| Lehigh Valley International (ABE) | Allentown | PA | Pittsburgh International to Lehigh Valley International |
| Antrim County (ACB) | Bellaire | MI | Pittsburgh International to Antrim County |
| Atlantic City International (ACY) | Atlantic City | NJ | Pittsburgh International to Atlantic City International |
| Lenawee County (ADG) | Adrian | MI | Pittsburgh International to Lenawee County |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Pittsburgh International to Anderson Municipal-Darlington Field |
| Akron Fulton International (AKC) | Akron | OH | Pittsburgh International to Akron Fulton International |
| Albany International (ALB) | Albany | NY | Pittsburgh International to Albany International |
| Gratiot Community (AMN) | Alma | MI | Pittsburgh International to Gratiot Community |
| Lee (ANP) | Annapolis | MD | Pittsburgh International to Lee |
| Tri-State Steuben County (ANQ) | Angola | IN | Pittsburgh International to Tri-State Steuben County |
| Lima Allen County (AOH) | Lima | OH | Pittsburgh International to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | Pittsburgh International to Altoona/Blair County |
| Alpena County Regional (APN) | Alpena | MI | Pittsburgh International to Alpena County Regional |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Pittsburgh International to Ann Arbor Municipal |
| Watertown International (ART) | Watertown | NY | Pittsburgh International to Watertown International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Pittsburgh International to Gordon K Bush Ohio University |
| Asheville Regional (AVL) | Asheville | NC | Pittsburgh International to Asheville Regional |
| Wilkes-Barre/Scranton International (AVP) | Scranton | PA | Pittsburgh International to Wilkes-Barre/Scranton International |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Pittsburgh International to Auglaize County Neil Armstrong |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Pittsburgh International to Kalamazoo/Battle Creek International |
| Wings Field (BBX) | Philadelphia | PA | Pittsburgh International to Wings Field |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | Pittsburgh International to Virginia Tech Montgomery Executive |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | Pittsburgh International to Igor I Sikorsky Memorial |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Pittsburgh International to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | Pittsburgh International to Bradford Regional |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Pittsburgh International to Virgil I Grissom Municipal |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | Pittsburgh International to Greater Binghamton Edwin A Link Field |
| Wayne County (BJJ) | Wooster | OH | Pittsburgh International to Wayne County |
| Burke Lakefront (BKL) | Cleveland | OH | Pittsburgh International to Burke Lakefront |
| Allen C Perkinson Blackstone Army Air Field (BKT) | Blackstone | VA | Pittsburgh International to Allen C Perkinson Blackstone Army Air Field |
| Raleigh County Memorial (BKW) | Beckley | WV | Pittsburgh International to Raleigh County Memorial |
| Mercer County (BLF) | Bluefield | WV | Pittsburgh International to Mercer County |
| Monmouth Executive (BLM) | Belmar | NJ | Pittsburgh International to Monmouth Executive |
| Monroe County (BMG) | Bloomington | IN | Pittsburgh International to Monroe County |
| Samuels Field (BRY) | Bardstown | KY | Pittsburgh International to Samuels Field |
| W K Kellogg Regional (BTL) | Battle Creek | MI | Pittsburgh International to W K Kellogg Regional |
| Buffalo Niagara International (BUF) | Buffalo | NY | Pittsburgh International to Buffalo Niagara International |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Pittsburgh International to Baltimore/Washington Intl Thurgood Marshall |
| Wexford County (CAD) | Cadillac | MI | Pittsburgh International to Wexford County |
| Akron/Canton Regional (CAK) | Akron | OH | Pittsburgh International to Akron/Canton Regional |
| Greater Cumberland Regional (CBE) | Cumberland | MD | Pittsburgh International to Greater Cumberland Regional |
| Essex County (CDW) | Caldwell | NJ | Pittsburgh International to Essex County |
| Mettel Field (CEV) | Connersville | IN | Pittsburgh International to Mettel Field |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Pittsburgh International to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | Pittsburgh International to Cuyahoga County |
| College Park Airport (CGS) | College Park | MD | Pittsburgh International to College Park Airport |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | Pittsburgh International to Charlottesville Albemarle |
| North Central West Virginia (CKB) | Clarksburg | WV | Pittsburgh International to North Central West Virginia |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Pittsburgh International to Cleveland/Hopkins International |
| Charlotte Douglas International (CLT) | Charlotte | NC | Pittsburgh International to Charlotte Douglas International |
| Columbus Municipal (CLU) | Columbus | IN | Pittsburgh International to Columbus Municipal |
| John Glenn International (CMH) | Columbus | OH | Pittsburgh International to John Glenn International |
| Yeager (CRW) | Charleston | WV | Pittsburgh International to Yeager |
| Chester County G O Carlson (CTH) | Coatesville | PA | Pittsburgh International to Chester County G O Carlson |
| Cortland County-Chase Field (CTX) | Cortland | NY | Pittsburgh International to Cortland County-Chase Field |
| Clinton-Sampson County (CTZ) | Clinton | NC | Pittsburgh International to Clinton-Sampson County |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Pittsburgh International to Cincinnati Northern Kentucky International |
| Burlington Executive (CZB) | Burlington | ON | Pittsburgh International to Burlington Executive |
| Danville Regional (DAN) | Danville | VA | Pittsburgh International to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | Pittsburgh International to Dayton International James M Cox |
| Coleman A Young Municipal (DET) | Detroit | MI | Pittsburgh International to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Pittsburgh International to Defiance Memorial |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | Pittsburgh International to Chautauqua County/Dunkirk |
| Vermilion Regional (DNV) | Danville | IL | Pittsburgh International to Vermilion Regional |
| Dover AFB (DOV) | Dover | DE | Pittsburgh International to Dover AFB |
| Dansville Municipal (DSV) | Dansville | NY | Pittsburgh International to Dansville Municipal |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Pittsburgh International to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | Pittsburgh International to Dunnville |
| Pine Island Airport (DUF) | Corolla | NC | Pittsburgh International to Pine Island Airport |
| Dubois Regional (DUJ) | DuBois | PA | Pittsburgh International to Dubois Regional |
| Danbury Municipal (DXR) | Danbury | CT | Pittsburgh International to Danbury Municipal |
| Doylestown (DYL) | Doylestown | PA | Pittsburgh International to Doylestown |
| Iosco County (ECA) | East Tawas | MI | Pittsburgh International to Iosco County |
| Elizabeth City Regional & Coast Guard Station (ECG) | Elizabeth City | NC | Pittsburgh International to Elizabeth City Regional & Coast Guard Station |
| Northeastern Regional (EDE) | Edenton | NC | Pittsburgh International to Northeastern Regional |
| Elkhart Municipal (EKI) | Elkhart | IN | Pittsburgh International to Elkhart Municipal |
| Elkins/Randolph County (EKN) | Elkins | WV | Pittsburgh International to Elkins/Randolph County |
| Addington Field (EKX) | Elizabethtown | KY | Pittsburgh International to Addington Field |
| Elmira/Corning Regional (ELM) | Elmira | NY | Pittsburgh International to Elmira/Corning Regional |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Pittsburgh International to Wellsville Municipal/Tarantine Field |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Pittsburgh International to Erie International/Tom Ridge Field |
| Easton/Newnam Field (ESN) | Easton | MD | Pittsburgh International to Easton/Newnam Field |
| Stroudsburg-Pocono (ESP) | East Stroudsburg | PA | Pittsburgh International to Stroudsburg-Pocono |
| Newark Liberty International (EWR) | Newark | NJ | Pittsburgh International to Newark Liberty International |
| Fayetteville Regional/Grannis Field (FAY) | Fayetteville | NC | Pittsburgh International to Fayetteville Regional/Grannis Field |
| Frederick Municipal (FDK) | Frederick | MD | Pittsburgh International to Frederick Municipal |
| Findlay (FDY) | Findlay | OH | Pittsburgh International to Findlay |
| First Flight (FFA) | Kill Devil Hills | NC | Pittsburgh International to First Flight |
| Capital City (FFT) | Frankfort | KY | Pittsburgh International to Capital City |
| Venango Regional (FKL) | Franklin | PA | Pittsburgh International to Venango Regional |
| Franklin Municipal-John Beverly Rose (FKN) | Franklin | VA | Pittsburgh International to Franklin Municipal-John Beverly Rose |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Pittsburgh International to Fort Meade (Odenton) Tipton |
| Bishop International (FNT) | Flint | MI | Pittsburgh International to Bishop International |
| Francis S Gabreski (FOK) | Westhampton Beach | NY | Pittsburgh International to Francis S Gabreski |
| Republic Long Island (FRG) | Farmingdale | NY | Pittsburgh International to Republic Long Island |
| French Lick Municipal (FRH) | French Lick | IN | Pittsburgh International to French Lick Municipal |
| Front Royal-Warren County (FRR) | Front Royal | VA | Pittsburgh International to Front Royal-Warren County |
| Fort Wayne International (FWA) | Fort Wayne | IN | Pittsburgh International to Fort Wayne International |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Pittsburgh International to Montgomery County Airpark |
| Greeneville-Greene County Municipal (GCY) | Greeneville | TN | Pittsburgh International to Greeneville-Greene County Municipal |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Pittsburgh International to Gladwin Zettel Memorial |
| Delaware Coastal (GED) | Georgetown | DE | Pittsburgh International to Delaware Coastal |
| Floyd Bennett Memorial (GFL) | Glens Falls | NY | Pittsburgh International to Floyd Bennett Memorial |
| Gatlinburg-Pigeon Forge (GKT) | Sevierville | TN | Pittsburgh International to Gatlinburg-Pigeon Forge |
| Gaylord Regional (GLR) | Gaylord | MI | Pittsburgh International to Gaylord Regional |
| Glasgow Municipal (GLW) | Glasgow | KY | Pittsburgh International to Glasgow Municipal |
| Galion Municipal (GQQ) | Galion | OH | Pittsburgh International to Galion Municipal |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Pittsburgh International to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Pittsburgh International to Goshen Municipal |
| Piedmont Triad International (GSO) | Greensboro | NC | Pittsburgh International to Piedmont Triad International |
| Gettysburg Regional (GTY) | Gettysburg | PA | Pittsburgh International to Gettysburg Regional |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Pittsburgh International to Grissom Aeroplex/Arb |
| Gordonsville Municipal Airport (GVE) | Gordonsville | VA | Pittsburgh International to Gordonsville Municipal Airport |
| Gary/Chicago International (GYY) | GARY | IN | Pittsburgh International to Gary/Chicago International |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Pittsburgh International to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Pittsburgh International to Butler County Regional-Hogan Field |
| Capital City Harrisburg (HAR) | Harrisburg | PA | Pittsburgh International to Capital City Harrisburg |
| Columbia County (HCC) | Hudson | NY | Pittsburgh International to Columbia County |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | Pittsburgh International to Cheraw Municipal/Lynch Bellinger Field |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Pittsburgh International to Richard A Henson Field/Hagerstown Regional |
| Hickory Regional (HKY) | Hickory | NC | Pittsburgh International to Hickory Regional |
| Park Township (HLM) | Holland | MI | Pittsburgh International to Park Township |
| Huntingburg (HNB) | Huntingburg | IN | Pittsburgh International to Huntingburg |
| Westchester County (HPN) | White Plains | NY | Pittsburgh International to Westchester County |
| Ingalls Field (HSP) | Hot Springs | VA | Pittsburgh International to Ingalls Field |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Pittsburgh International to Roscommon County - Blodgett Memorial |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Pittsburgh International to Tri-State Milton J Ferguson Field |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Pittsburgh International to Lawrence County Airpark |
| Terre Haute Regional/Hulman Field (HUF) | Terre Haute | IN | Pittsburgh International to Terre Haute Regional/Hulman Field |
| Tweed/New Haven (HVN) | New Haven | CT | Pittsburgh International to Tweed/New Haven |
| Hazleton Regional (HZL) | Hazleton | PA | Pittsburgh International to Hazleton Regional |
| Washington Dulles International (IAD) | Washington | VA | Pittsburgh International to Washington Dulles International |
| Niagara Falls International (IAG) | Niagara Falls | NY | Pittsburgh International to Niagara Falls International |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Pittsburgh International to Indiana County/Jimmy Stewart Field |
| Wilkes County (IKB) | N Wilkesboro | NC | Pittsburgh International to Wilkes County |
| Greater Kankakee (IKK) | Kankakee | IL | Pittsburgh International to Greater Kankakee |
| Wilmington/New Castle (ILG) | Wilmington | DE | Pittsburgh International to Wilmington/New Castle |
| Wilmington Airpark (ILN) | Wilmington | OH | Pittsburgh International to Wilmington Airpark |
| Indianapolis International (IND) | Indianapolis | IN | Pittsburgh International to Indianapolis International |
| Smith Reynolds (INT) | Winston-Salem | NC | Pittsburgh International to Smith Reynolds |
| Williamsport Regional (IPT) | Williamsport | PA | Pittsburgh International to Williamsport Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Pittsburgh International to Kirsch Municipal |
| Kinston Regional Jetport Stallings Field (ISO) | Kinston | NC | Pittsburgh International to Kinston Regional Jetport Stallings Field |
| Long Island Macarthur (ISP) | Islip | NY | Pittsburgh International to Long Island Macarthur |
| Ithaca Tompkins Regional (ITH) | Ithaca | NY | Pittsburgh International to Ithaca Tompkins Regional |
| New York/John F Kennedy International (JFK) | New York | NY | Pittsburgh International to New York/John F Kennedy International |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Pittsburgh International to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Pittsburgh International to Chautauqua County/Jamestown |
| John Murtha Johnstown/Cambria County (JST) | Johnstown | PA | Pittsburgh International to John Murtha Johnstown/Cambria County |
| Central Jersey Regional (JVI) | Manville | NJ | Pittsburgh International to Central Jersey Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Pittsburgh International to Jackson County/Reynolds Field |
| Kentland Municipal (KKT) | Kentland | IN | Pittsburgh International to Kentland Municipal |
| Purdue University (LAF) | Lafayette | IN | Pittsburgh International to Purdue University |
| Capital Region International (LAN) | Lansing | MI | Pittsburgh International to Capital Region International |
| Arnold Palmer Regional (LBE) | Latrobe | PA | Pittsburgh International to Arnold Palmer Regional |
| Rickenbacker International (LCK) | Columbus | OH | Pittsburgh International to Rickenbacker International |
| Linden (LDJ) | Linden | NJ | Pittsburgh International to Linden |
| Mason County (LDM) | Ludington | MI | Pittsburgh International to Mason County |
| Blue Grass (LEX) | Lexington | KY | Pittsburgh International to Blue Grass |
| Triangle North Executive (LFN) | Louisburg | NC | Pittsburgh International to Triangle North Executive |
| La Guardia (LGA) | New York | NY | Pittsburgh International to La Guardia |
| William T. Piper Memorial (LHV) | Lock Haven | PA | Pittsburgh International to William T. Piper Memorial |
| South Jersey Regional (LLY) | Mount Holly | NJ | Pittsburgh International to South Jersey Regional |
| Willoughby Lost Nation Municipal (LNN) | Willoughby | OH | Pittsburgh International to Willoughby Lost Nation Municipal |
| Lonesome Pine (LNP) | Wise | VA | Pittsburgh International to Lonesome Pine |
| Lancaster (LNS) | Lancaster | PA | Pittsburgh International to Lancaster |
| Bowman Field (LOU) | Louisville | KY | Pittsburgh International to Bowman Field |
| Louisa County/Freeman Field (LOW) | Louisa | VA | Pittsburgh International to Louisa County/Freeman Field |
| London Corbin Magee Field (LOZ) | London | KY | Pittsburgh International to London Corbin Magee Field |
| La Porte Municipal (LPO) | La Porte | IN | Pittsburgh International to La Porte Municipal |
| St. Mary's County Regional (LTW) | Leonardtown | MD | Pittsburgh International to St. Mary's County Regional |
| Cincinnati Municipal Lunken (LUK) | Cincinnati | OH | Pittsburgh International to Cincinnati Municipal Lunken |
| Lawrenceville/Brunswick Municipal (LVL) | Lawrenceville | VA | Pittsburgh International to Lawrenceville/Brunswick Municipal |
| Greenbrier Valley (LWB) | Lewisburg | WV | Pittsburgh International to Greenbrier Valley |
| Lynchburg Regional/Preston Glenn Field (LYH) | Lynchburg | VA | Pittsburgh International to Lynchburg Regional/Preston Glenn Field |
| Manistee County-Blacker (MBL) | Manistee | MI | Pittsburgh International to Manistee County-Blacker |
| Mbs International (MBS) | Saginaw | MI | Pittsburgh International to Mbs International |
| Madison Municipal (MDN) | Madison | IN | Pittsburgh International to Madison Municipal |
| Harrisburg International (MDT) | Harrisburg | PA | Pittsburgh International to Harrisburg International |
| Chicago Midway International (MDW) | Chicago | IL | Pittsburgh International to Chicago Midway International |
| Port Meadville (MEJ) | Meadville | PA | Pittsburgh International to Port Meadville |
| Dare County Regional (MEO) | Manteo | NC | Pittsburgh International to Dare County Regional |
| Mansfield Lahm Regional (MFD) | Mansfield | OH | Pittsburgh International to Mansfield Lahm Regional |
| Accomack County (MFV) | Melfa | VA | Pittsburgh International to Accomack County |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Pittsburgh International to Michigan City Municipal-Phillips Field |
| Orange County (MGJ) | Montgomery | NY | Pittsburgh International to Orange County |
| Morgantown Municipal Walter L Bill Hart Field (MGW) | Morgantown | WV | Pittsburgh International to Morgantown Municipal Walter L Bill Hart Field |
| Dayton-Wright Brothers (MGY) | Dayton | OH | Pittsburgh International to Dayton-Wright Brothers |
| Delaware County Regional (MIE) | Muncie | IN | Pittsburgh International to Delaware County Regional |
| Millville Municipal (MIV) | Millville | NJ | Pittsburgh International to Millville Municipal |
| Ocean County (MJX) | Toms River | NJ | Pittsburgh International to Ocean County |
| Muskegon County (MKG) | Muskegon | MI | Pittsburgh International to Muskegon County |
| Morristown Municipal (MMU) | Morristown | NJ | Pittsburgh International to Morristown Municipal |
| Marion Municipal (MNN) | Marion | OH | Pittsburgh International to Marion Municipal |
| Manassas Regional/Harry P Davis Field (MNZ) | Manassas | VA | Pittsburgh International to Manassas Regional/Harry P Davis Field |
| Mount Pleasant Municipal (MOP) | Mount Pleasant | MI | Pittsburgh International to Mount Pleasant Municipal |
| Moore-Murrell (MOR) | Morristown | TN | Pittsburgh International to Moore-Murrell |
| Pocono Mountains Municipal (MPO) | Mount Pocono | PA | Pittsburgh International to Pocono Mountains Municipal |
| Eastern West Virginia Regional/Shepherd Field (MRB) | Martinsburg | WV | Pittsburgh International to Eastern West Virginia Regional/Shepherd Field |
| Foothills Regional (MRN) | Morganton | NC | Pittsburgh International to Foothills Regional |
| Sullivan County International (MSV) | Monticello | NY | Pittsburgh International to Sullivan County International |
| Martin State (MTN) | Baltimore | MD | Pittsburgh International to Martin State |
| Middletown Regional - Hook Field (MWO) | Middletown | OH | Pittsburgh International to Middletown Regional - Hook Field |
| Laurinburg-Maxton (MXE) | Maxton | NC | Pittsburgh International to Laurinburg-Maxton |
| Marion Municipal (MZZ) | Marion | IN | Pittsburgh International to Marion Municipal |
| Haliburton/Stanhope Muni (ND4) | Haliburton | | Pittsburgh International to Haliburton/Stanhope Muni |
| Lindsay (NF4) | Lindsay | ON | Pittsburgh International to Lindsay |
| Jerry Tyler Memorial (NLE) | Niles | MI | Pittsburgh International to Jerry Tyler Memorial |
| Arnprior Municipal (NP3) | Arnprior | ON | Pittsburgh International to Arnprior Municipal |
| Niagara Central (NQ3) | Welland | ON | Pittsburgh International to Niagara Central |
| Tobermory (NR4) | Tobermory | ON | Pittsburgh International to Tobermory |
| Toronto/Markham (NU8) | Markham | | Pittsburgh International to Toronto/Markham |
| Collingwood (NY3) | Collingwood | ON | Pittsburgh International to Collingwood |
| Ocean City Municipal (OCE) | Ocean City | MD | Pittsburgh International to Ocean City Municipal |
| Washington-Warren (OCW) | Washington | NC | Pittsburgh International to Washington-Warren |
| Garrett County (ODM) | Oakland | MD | Pittsburgh International to Garrett County |
| Ogdensburg International (OGS) | Ogdensburg | NY | Pittsburgh International to Ogdensburg International |
| Lt Warren Eaton (OIC) | Norwich | NY | Pittsburgh International to Lt Warren Eaton |
| Kokomo Municipal (OKK) | Kokomo | IN | Pittsburgh International to Kokomo Municipal |
| Cattaraugus County-Olean Municipal (OLE) | Olean | NY | Pittsburgh International to Cattaraugus County-Olean Municipal |
| Oneonta Municipal (ONH) | Oneonta | NY | Pittsburgh International to Oneonta Municipal |
| Norfolk International (ORF) | Norfolk | VA | Pittsburgh International to Norfolk International |
| Oscoda-Wurtsmith (OSC) | Oscoda | MI | Pittsburgh International to Oscoda-Wurtsmith |
| Ohio State University (OSU) | Columbus | OH | Pittsburgh International to Ohio State University |
| Waterbury/Oxford (OXC) | Oxford | CT | Pittsburgh International to Waterbury/Oxford |
| Miami University (OXD) | Oxford | OH | Pittsburgh International to Miami University |
| Princeton (PCT) | Princeton | NJ | Pittsburgh International to Princeton |
| Cambridge/Reid's Field (PE4) | Cambridge | ON | Pittsburgh International to Cambridge/Reid's Field |
| Grant County (PGC) | Petersburg | WV | Pittsburgh International to Grant County |
| Pitt-Greenville (PGV) | Greenville | NC | Pittsburgh International to Pitt-Greenville |
| Harry Clever Field (PHD) | New Philadelphia | OH | Pittsburgh International to Harry Clever Field |
| Newport News/Williamsburg Intl/Patrick Henry Field (PHF) | Newport News | VA | Pittsburgh International to Newport News/Williamsburg Intl/Patrick Henry Field |
| Philadelphia International (PHL) | Philadelphia | PA | Pittsburgh International to Philadelphia International |
| St Clair County International (PHN) | Port Huron | MI | Pittsburgh International to St Clair County International |
| Mid Ohio Valley Regional (PKB) | Parkersburg | WV | Pittsburgh International to Mid Ohio Valley Regional |
| Plymouth Municipal (PLY) | Plymouth | IN | Pittsburgh International to Plymouth Municipal |
| Greater Portsmouth Regional (PMH) | Portsmouth | OH | Pittsburgh International to Greater Portsmouth Regional |
| Northeast Philadelphia (PNE) | Philadelphia | PA | Pittsburgh International to Northeast Philadelphia |
| Hudson Valley Regional (POU) | Poughkeepsie | NY | Pittsburgh International to Hudson Valley Regional |
| Wingham/Richard W Levan (PR7) | Wingham | ON | Pittsburgh International to Wingham/Richard W Levan |
| Mid-State (PSB) | Philipsburg | PA | Pittsburgh International to Mid-State |
| Pittsfield Municipal (PSF) | Pittsfield | MA | Pittsburgh International to Pittsfield Municipal |
| New River Valley (PSK) | Dublin | VA | Pittsburgh International to New River Valley |
| Killarney (PT2) | Killarney | ON | Pittsburgh International to Killarney |
| Dinwiddie County (PTB) | Petersburg | VA | Pittsburgh International to Dinwiddie County |
| Oakland County International (PTK) | Pontiac | MI | Pittsburgh International to Oakland County International |
| Heritage Field (PTW) | Pottstown | PA | Pittsburgh International to Heritage Field |
| Tyendinaga/Mohawk (PU6) | Tyendinaga | ON | Pittsburgh International to Tyendinaga/Mohawk |
| Wilgrove Air Park (QWG) | Charlotte | NC | Pittsburgh International to Wilgrove Air Park |
| Fulton County (RCR) | Rochester | IN | Pittsburgh International to Fulton County |
| Nartron Field (RCT) | Reed City | MI | Pittsburgh International to Nartron Field |
| Reading Regional/Carl A Spaatz Field (RDG) | Reading | PA | Pittsburgh International to Reading Regional/Carl A Spaatz Field |
| Raleigh-Durham International (RDU) | Raleigh/Durham | NC | Pittsburgh International to Raleigh-Durham International |
| Mifflin County (RED) | Reedsville | PA | Pittsburgh International to Mifflin County |
| Richmond International (RIC) | Richmond | VA | Pittsburgh International to Richmond International |
| Richmond Municipal (RID) | Richmond | IN | Pittsburgh International to Richmond Municipal |
| Rock Hill/York County/Bryant Field (RKH) | Rock Hill | SC | Pittsburgh International to Rock Hill/York County/Bryant Field |
| Rockwood Municipal (RKW) | Rockwood | TN | Pittsburgh International to Rockwood Municipal |
| Griffiss International (RME) | Rome | NY | Pittsburgh International to Griffiss International |
| Jasper County (RNZ) | Rensselaer | IN | Pittsburgh International to Jasper County |
| Roanoke Regional/Woodrum Field (ROA) | Roanoke | VA | Pittsburgh International to Roanoke Regional/Woodrum Field |
| Greater Rochester International (ROC) | Rochester | NY | Pittsburgh International to Greater Rochester International |
| Rocky Mount - Wilson (RWI) | Rocky Mount | NC | Pittsburgh International to Rocky Mount - Wilson |
| South Bend International (SBN) | South Bend | IN | Pittsburgh International to South Bend International |
| Salisbury Ocean City/Wicomico Regional (SBY) | Salisbury | MD | Pittsburgh International to Salisbury Ocean City/Wicomico Regional |
| University Park (SCE) | State College | PA | Pittsburgh International to University Park |
| Schenectady County (SCH) | Schenectady | NY | Pittsburgh International to Schenectady County |
| Louisville International/Standiford Field (SDF) | Louisville | KY | Pittsburgh International to Louisville International/Standiford Field |
| Penn Valley (SEG) | Selinsgrove | PA | Pittsburgh International to Penn Valley |
| Freeman Municipal (SER) | Seymour | IN | Pittsburgh International to Freeman Municipal |
| Springfield/Beckley Municipal (SGH) | Springfield | OH | Pittsburgh International to Springfield/Beckley Municipal |
| Shenandoah Valley Regional (SHD) | Staunton | VA | Pittsburgh International to Shenandoah Valley Regional |
| Sullivan County (SIV) | Sullivan | IN | Pittsburgh International to Sullivan County |
| Smith Field (SMD) | Fort Wayne | IN | Pittsburgh International to Smith Field |
| Lake Cumberland Regional (SME) | Somerset | KY | Pittsburgh International to Lake Cumberland Regional |
| Moore County (SOP) | Pinehurst | NC | Pittsburgh International to Moore County |
| Spartanburg Downtown Memorial (SPA) | Spartanburg | SC | Pittsburgh International to Spartanburg Downtown Memorial |
| Salisbury/Rowan County (SRW) | Salisbury | NC | Pittsburgh International to Salisbury/Rowan County |
| St Marys Municipal (STQ) | St Marys | PA | Pittsburgh International to St Marys Municipal |
| Statesville Regional (SVH) | Statesville | NC | Pittsburgh International to Statesville Regional |
| Stewart International (SWF) | Newburgh | NY | Pittsburgh International to Stewart International |
| Sidney Municipal (SXY) | Sidney | NY | Pittsburgh International to Sidney Municipal |
| Syracuse Hancock International (SYR) | Syracuse | NY | Pittsburgh International to Syracuse Hancock International |
| Toledo Executive (TDZ) | Toledo | OH | Pittsburgh International to Toledo Executive |
| Teterboro (TEB) | Teterboro | NJ | Pittsburgh International to Teterboro |
| York (THV) | York | PA | Pittsburgh International to York |
| Toledo Express (TOL) | Toledo | OH | Pittsburgh International to Toledo Express |
| Tri-Cities Regional Tn/Va (TRI) | Bristol/Johnson/Kingsport | TN | Pittsburgh International to Tri-Cities Regional Tn/Va |
| Trenton Mercer (TTN) | Trenton | NJ | Pittsburgh International to Trenton Mercer |
| Cherry Capital (TVC) | Traverse City | MI | Pittsburgh International to Cherry Capital |
| Mcghee Tyson (TYS) | Knoxville | TN | Pittsburgh International to Mcghee Tyson |
| Tuscola Area (TZC) | Caro | MI | Pittsburgh International to Tuscola Area |
| Quakertown (UKT) | Quakertown | PA | Pittsburgh International to Quakertown |
| Virginia Highlands (VJI) | Abingdon | VA | Pittsburgh International to Virginia Highlands |
| Porter County Regional (VPZ) | Valparaiso | IN | Pittsburgh International to Porter County Regional |
| West Branch Community (WBK) | West Branch | MI | Pittsburgh International to West Branch Community |
| Roben-Hood (WBR) | Big Rapids | MI | Pittsburgh International to Roben-Hood |
| Wilkes-Barre Wyoming Valley (WBW) | Wilkes-Barre | PA | Pittsburgh International to Wilkes-Barre Wyoming Valley |
| Winchester Regional (WGO) | Winchester | VA | Pittsburgh International to Winchester Regional |
| Brookhaven (WSH) | Shirley | NY | Pittsburgh International to Brookhaven |
| Wildwood/Cape May County (WWD) | Wildwood | NJ | Pittsburgh International to Wildwood/Cape May County |
| Brockville Regional Tackaberry (XBR) | Brockville | ON | Pittsburgh International to Brockville Regional Tackaberry |
| Brantford Municipal (XFV) | Brantford | ON | Pittsburgh International to Brantford Municipal |
| Grimsby Airpark (XGY) | Grimsby | ON | Pittsburgh International to Grimsby Airpark |
| Brampton (XPN) | Brampton | ON | Pittsburgh International to Brampton |
| Centralia/James T Field Memorial (YCE) | Centralia | ON | Pittsburgh International to Centralia/James T Field Memorial |
| Chatham-Kent Municipal (YCK) | Chatham | ON | Pittsburgh International to Chatham-Kent Municipal |
| Niagara District (YCM) | St Catharines | ON | Pittsburgh International to Niagara District |
| Midland/Huronia (YEE) | Midland | ON | Pittsburgh International to Midland/Huronia |
| Manitowaning Manitoulin East Municipal (YEM) | Manitowaning | ON | Pittsburgh International to Manitowaning Manitoulin East Municipal |
| Goderich (YGD) | Goderich | ON | Pittsburgh International to Goderich |
| Kingston (YGK) | Kingston | ON | Pittsburgh International to Kingston |
| John C Munro Hamilton International (YHM) | Hamilton | ON | Pittsburgh International to John C Munro Hamilton International |
| Saugeen Municipal (YHS) | Hanover | ON | Pittsburgh International to Saugeen Municipal |
| Willow Run (YIP) | Detroit | MI | Pittsburgh International to Willow Run |
| Kincardine (YKD) | Kincardine | ON | Pittsburgh International to Kincardine |
| Lake Simcoe Regional (YLS) | Barrie-Orillia | ON | Pittsburgh International to Lake Simcoe Regional |
| Youngstown/Warren Regional (YNG) | Youngstown | OH | Pittsburgh International to Youngstown/Warren Regional |
| Oshawa (YOO) | Oshawa | ON | Pittsburgh International to Oshawa |
| Owen Sound - Billy Bishop Regional (YOS) | Owen Sound | ON | Pittsburgh International to Owen Sound - Billy Bishop Regional |
| Parry Sound Area Municipal (YPD) | Parry Sound | ON | Pittsburgh International to Parry Sound Area Municipal |
| Peterborough (YPQ) | Peterborough | ON | Pittsburgh International to Peterborough |
| Pelee Island (YPT) | Pelee Island | ON | Pittsburgh International to Pelee Island |
| Muskoka (YQA) | Gravenhurst | ON | Pittsburgh International to Muskoka |
| Windsor (YQG) | Windsor | ON | Pittsburgh International to Windsor |
| St Thomas Municipal (YQS) | St Thomas | ON | Pittsburgh International to St Thomas Municipal |
| Ottawa/Carp (YRP) | Ottawa | ON | Pittsburgh International to Ottawa/Carp |
| Stratford Municipal (YSA) | Stratford | ON | Pittsburgh International to Stratford Municipal |
| Smiths Falls Montague/Russ Beach (YSH) | Smiths Falls | ON | Pittsburgh International to Smiths Falls Montague/Russ Beach |
| Pembroke (YTA) | Pembroke | ON | Pittsburgh International to Pembroke |
| Trenton (YTR) | Trenton | ON | Pittsburgh International to Trenton |
| Billy Bishop Toronto City (YTZ) | Toronto | ON | Pittsburgh International to Billy Bishop Toronto City |
| Wiarton (YVV) | Wiarton | ON | Pittsburgh International to Wiarton |
| London (YXU) | London | ON | Pittsburgh International to London |
| Toronto Lester B Pearson International (YYZ) | Toronto | ON | Pittsburgh International to Toronto Lester B Pearson International |
| Gore Bay Manitoulin (YZE) | Gore Bay | ON | Pittsburgh International to Gore Bay Manitoulin |
| Sarnia/Chris Hadfield (YZR) | Sarnia | ON | Pittsburgh International to Sarnia/Chris Hadfield |
| Zanesville Municipal (ZZV) | Zanesville | OH | Pittsburgh International to Zanesville Municipal |
