Ohio Valley Regional |
| Plymouth Municipal (PLY) | Plymouth | IN | Greater Portsmouth Regional to Plymouth Municipal |
| Wingham/Richard W Levan (PR7) | Wingham | ON | Greater Portsmouth Regional to Wingham/Richard W Levan |
| Mid-State (PSB) | Philipsburg | PA | Greater Portsmouth Regional to Mid-State |
| New River Valley (PSK) | Dublin | VA | Greater Portsmouth Regional to New River Valley |
| Dinwiddie County (PTB) | Petersburg | VA | Greater Portsmouth Regional to Dinwiddie County |
| Oakland County International (PTK) | Pontiac | MI | Greater Portsmouth Regional to Oakland County International |
| Heritage Field (PTW) | Pottstown | PA | Greater Portsmouth Regional to Heritage Field |
| Chicago Executive (PWK) | Chicago | IL | Greater Portsmouth Regional to Chicago Executive |
| Wilgrove Air Park (QWG) | Charlotte | NC | Greater Portsmouth Regional to Wilgrove Air Park |
| Batten International (RAC) | Racine | WI | Greater Portsmouth Regional to Batten International |
| Fulton County (RCR) | Rochester | IN | Greater Portsmouth Regional to Fulton County |
| Nartron Field (RCT) | Reed City | MI | Greater Portsmouth Regional to Nartron Field |
| Reading Regional/Carl A Spaatz Field (RDG) | Reading | PA | Greater Portsmouth Regional to Reading Regional/Carl A Spaatz Field |
| Raleigh-Durham International (RDU) | Raleigh/Durham | NC | Greater Portsmouth Regional to Raleigh-Durham International |
| Mifflin County (RED) | Reedsville | PA | Greater Portsmouth Regional to Mifflin County |
| Chicago/Rockford International (RFD) | Rockford | IL | Greater Portsmouth Regional to Chicago/Rockford International |
| Richmond International (RIC) | Richmond | VA | Greater Portsmouth Regional to Richmond International |
| Richmond Municipal (RID) | Richmond | IN | Greater Portsmouth Regional to Richmond Municipal |
| Rock Hill/York County/Bryant Field (RKH) | Rock Hill | SC | Greater Portsmouth Regional to Rock Hill/York County/Bryant Field |
| Rockwood Municipal (RKW) | Rockwood | TN | Greater Portsmouth Regional to Rockwood Municipal |
| Richard B Russell Regional/J H Towers Field (RMG) | Rome | GA | Greater Portsmouth Regional to Richard B Russell Regional/J H Towers Field |
| Warren County Memorial (RNC) | McMinnville | TN | Greater Portsmouth Regional to Warren County Memorial |
| Jasper County (RNZ) | Rensselaer | IN | Greater Portsmouth Regional to Jasper County |
| Roanoke Regional/Woodrum Field (ROA) | Roanoke | VA | Greater Portsmouth Regional to Roanoke Regional/Woodrum Field |
| Greater Rochester International (ROC) | Rochester | NY | Greater Portsmouth Regional to Greater Rochester International |
| Rocky Mount - Wilson (RWI) | Rocky Mount | NC | Greater Portsmouth Regional to Rocky Mount - Wilson |
| Sparta Community - Hunter Field (SAR) | Sparta | IL | Greater Portsmouth Regional to Sparta Community - Hunter Field |
| South Bend International (SBN) | South Bend | IN | Greater Portsmouth Regional to South Bend International |
| Salisbury Ocean City/Wicomico Regional (SBY) | Salisbury | MD | Greater Portsmouth Regional to Salisbury Ocean City/Wicomico Regional |
| University Park (SCE) | State College | PA | Greater Portsmouth Regional to University Park |
| Louisville International/Standiford Field (SDF) | Louisville | KY | Greater Portsmouth Regional to Louisville International/Standiford Field |
| Penn Valley (SEG) | Selinsgrove | PA | Greater Portsmouth Regional to Penn Valley |
| Freeman Municipal (SER) | Seymour | IN | Greater Portsmouth Regional to Freeman Municipal |
| Springfield/Beckley Municipal (SGH) | Springfield | OH | Greater Portsmouth Regional to Springfield/Beckley Municipal |
| Shenandoah Valley Regional (SHD) | Staunton | VA | Greater Portsmouth Regional to Shenandoah Valley Regional |
| Sikeston Memorial Municipal (SIK) | Sikeston | MO | Greater Portsmouth Regional to Sikeston Memorial Municipal |
| Sullivan County (SIV) | Sullivan | IN | Greater Portsmouth Regional to Sullivan County |
| Salem-Leckrone (SLO) | Salem | IL | Greater Portsmouth Regional to Salem-Leckrone |
| Smith Field (SMD) | Fort Wayne | IN | Greater Portsmouth Regional to Smith Field |
| Lake Cumberland Regional (SME) | Somerset | KY | Greater Portsmouth Regional to Lake Cumberland Regional |
| Moore County (SOP) | Pinehurst | NC | Greater Portsmouth Regional to Moore County |
| Spartanburg Downtown Memorial (SPA) | Spartanburg | SC | Greater Portsmouth Regional to Spartanburg Downtown Memorial |
| Abraham Lincoln Capital (SPI) | Springfield | IL | Greater Portsmouth Regional to Abraham Lincoln Capital |
| Salisbury/Rowan County (SRW) | Salisbury | NC | Greater Portsmouth Regional to Salisbury/Rowan County |
| St Marys Municipal (STQ) | St Marys | PA | Greater Portsmouth Regional to St Marys Municipal |
| Sumter (SUM) | Sumter | SC | Greater Portsmouth Regional to Sumter |
| Statesville Regional (SVH) | Statesville | NC | Greater Portsmouth Regional to Statesville Regional |
| Shelbyville Municipal/Bomar Field (SYI) | Shelbyville | TN | Greater Portsmouth Regional to Shelbyville Municipal/Bomar Field |
| Toledo Executive (TDZ) | Toledo | OH | Greater Portsmouth Regional to Toledo Executive |
| Tullahoma Regional/William Northern Field (THA) | Tullahoma | TN | Greater Portsmouth Regional to Tullahoma Regional/William Northern Field |
| York (THV) | York | PA | Greater Portsmouth Regional to York |
| Toccoa Regional Letourneau Field (TOC) | Toccoa | GA | Greater Portsmouth Regional to Toccoa Regional Letourneau Field |
| Toledo Express (TOL) | Toledo | OH | Greater Portsmouth Regional to Toledo Express |
| Tri-Cities Regional Tn/Va (TRI) | Bristol/Johnson/Kingsport | TN | Greater Portsmouth Regional to Tri-Cities Regional Tn/Va |
| Mcghee Tyson (TYS) | Knoxville | TN | Greater Portsmouth Regional to Mcghee Tyson |
| Tuscola Area (TZC) | Caro | MI | Greater Portsmouth Regional to Tuscola Area |
| Everett-Stewart Regional (UCY) | Union City | TN | Greater Portsmouth Regional to Everett-Stewart Regional |
| Waukesha County (UES) | Waukesha | WI | Greater Portsmouth Regional to Waukesha County |
| Chicago/Waukegan Regional (UGN) | Chicago | IL | Greater Portsmouth Regional to Chicago/Waukegan Regional |
| Franklin County (UOS) | Sewanee | TN | Greater Portsmouth Regional to Franklin County |
| Union County Troy Shelton Field (USC) | Union | SC | Greater Portsmouth Regional to Union County Troy Shelton Field |
| Virginia Highlands (VJI) | Abingdon | VA | Greater Portsmouth Regional to Virginia Highlands |
| Vandalia Municipal (VLA) | Vandalia | IL | Greater Portsmouth Regional to Vandalia Municipal |
| Porter County Regional (VPZ) | Valparaiso | IN | Greater Portsmouth Regional to Porter County Regional |
| Walter A Duncan Field/Illinois Valley Regional (VYS) | Peru | IL | Greater Portsmouth Regional to Walter A Duncan Field/Illinois Valley Regional |
| Greene County (WAY) | Waynesburg | PA | Greater Portsmouth Regional to Greene County |
| West Branch Community (WBK) | West Branch | MI | Greater Portsmouth Regional to West Branch Community |
| Roben-Hood (WBR) | Big Rapids | MI | Greater Portsmouth Regional to Roben-Hood |
| Barrow County (WDR) | Winder | GA | Greater Portsmouth Regional to Barrow County |
| Winchester Regional (WGO) | Winchester | VA | Greater Portsmouth Regional to Winchester Regional |
| Washington County (WSG) | Washington | PA | Greater Portsmouth Regional to Washington County |
| Grand Geneva Resort (XES) | Lake Geneva | WI | Greater Portsmouth Regional to Grand Geneva Resort |
| Brantford Municipal (XFV) | Brantford | ON | Greater Portsmouth Regional to Brantford Municipal |
| Grimsby Airpark (XGY) | Grimsby | ON | Greater Portsmouth Regional to Grimsby Airpark |
| Brampton (XPN) | Brampton | ON | Greater Portsmouth Regional to Brampton |
| Centralia/James T Field Memorial (YCE) | Centralia | ON | Greater Portsmouth Regional to Centralia/James T Field Memorial |
| Chatham-Kent Municipal (YCK) | Chatham | ON | Greater Portsmouth Regional to Chatham-Kent Municipal |
| Niagara District (YCM) | St Catharines | ON | Greater Portsmouth Regional to Niagara District |
| Goderich (YGD) | Goderich | ON | Greater Portsmouth Regional to Goderich |
| John C Munro Hamilton International (YHM) | Hamilton | ON | Greater Portsmouth Regional to John C Munro Hamilton International |
| Saugeen Municipal (YHS) | Hanover | ON | Greater Portsmouth Regional to Saugeen Municipal |
| Willow Run (YIP) | Detroit | MI | Greater Portsmouth Regional to Willow Run |
| Kincardine (YKD) | Kincardine | ON | Greater Portsmouth Regional to Kincardine |
| Youngstown/Warren Regional (YNG) | Youngstown | OH | Greater Portsmouth Regional to Youngstown/Warren Regional |
| Pelee Island (YPT) | Pelee Island | ON | Greater Portsmouth Regional to Pelee Island |
| Windsor (YQG) | Windsor | ON | Greater Portsmouth Regional to Windsor |
| St Thomas Municipal (YQS) | St Thomas | ON | Greater Portsmouth Regional to St Thomas Municipal |
| Stratford Municipal (YSA) | Stratford | ON | Greater Portsmouth Regional to Stratford Municipal |
| Billy Bishop Toronto City (YTZ) | Toronto | ON | Greater Portsmouth Regional to Billy Bishop Toronto City |
| London (YXU) | London | ON | Greater Portsmouth Regional to London |
| Toronto Lester B Pearson International (YYZ) | Toronto | ON | Greater Portsmouth Regional to Toronto Lester B Pearson International |
| Sarnia/Chris Hadfield (YZR) | Sarnia | ON | Greater Portsmouth Regional to Sarnia/Chris Hadfield |
| Zanesville Municipal (ZZV) | Zanesville | OH | Greater Portsmouth Regional to Zanesville Municipal |
