| Lehigh Valley International (ABE) | Allentown | PA | Niagara Central to Lehigh Valley International |
| Antrim County (ACB) | Bellaire | MI | Niagara Central to Antrim County |
| Atlantic City International (ACY) | Atlantic City | NJ | Niagara Central to Atlantic City International |
| Lenawee County (ADG) | Adrian | MI | Niagara Central to Lenawee County |
| Jaffrey Silver Ranch (AFN) | Jaffrey | NH | Niagara Central to Jaffrey Silver Ranch |
| Allegheny County (AGC) | Pittsburgh | PA | Niagara Central to Allegheny County |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Niagara Central to Anderson Municipal-Darlington Field |
| Akron Fulton International (AKC) | Akron | OH | Niagara Central to Akron Fulton International |
| Albany International (ALB) | Albany | NY | Niagara Central to Albany International |
| Gratiot Community (AMN) | Alma | MI | Niagara Central to Gratiot Community |
| Lee (ANP) | Annapolis | MD | Niagara Central to Lee |
| Tri-State Steuben County (ANQ) | Angola | IN | Niagara Central to Tri-State Steuben County |
| Lima Allen County (AOH) | Lima | OH | Niagara Central to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | Niagara Central to Altoona/Blair County |
| Alpena County Regional (APN) | Alpena | MI | Niagara Central to Alpena County Regional |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Niagara Central to Ann Arbor Municipal |
| Watertown International (ART) | Watertown | NY | Niagara Central to Watertown International |
| Nashua-Boire Field (ASH) | Nashua | NH | Niagara Central to Nashua-Boire Field |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Niagara Central to Gordon K Bush Ohio University |
| Wilkes-Barre/Scranton International (AVP) | Scranton | PA | Niagara Central to Wilkes-Barre/Scranton International |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Niagara Central to Auglaize County Neil Armstrong |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Niagara Central to Kalamazoo/Battle Creek International |
| Barnes Municipal (BAF) | Westfield | MA | Niagara Central to Barnes Municipal |
| Wings Field (BBX) | Philadelphia | PA | Niagara Central to Wings Field |
| Bradley International (BDL) | Windsor Locks | CT | Niagara Central to Bradley International |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | Niagara Central to Igor I Sikorsky Memorial |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Niagara Central to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | Niagara Central to Bradford Regional |
| Beaver County (BFP) | Beaver Falls | PA | Niagara Central to Beaver County |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | Niagara Central to Greater Binghamton Edwin A Link Field |
| Wayne County (BJJ) | Wooster | OH | Niagara Central to Wayne County |
| Burke Lakefront (BKL) | Cleveland | OH | Niagara Central to Burke Lakefront |
| Raleigh County Memorial (BKW) | Beckley | WV | Niagara Central to Raleigh County Memorial |
| Monmouth Executive (BLM) | Belmar | NJ | Niagara Central to Monmouth Executive |
| W K Kellogg Regional (BTL) | Battle Creek | MI | Niagara Central to W K Kellogg Regional |
| Butler County/K W Scholter Field (BTP) | Butler | PA | Niagara Central to Butler County/K W Scholter Field |
| Burlington International (BTV) | Burlington | VT | Niagara Central to Burlington International |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Niagara Central to Baltimore/Washington Intl Thurgood Marshall |
| Wexford County (CAD) | Cadillac | MI | Niagara Central to Wexford County |
| Akron/Canton Regional (CAK) | Akron | OH | Niagara Central to Akron/Canton Regional |
| Greater Cumberland Regional (CBE) | Cumberland | MD | Niagara Central to Greater Cumberland Regional |
| Essex County (CDW) | Caldwell | NJ | Niagara Central to Essex County |
| Westover Arb/Westover Metropolitan (CEF) | Chicopee | MA | Niagara Central to Westover Arb/Westover Metropolitan |
| Mettel Field (CEV) | Connersville | IN | Niagara Central to Mettel Field |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Niagara Central to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | Niagara Central to Cuyahoga County |
| College Park Airport (CGS) | College Park | MD | Niagara Central to College Park Airport |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | Niagara Central to Charlottesville Albemarle |
| Chippewa County International (CIU) | Sault Ste Marie | MI | Niagara Central to Chippewa County International |
| North Central West Virginia (CKB) | Clarksburg | WV | Niagara Central to North Central West Virginia |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Niagara Central to Cleveland/Hopkins International |
| John Glenn International (CMH) | Columbus | OH | Niagara Central to John Glenn International |
| Claremont Municipal (CNH) | Claremont | NH | Niagara Central to Claremont Municipal |
| Concord Municipal (CON) | Concord | NH | Niagara Central to Concord Municipal |
| Yeager (CRW) | Charleston | WV | Niagara Central to Yeager |
| Chester County G O Carlson (CTH) | Coatesville | PA | Niagara Central to Chester County G O Carlson |
| Cortland County-Chase Field (CTX) | Cortland | NY | Niagara Central to Cortland County-Chase Field |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Niagara Central to Cincinnati Northern Kentucky International |
| Dayton International James M Cox (DAY) | Dayton | OH | Niagara Central to Dayton International James M Cox |
| Coleman A Young Municipal (DET) | Detroit | MI | Niagara Central to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Niagara Central to Defiance Memorial |
| Dover AFB (DOV) | Dover | DE | Niagara Central to Dover AFB |
| Drummond Island (DRE) | Drummond Island | MI | Niagara Central to Drummond Island |
| Dansville Municipal (DSV) | Dansville | NY | Niagara Central to Dansville Municipal |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Niagara Central to Detroit Metro Wayne County |
| Dubois Regional (DUJ) | DuBois | PA | Niagara Central to Dubois Regional |
| Danbury Municipal (DXR) | Danbury | CT | Niagara Central to Danbury Municipal |
| Doylestown (DYL) | Doylestown | PA | Niagara Central to Doylestown |
| Iosco County (ECA) | East Tawas | MI | Niagara Central to Iosco County |
| Dilliant-Hopkins (EEN) | Keene | NH | Niagara Central to Dilliant-Hopkins |
| Northeast Kingdom International (EFK) | Newport | VT | Niagara Central to Northeast Kingdom International |
| Elkhart Municipal (EKI) | Elkhart | IN | Niagara Central to Elkhart Municipal |
| Elkins/Randolph County (EKN) | Elkins | WV | Niagara Central to Elkins/Randolph County |
| Elmira/Corning Regional (ELM) | Elmira | NY | Niagara Central to Elmira/Corning Regional |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Niagara Central to Wellsville Municipal/Tarantine Field |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Niagara Central to Erie International/Tom Ridge Field |
| Easton/Newnam Field (ESN) | Easton | MD | Niagara Central to Easton/Newnam Field |
| Stroudsburg-Pocono (ESP) | East Stroudsburg | PA | Niagara Central to Stroudsburg-Pocono |
| Newark Liberty International (EWR) | Newark | NJ | Niagara Central to Newark Liberty International |
| Frederick Municipal (FDK) | Frederick | MD | Niagara Central to Frederick Municipal |
| Findlay (FDY) | Findlay | OH | Niagara Central to Findlay |
| Elizabeth Field Airport (FID) | Fishers Island | NY | Niagara Central to Elizabeth Field Airport |
| Venango Regional (FKL) | Franklin | PA | Niagara Central to Venango Regional |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Niagara Central to Fort Meade (Odenton) Tipton |
| Bishop International (FNT) | Flint | MI | Niagara Central to Bishop International |
| Francis S Gabreski (FOK) | Westhampton Beach | NY | Niagara Central to Francis S Gabreski |
| Republic Long Island (FRG) | Farmingdale | NY | Niagara Central to Republic Long Island |
| Front Royal-Warren County (FRR) | Front Royal | VA | Niagara Central to Front Royal-Warren County |
| Fort Wayne International (FWA) | Fort Wayne | IN | Niagara Central to Fort Wayne International |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Niagara Central to Montgomery County Airpark |
| Gardner Municipal (GDM) | Gardner | MA | Niagara Central to Gardner Municipal |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Niagara Central to Gladwin Zettel Memorial |
| Delaware Coastal (GED) | Georgetown | DE | Niagara Central to Delaware Coastal |
| Floyd Bennett Memorial (GFL) | Glens Falls | NY | Niagara Central to Floyd Bennett Memorial |
| Gaylord Regional (GLR) | Gaylord | MI | Niagara Central to Gaylord Regional |
| Groton New London (GON) | Groton New London | CT | Niagara Central to Groton New London |
| Galion Municipal (GQQ) | Galion | OH | Niagara Central to Galion Municipal |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Niagara Central to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Niagara Central to Goshen Municipal |
| Gettysburg Regional (GTY) | Gettysburg | PA | Niagara Central to Gettysburg Regional |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Niagara Central to Grissom Aeroplex/Arb |
| Gordonsville Municipal Airport (GVE) | Gordonsville | VA | Niagara Central to Gordonsville Municipal Airport |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Niagara Central to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Niagara Central to Butler County Regional-Hogan Field |
| Capital City Harrisburg (HAR) | Harrisburg | PA | Niagara Central to Capital City Harrisburg |
| Columbia County (HCC) | Hudson | NY | Niagara Central to Columbia County |
| Hartford/Brainard (HFD) | Hartford | CT | Niagara Central to Hartford/Brainard |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Niagara Central to Richard A Henson Field/Hagerstown Regional |
| Mount Washington Regional (HIE) | Whitefield | NH | Niagara Central to Mount Washington Regional |
| Wheeling Ohio County (HLG) | Wheeling | WV | Niagara Central to Wheeling Ohio County |
| Park Township (HLM) | Holland | MI | Niagara Central to Park Township |
| Westchester County (HPN) | White Plains | NY | Niagara Central to Westchester County |
| Ingalls Field (HSP) | Hot Springs | VA | Niagara Central to Ingalls Field |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Niagara Central to Roscommon County - Blodgett Memorial |
| East Hampton (HTO) | East Hampton | NY | Niagara Central to East Hampton |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Niagara Central to Tri-State Milton J Ferguson Field |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Niagara Central to Lawrence County Airpark |
| Tweed/New Haven (HVN) | New Haven | CT | Niagara Central to Tweed/New Haven |
| Hazleton Regional (HZL) | Hazleton | PA | Niagara Central to Hazleton Regional |
| Washington Dulles International (IAD) | Washington | VA | Niagara Central to Washington Dulles International |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Niagara Central to Indiana County/Jimmy Stewart Field |
| Wilmington/New Castle (ILG) | Wilmington | DE | Niagara Central to Wilmington/New Castle |
| Wilmington Airpark (ILN) | Wilmington | OH | Niagara Central to Wilmington Airpark |
| Williamsport Regional (IPT) | Williamsport | PA | Niagara Central to Williamsport Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Niagara Central to Kirsch Municipal |
| Long Island Macarthur (ISP) | Islip | NY | Niagara Central to Long Island Macarthur |
| Schoolcraft County (ISQ) | Manistique | MI | Niagara Central to Schoolcraft County |
| Ithaca Tompkins Regional (ITH) | Ithaca | NY | Niagara Central to Ithaca Tompkins Regional |
| New York/John F Kennedy International (JFK) | New York | NY | Niagara Central to New York/John F Kennedy International |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Niagara Central to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Niagara Central to Chautauqua County/Jamestown |
| John Murtha Johnstown/Cambria County (JST) | Johnstown | PA | Niagara Central to John Murtha Johnstown/Cambria County |
| Central Jersey Regional (JVI) | Manville | NJ | Niagara Central to Central Jersey Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Niagara Central to Jackson County/Reynolds Field |
| Capital Region International (LAN) | Lansing | MI | Niagara Central to Capital Region International |
| Arnold Palmer Regional (LBE) | Latrobe | PA | Niagara Central to Arnold Palmer Regional |
| Laconia Municipal (LCI) | Laconia | NH | Niagara Central to Laconia Municipal |
| Rickenbacker International (LCK) | Columbus | OH | Niagara Central to Rickenbacker International |
| Linden (LDJ) | Linden | NJ | Niagara Central to Linden |
| Mason County (LDM) | Ludington | MI | Niagara Central to Mason County |
| Lebanon Municipal (LEB) | Lebanon | NH | Niagara Central to Lebanon Municipal |
| La Guardia (LGA) | New York | NY | Niagara Central to La Guardia |
| William T. Piper Memorial (LHV) | Lock Haven | PA | Niagara Central to William T. Piper Memorial |
| Lake Placid (LKP) | Lake Placid | NY | Niagara Central to Lake Placid |
| Caledonia County (LLX) | Lyndonville | VT | Niagara Central to Caledonia County |
| South Jersey Regional (LLY) | Mount Holly | NJ | Niagara Central to South Jersey Regional |
| Willoughby Lost Nation Municipal (LNN) | Willoughby | OH | Niagara Central to Willoughby Lost Nation Municipal |
| Lancaster (LNS) | Lancaster | PA | Niagara Central to Lancaster |
| Louisa County/Freeman Field (LOW) | Louisa | VA | Niagara Central to Louisa County/Freeman Field |
| La Porte Municipal (LPO) | La Porte | IN | Niagara Central to La Porte Municipal |
| St. Mary's County Regional (LTW) | Leonardtown | MD | Niagara Central to St. Mary's County Regional |
| Cincinnati Municipal Lunken (LUK) | Cincinnati | OH | Niagara Central to Cincinnati Municipal Lunken |
| Greenbrier Valley (LWB) | Lewisburg | WV | Niagara Central to Greenbrier Valley |
| Lynchburg Regional/Preston Glenn Field (LYH) | Lynchburg | VA | Niagara Central to Lynchburg Regional/Preston Glenn Field |
| Manistee County-Blacker (MBL) | Manistee | MI | Niagara Central to Manistee County-Blacker |
| Mbs International (MBS) | Saginaw | MI | Niagara Central to Mbs International |
| Mackinac Island (MCD) | Mackinac Island | MI | Niagara Central to Mackinac Island |
| Harrisburg International (MDT) | Harrisburg | PA | Niagara Central to Harrisburg International |
| Port Meadville (MEJ) | Meadville | PA | Niagara Central to Port Meadville |
| Mansfield Lahm Regional (MFD) | Mansfield | OH | Niagara Central to Mansfield Lahm Regional |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Niagara Central to Michigan City Municipal-Phillips Field |
| Orange County (MGJ) | Montgomery | NY | Niagara Central to Orange County |
| Morgantown Municipal Walter L Bill Hart Field (MGW) | Morgantown | WV | Niagara Central to Morgantown Municipal Walter L Bill Hart Field |
| Dayton-Wright Brothers (MGY) | Dayton | OH | Niagara Central to Dayton-Wright Brothers |
| Manchester (MHT) | Manchester | NH | Niagara Central to Manchester |
| Delaware County Regional (MIE) | Muncie | IN | Niagara Central to Delaware County Regional |
| Millville Municipal (MIV) | Millville | NJ | Niagara Central to Millville Municipal |
| Ocean County (MJX) | Toms River | NJ | Niagara Central to Ocean County |
| Muskegon County (MKG) | Muskegon | MI | Niagara Central to Muskegon County |
| Minute Man Air Field (MMN) | Stow | MA | Niagara Central to Minute Man Air Field |
| Morristown Municipal (MMU) | Morristown | NJ | Niagara Central to Morristown Municipal |
| Marion Municipal (MNN) | Marion | OH | Niagara Central to Marion Municipal |
| Manassas Regional/Harry P Davis Field (MNZ) | Manassas | VA | Niagara Central to Manassas Regional/Harry P Davis Field |
| Mount Pleasant Municipal (MOP) | Mount Pleasant | MI | Niagara Central to Mount Pleasant Municipal |
| Pocono Mountains Municipal (MPO) | Mount Pocono | PA | Niagara Central to Pocono Mountains Municipal |
| Edward F Knapp State (MPV) | Barre-Montpelier | VT | Niagara Central to Edward F Knapp State |
| Eastern West Virginia Regional/Shepherd Field (MRB) | Martinsburg | WV | Niagara Central to Eastern West Virginia Regional/Shepherd Field |
| Massena International/Richards Field (MSS) | Massena | NY | Niagara Central to Massena International/Richards Field |
| Sullivan County International (MSV) | Monticello | NY | Niagara Central to Sullivan County International |
| Martin State (MTN) | Baltimore | MD | Niagara Central to Martin State |
| Montauk (MTP) | Montauk | NY | Niagara Central to Montauk |
| Morrisville-Stowe State (MVL) | Morrisville | VT | Niagara Central to Morrisville-Stowe State |
| Middletown Regional - Hook Field (MWO) | Middletown | OH | Niagara Central to Middletown Regional - Hook Field |
| Marion Municipal (MZZ) | Marion | IN | Niagara Central to Marion Municipal |
| Haliburton/Stanhope Muni (ND4) | Haliburton | | Niagara Central to Haliburton/Stanhope Muni |
| Lindsay (NF4) | Lindsay | ON | Niagara Central to Lindsay |
| Jerry Tyler Memorial (NLE) | Niles | MI | Niagara Central to Jerry Tyler Memorial |
| Arnprior Municipal (NP3) | Arnprior | ON | Niagara Central to Arnprior Municipal |
| Tobermory (NR4) | Tobermory | ON | Niagara Central to Tobermory |
| Toronto/Markham (NU8) | Markham | | Niagara Central to Toronto/Markham |
| Parlin Field (NWH) | Newport | NH | Niagara Central to Parlin Field |
| Collingwood (NY3) | Collingwood | ON | Niagara Central to Collingwood |
| Ocean City Municipal (OCE) | Ocean City | MD | Niagara Central to Ocean City Municipal |
| Garrett County (ODM) | Oakland | MD | Niagara Central to Garrett County |
| Ogdensburg International (OGS) | Ogdensburg | NY | Niagara Central to Ogdensburg International |
| Lt Warren Eaton (OIC) | Norwich | NY | Niagara Central to Lt Warren Eaton |
| Kokomo Municipal (OKK) | Kokomo | IN | Niagara Central to Kokomo Municipal |
| Cattaraugus County-Olean Municipal (OLE) | Olean | NY | Niagara Central to Cattaraugus County-Olean Municipal |
| Oneonta Municipal (ONH) | Oneonta | NY | Niagara Central to Oneonta Municipal |
| Worcester Regional (ORH) | Worcester | MA | Niagara Central to Worcester Regional |
| Oscoda-Wurtsmith (OSC) | Oscoda | MI | Niagara Central to Oscoda-Wurtsmith |
| Ohio State University (OSU) | Columbus | OH | Niagara Central to Ohio State University |
| Waterbury/Oxford (OXC) | Oxford | CT | Niagara Central to Waterbury/Oxford |
| Miami University (OXD) | Oxford | OH | Niagara Central to Miami University |
| Plattsburgh International (PBG) | Plattsburgh | NY | Niagara Central to Plattsburgh International |
| Princeton (PCT) | Princeton | NJ | Niagara Central to Princeton |
| Cambridge/Reid's Field (PE4) | Cambridge | ON | Niagara Central to Cambridge/Reid's Field |
| Grant County (PGC) | Petersburg | WV | Niagara Central to Grant County |
| Harry Clever Field (PHD) | New Philadelphia | OH | Niagara Central to Harry Clever Field |
| Philadelphia International (PHL) | Philadelphia | PA | Niagara Central to Philadelphia International |
| St Clair County International (PHN) | Port Huron | MI | Niagara Central to St Clair County International |
| Pittsburgh International (PIT) | Pittsburgh | PA | Niagara Central to Pittsburgh International |
| Mid Ohio Valley Regional (PKB) | Parkersburg | WV | Niagara Central to Mid Ohio Valley Regional |
| Pellston Regional of Emmet County (PLN) | Pellston | MI | Niagara Central to Pellston Regional of Emmet County |
| Plymouth Municipal (PLY) | Plymouth | IN | Niagara Central to Plymouth Municipal |
| Greater Portsmouth Regional (PMH) | Portsmouth | OH | Niagara Central to Greater Portsmouth Regional |
| Northeast Philadelphia (PNE) | Philadelphia | PA | Niagara Central to Northeast Philadelphia |
| Hudson Valley Regional (POU) | Poughkeepsie | NY | Niagara Central to Hudson Valley Regional |
| Wingham/Richard W Levan (PR7) | Wingham | ON | Niagara Central to Wingham/Richard W Levan |
| Mid-State (PSB) | Philipsburg | PA | Niagara Central to Mid-State |
| Pittsfield Municipal (PSF) | Pittsfield | MA | Niagara Central to Pittsfield Municipal |
| Killarney (PT2) | Killarney | ON | Niagara Central to Killarney |
| Oakland County International (PTK) | Pontiac | MI | Niagara Central to Oakland County International |
| Heritage Field (PTW) | Pottstown | PA | Niagara Central to Heritage Field |
| Tyendinaga/Mohawk (PU6) | Tyendinaga | ON | Niagara Central to Tyendinaga/Mohawk |
| Fulton County (RCR) | Rochester | IN | Niagara Central to Fulton County |
| Nartron Field (RCT) | Reed City | MI | Niagara Central to Nartron Field |
| Reading Regional/Carl A Spaatz Field (RDG) | Reading | PA | Niagara Central to Reading Regional/Carl A Spaatz Field |
| Mifflin County (RED) | Reedsville | PA | Niagara Central to Mifflin County |
| Richmond International (RIC) | Richmond | VA | Niagara Central to Richmond International |
| Richmond Municipal (RID) | Richmond | IN | Niagara Central to Richmond Municipal |
| Griffiss International (RME) | Rome | NY | Niagara Central to Griffiss International |
| Roanoke Regional/Woodrum Field (ROA) | Roanoke | VA | Niagara Central to Roanoke Regional/Woodrum Field |
| Greater Rochester International (ROC) | Rochester | NY | Niagara Central to Greater Rochester International |
| Rutland Southern Vermont Regional (RUT) | Rutland | VT | Niagara Central to Rutland Southern Vermont Regional |
| South Bend International (SBN) | South Bend | IN | Niagara Central to South Bend International |
| Salisbury Ocean City/Wicomico Regional (SBY) | Salisbury | MD | Niagara Central to Salisbury Ocean City/Wicomico Regional |
| University Park (SCE) | State College | PA | Niagara Central to University Park |
| Schenectady County (SCH) | Schenectady | NY | Niagara Central to Schenectady County |
| Mont-Laurier (SD4) | Mont-Laurier | QC | Niagara Central to Mont-Laurier |
| Lachute (SE4) | Lachute | QC | Niagara Central to Lachute |
| Penn Valley (SEG) | Selinsgrove | PA | Niagara Central to Penn Valley |
| Springfield/Beckley Municipal (SGH) | Springfield | OH | Niagara Central to Springfield/Beckley Municipal |
| Shenandoah Valley Regional (SHD) | Staunton | VA | Niagara Central to Shenandoah Valley Regional |
| Mascouche (SK3) | Montreal | QC | Niagara Central to Mascouche |
| Adirondack Regional (SLK) | Saranac Lake | NY | Niagara Central to Adirondack Regional |
| Smith Field (SMD) | Fort Wayne | IN | Niagara Central to Smith Field |
| Les Cedres (SS3) | Montreal | QC | Niagara Central to Les Cedres |
| St Marys Municipal (STQ) | St Marys | PA | Niagara Central to St Marys Municipal |
| Stewart International (SWF) | Newburgh | NY | Niagara Central to Stewart International |
| Sidney Municipal (SXY) | Sidney | NY | Niagara Central to Sidney Municipal |
| Sorel (SY3) | Sorel | QC | Niagara Central to Sorel |
| Syracuse Hancock International (SYR) | Syracuse | NY | Niagara Central to Syracuse Hancock International |
| St-Bruno-De-Guigues (TA4) | St Bruno De Guigues | QC | Niagara Central to St-Bruno-De-Guigues |
| Toledo Executive (TDZ) | Toledo | OH | Niagara Central to Toledo Executive |
| Teterboro (TEB) | Teterboro | NJ | Niagara Central to Teterboro |
| York (THV) | York | PA | Niagara Central to York |
| Toledo Express (TOL) | Toledo | OH | Niagara Central to Toledo Express |
| Trenton Mercer (TTN) | Trenton | NJ | Niagara Central to Trenton Mercer |
| Cherry Capital (TVC) | Traverse City | MI | Niagara Central to Cherry Capital |
| Tuscola Area (TZC) | Caro | MI | Niagara Central to Tuscola Area |
| Quakertown (UKT) | Quakertown | PA | Niagara Central to Quakertown |
| Hartness State (Springfield) (VSF) | Springfield | VT | Niagara Central to Hartness State (Springfield) |
| Greene County (WAY) | Waynesburg | PA | Niagara Central to Greene County |
| West Branch Community (WBK) | West Branch | MI | Niagara Central to West Branch Community |
| Roben-Hood (WBR) | Big Rapids | MI | Niagara Central to Roben-Hood |
| Wilkes-Barre Wyoming Valley (WBW) | Wilkes-Barre | PA | Niagara Central to Wilkes-Barre Wyoming Valley |
| Winchester Regional (WGO) | Winchester | VA | Niagara Central to Winchester Regional |
| Washington County (WSG) | Washington | PA | Niagara Central to Washington County |
| Brookhaven (WSH) | Shirley | NY | Niagara Central to Brookhaven |
| Westerly State (WST) | Westerly | RI | Niagara Central to Westerly State |
| Wildwood/Cape May County (WWD) | Wildwood | NJ | Niagara Central to Wildwood/Cape May County |
| Brockville Regional Tackaberry (XBR) | Brockville | ON | Niagara Central to Brockville Regional Tackaberry |
| Drummondville (XDM) | Drummondville | QC | Niagara Central to Drummondville |
| Brantford Municipal (XFV) | Brantford | ON | Niagara Central to Brantford Municipal |
| Joliette (XJL) | Joliette | QC | Niagara Central to Joliette |
| Brampton (XPN) | Brampton | ON | Niagara Central to Brampton |
| Sault Ste Marie (YAM) | Sault Ste Marie | ON | Niagara Central to Sault Ste Marie |
| Cornwall Regional (YCC) | Cornwall | ON | Niagara Central to Cornwall Regional |
| Centralia/James T Field Memorial (YCE) | Centralia | ON | Niagara Central to Centralia/James T Field Memorial |
| Chatham-Kent Municipal (YCK) | Chatham | ON | Niagara Central to Chatham-Kent Municipal |
| Bar River (YEB) | Bar River | ON | Niagara Central to Bar River |
| Midland/Huronia (YEE) | Midland | ON | Niagara Central to Midland/Huronia |
| Elliot Lake Municipal (YEL) | Elliot Lake | ON | Niagara Central to Elliot Lake Municipal |
| Manitowaning Manitoulin East Municipal (YEM) | Manitowaning | ON | Niagara Central to Manitowaning Manitoulin East Municipal |
| Amos Magny Municipal (YEY) | Amos | QC | Niagara Central to Amos Magny Municipal |
| Goderich Municipal (YGD) | Goderich | ON | Niagara Central to Goderich Municipal |
| Kingston (YGK) | Kingston | ON | Niagara Central to Kingston |
| Saugeen Municipal (YHS) | Hanover | ON | Niagara Central to Saugeen Municipal |
| Montreal St Hubert (YHU) | Montreal | QC | Niagara Central to Montreal St Hubert |
| Willow Run (YIP) | Detroit | MI | Niagara Central to Willow Run |
| St Jean (YJN) | St Jean | QC | Niagara Central to St Jean |
| Kincardine (YKD) | Kincardine | ON | Niagara Central to Kincardine |
| Kirkland Lake Municiple (YKX) | Kirkland Lake | ON | Niagara Central to Kirkland Lake Municiple |
| Chapleau (YLD) | Chapleau | ON | Niagara Central to Chapleau |
| Lake Simcoe Regional (YLS) | Barrie-Orillia | ON | Niagara Central to Lake Simcoe Regional |
| Maniwaki (YMW) | Maniwaki | QC | Niagara Central to Maniwaki |
| Montreal International Mirabel (YMX) | Montreal | QC | Niagara Central to Montreal International Mirabel |
| Gatineau-Ottawa Executive Airport (YND) | Ottawa | QC | Niagara Central to Gatineau-Ottawa Executive Airport |
| Youngstown/Warren Regional (YNG) | Youngstown | OH | Niagara Central to Youngstown/Warren Regional |
| Oshawa (YOO) | Oshawa | ON | Niagara Central to Oshawa |
| Owen Sound - Billy Bishop Regional (YOS) | Owen Sound | ON | Niagara Central to Owen Sound - Billy Bishop Regional |
| Ottawa Macdonald Cartier Intl (YOW) | Ottawa | ON | Niagara Central to Ottawa Macdonald Cartier Intl |
| Parry Sound Area Municipal (YPD) | Parry Sound | ON | Niagara Central to Parry Sound Area Municipal |
| Peterborough (YPQ) | Peterborough | ON | Niagara Central to Peterborough |
| Pelee Island (YPT) | Pelee Island | ON | Niagara Central to Pelee Island |
| Muskoka (YQA) | Gravenhurst | ON | Niagara Central to Muskoka |
| Windsor (YQG) | Windsor | ON | Niagara Central to Windsor |
| St Thomas Municipal (YQS) | St Thomas | ON | Niagara Central to St Thomas Municipal |
| Ottawa/Rockcliffe (YRO) | Ottawa | ON | Niagara Central to Ottawa/Rockcliffe |
| Ottawa/Carp (YRP) | Ottawa | ON | Niagara Central to Ottawa/Carp |
| Trois-Rivieres (YRQ) | Trois-Rivieres | QC | Niagara Central to Trois-Rivieres |
| Stratford Municipal (YSA) | Stratford | ON | Niagara Central to Stratford Municipal |
| Sudbury (YSB) | Sudbury | ON | Niagara Central to Sudbury |
| Smiths Falls Montague/Russ Beach (YSH) | Smiths Falls | ON | Niagara Central to Smiths Falls Montague/Russ Beach |
| Pembroke (YTA) | Pembroke | ON | Niagara Central to Pembroke |
| La Macaza/Mont Tremblant Intl (YTM) | La Macaza | QC | Niagara Central to La Macaza/Mont Tremblant Intl |
| Trenton (YTR) | Trenton | ON | Niagara Central to Trenton |
| Timmins Victor M Power (YTS) | Timmins | ON | Niagara Central to Timmins Victor M Power |
| Billy Bishop Toronto City (YTZ) | Toronto | ON | Niagara Central to Billy Bishop Toronto City |
| Montreal/Pierre Elliott Trudeau Intl (YUL) | Montreal | QC | Niagara Central to Montreal/Pierre Elliott Trudeau Intl |
| Rouyn-Noranda Regional (YUY) | Rouyn-Noranda | QC | Niagara Central to Rouyn-Noranda Regional |
| Val-D'or (YVO) | Val-d'Or | QC | Niagara Central to Val-D'or |
| Wiarton (YVV) | Wiarton | ON | Niagara Central to Wiarton |
| Earlton/Timiskaming Regional (YXR) | Earlton | ON | Niagara Central to Earlton/Timiskaming Regional |
| London (YXU) | London | ON | Niagara Central to London |
| North Bay (YYB) | North Bay | ON | Niagara Central to North Bay |
| Toronto Lester B Pearson International (YYZ) | Toronto | ON | Niagara Central to Toronto Lester B Pearson International |
| Gore Bay Manitoulin (YZE) | Gore Bay | ON | Niagara Central to Gore Bay Manitoulin |
| Sarnia/Chris Hadfield (YZR) | Sarnia | ON | Niagara Central to Sarnia/Chris Hadfield |
| Bromont (ZBM) | Bromont | QC | Niagara Central to Bromont |
| Zanesville Municipal (ZZV) | Zanesville | OH | Niagara Central to Zanesville Municipal |
