| Aberdeen Regional (ABR) | Aberdeen | SD | Slayton Municipal to Aberdeen Regional |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Slayton Municipal to Albert Lea Municipal |
| Arapahoe Municipal (AHF) | Arapahoe | NE | Slayton Municipal to Arapahoe Municipal |
| Amery Municipal (AHH) | Amery | WI | Slayton Municipal to Amery Municipal |
| Alliance Municipal (AIA) | Alliance | NE | Slayton Municipal to Alliance Municipal |
| Atlantic Municipal (AIO) | Atlantic | IA | Slayton Municipal to Atlantic Municipal |
| Waterloo Regional (ALO) | Waterloo | IA | Slayton Municipal to Waterloo Regional |
| Ames Municipal (AMW) | Ames | IA | Slayton Municipal to Ames Municipal |
| Ainsworth Regional (ANW) | Ainsworth | NE | Slayton Municipal to Ainsworth Regional |
| Lakeland/Noble F. Lee Memorial Field (ARV) | Minocqua | WI | Slayton Municipal to Lakeland/Noble F. Lee Memorial Field |
| John F Kennedy Memorial (ASX) | Ashland | WI | Slayton Municipal to John F Kennedy Memorial |
| Ashley Municipal (ASY) | Ashley | ND | Slayton Municipal to Ashley Municipal |
| Outagamie County Regional (ATW) | Appleton | WI | Slayton Municipal to Outagamie County Regional |
| Watertown Regional (ATY) | Watertown | SD | Slayton Municipal to Watertown Regional |
| Austin Municipal (AUM) | Austin | MN | Slayton Municipal to Austin Municipal |
| Wausau Downtown (AUW) | Wausau | WI | Slayton Municipal to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Slayton Municipal to Chicago/Aurora Municipal |
| Algona Municipal (AXG) | Algona | IA | Slayton Municipal to Algona Municipal |
| Chandler Field (AXN) | Alexandria | MN | Slayton Municipal to Chandler Field |
| Benson Municipal (BBB) | Benson | MN | Slayton Municipal to Benson Municipal |
| Broken Bow Municipal/Keith Glaze Field (BBW) | Broken Bow | NE | Slayton Municipal to Broken Bow Municipal/Keith Glaze Field |
| Baudette International (BDE) | Baudette | MN | Slayton Municipal to Baudette International |
| Beatrice Municipal (BIE) | Beatrice | NE | Slayton Municipal to Beatrice Municipal |
| Bismarck Municipal (BIS) | Bismarck | ND | Slayton Municipal to Bismarck Municipal |
| Bemidji Regional (BJI) | Bemidji | MN | Slayton Municipal to Bemidji Regional |
| Brookings Regional (BKX) | Brookings | SD | Slayton Municipal to Brookings Regional |
| Boone Municipal (BNW) | Boone | IA | Slayton Municipal to Boone Municipal |
| Brainerd Lakes Regional (BRD) | Brainerd | MN | Slayton Municipal to Brainerd Lakes Regional |
| Southeast Iowa Regional (BRL) | Burlington | IA | Slayton Municipal to Southeast Iowa Regional |
| Cram Field (BUB) | Burwell | NE | Slayton Municipal to Cram Field |
| Bowman Municipal (BWM) | Bowman | ND | Slayton Municipal to Bowman Municipal |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | Slayton Municipal to Council Bluffs Municipal |
| Northeast Iowa Regional (CCY) | Charles City | IA | Slayton Municipal to Northeast Iowa Regional |
| Chadron Municipal (CDR) | Chadron | NE | Slayton Municipal to Chadron Municipal |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Slayton Municipal to The Eastern Iowa |
| Arthur N Neu (CIN) | Carroll | IA | Slayton Municipal to Arthur N Neu |
| Crookston Municipal Kirkwood Field (CKN) | Crookston | MN | Slayton Municipal to Crookston Municipal Kirkwood Field |
| Clintonville Municipal (CLI) | Clintonville | WI | Slayton Municipal to Clintonville Municipal |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Slayton Municipal to Sparta/Fort Mccoy |
| Blosser Municipal (CNK) | Concordia | KS | Slayton Municipal to Blosser Municipal |
| Columbia Regional (COU) | Columbia | MO | Slayton Municipal to Columbia Regional |
| Creston Municipal (CSQ) | Creston | IA | Slayton Municipal to Creston Municipal |
| Canton Municipal (CTK) | Canton | SD | Slayton Municipal to Canton Municipal |
| Central Wisconsin (CWA) | Mosinee | WI | Slayton Municipal to Central Wisconsin |
| Clinton Municipal (CWI) | Clinton | IA | Slayton Municipal to Clinton Municipal |
| Dubuque Regional (DBQ) | Dubuque | IA | Slayton Municipal to Dubuque Regional |
| Decorah Municipal (DEH) | Decorah | IA | Slayton Municipal to Decorah Municipal |
| Dickinson Theodore Roosevelt Regional (DIK) | Dickinson | ND | Slayton Municipal to Dickinson Theodore Roosevelt Regional |
| Duluth International (DLH) | Duluth | MN | Slayton Municipal to Duluth International |
| Sedalia Regional (DMO) | Sedalia | MO | Slayton Municipal to Sedalia Regional |
| Denison Municipal (DNS) | Denison | IA | Slayton Municipal to Denison Municipal |
| Des Moines International (DSM) | Des Moines | IA | Slayton Municipal to Des Moines International |
| Detroit Lakes-Wething Field (DTL) | Detroit Lakes | MN | Slayton Municipal to Detroit Lakes-Wething Field |
| Devils Lake Regional (DVL) | Devils Lake | ND | Slayton Municipal to Devils Lake Regional |
| Davenport Municipal (DVN) | Davenport | IA | Slayton Municipal to Davenport Municipal |
| Kearney Regional (EAR) | Kearney | NE | Slayton Municipal to Kearney Regional |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | Slayton Municipal to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | Slayton Municipal to Webster City Municipal |
| Jefferson Municipal (EFW) | Jefferson | IA | Slayton Municipal to Jefferson Municipal |
| Eagle River Union (EGV) | Eagle River | WI | Slayton Municipal to Eagle River Union |
| Emporia Municipal (EMP) | Emporia | KS | Slayton Municipal to Emporia Municipal |
| Keokuk Municipal (EOK) | Keokuk | IA | Slayton Municipal to Keokuk Municipal |
| Estherville Municipal (EST) | Estherville | IA | Slayton Municipal to Estherville Municipal |
| West Bend Municipal (ETB) | West Bend | WI | Slayton Municipal to West Bend Municipal |
| Eveleth-Virginia Municipal (EVM) | Eveleth | MN | Slayton Municipal to Eveleth-Virginia Municipal |
| Hector International Fargo (FAR) | Fargo | ND | Slayton Municipal to Hector International Fargo |
| Faribault Municipal (FBL) | Faribault | MN | Slayton Municipal to Faribault Municipal |
| Fairbury Municipal (FBY) | Fairbury | NE | Slayton Municipal to Fairbury Municipal |
| Flying Cloud (FCM) | Minneapolis | MN | Slayton Municipal to Flying Cloud |
| Albertus (FEP) | Freeport | IL | Slayton Municipal to Albertus |
| Fremont Municipal (FET) | Fremont | NE | Slayton Municipal to Fremont Municipal |
| Fairfield Municipal (FFL) | Fairfield | IA | Slayton Municipal to Fairfield Municipal |
| Fergus Falls Municipal-Einar Mickelson Field (FFM) | Fergus Falls | MN | Slayton Municipal to Fergus Falls Municipal-Einar Mickelson Field |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | Slayton Municipal to Fond Du Lac County |
| Sherman Army Airfield (FLV) | Fort Leavenworth | KS | Slayton Municipal to Sherman Army Airfield |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Slayton Municipal to Fort Madison Municipal |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | Slayton Municipal to Fort Dodge Regional |
| Forbes Field (FOE) | Topeka | KS | Slayton Municipal to Forbes Field |
| Fairmont Municipal (FRM) | Fairmont | MN | Slayton Municipal to Fairmont Municipal |
| Sioux Falls Regional, Joe Foss Field (FSD) | Sioux Falls | SD | Slayton Municipal to Sioux Falls Regional, Joe Foss Field |
| Forest City Municipal (FXY) | Forest City | IA | Slayton Municipal to Forest City Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Slayton Municipal to Galesburg Municipal |
| Grand Forks International (GFK) | Grand Forks | ND | Slayton Municipal to Grand Forks International |
| Grand Rapids/Itasca County-Gordon Newstrom Field (GPZ) | Grand Rapids | MN | Slayton Municipal to Grand Rapids/Itasca County-Gordon Newstrom Field |
| Austin Straubel International (GRB) | Green Bay | WI | Slayton Municipal to Austin Straubel International |
| Central Nebraska Regional (GRI) | Grand Island | NE | Slayton Municipal to Central Nebraska Regional |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | Slayton Municipal to Grand Marais/Cook County |
| Gordon Municipal (GRN) | Gordon | NE | Slayton Municipal to Gordon Municipal |
| Grantsburg Muni (GTG) | Grantsburg | WI | Slayton Municipal to Grantsburg Muni |
| Brewster Field (HDE) | Holdrege | NE | Slayton Municipal to Brewster Field |
| Range Regional (HIB) | Hibbing | MN | Slayton Municipal to Range Regional |
| Hill City Municipal (HLC) | Hill City | KS | Slayton Municipal to Hill City Municipal |
| Huron Regional (HON) | Huron | SD | Slayton Municipal to Huron Regional |
| Hampton Municipal (HPT) | Hampton | IA | Slayton Municipal to Hampton Municipal |
| Hastings Municipal (HSI) | Hastings | NE | Slayton Municipal to Hastings Municipal |
| Humboldt Municipal (HUD) | Humboldt | IA | Slayton Municipal to Humboldt Municipal |
| Sawyer County (HYR) | Hayward | WI | Slayton Municipal to Sawyer County |
| Hays Regional (HYS) | Hays | KS | Slayton Municipal to Hays Regional |
| Schenck Field (ICL) | Clarinda | IA | Slayton Municipal to Schenck Field |
| Ida Grove Municipal (IDG) | Ida Grove | IA | Slayton Municipal to Ida Grove Municipal |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Slayton Municipal to Iowa Falls Municipal |
| Willmar Municipal/John L Rice Field (ILL) | Willmar | MN | Slayton Municipal to Willmar Municipal/John L Rice Field |
| Imperial Municipal (IML) | Imperial | NE | Slayton Municipal to Imperial Municipal |
| Ford (IMT) | Iron Mountain | MI | Slayton Municipal to Ford |
| Falls Intl-Einarson Field (INL) | International Falls | MN | Slayton Municipal to Falls Intl-Einarson Field |
| Iowa City Municipal (IOW) | Iowa City | IA | Slayton Municipal to Iowa City Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Slayton Municipal to Kirksville Regional |
| Alexander Field South Wood County (ISW) | Wisconsin Rapids | WI | Slayton Municipal to Alexander Field South Wood County |
| Gogebic-Iron County (IWD) | Ironwood | MI | Slayton Municipal to Gogebic-Iron County |
| Morden (JA3) | Morden | MB | Slayton Municipal to Morden |
| Steinbach (JB3) | Steinbach | MB | Slayton Municipal to Steinbach |
| New Century Aircenter (JCI) | Olathe | KS | Slayton Municipal to New Century Aircenter |
| Altona Municipal (JL6) | Altona | MB | Slayton Municipal to Altona Municipal |
| Jamestown Regional (JMS) | Jamestown | ND | Slayton Municipal to Jamestown Regional |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Slayton Municipal to Souther Wisconsin Regional |
| North Platte Regional/Lee Bird Field (LBF) | North Platte | NE | Slayton Municipal to North Platte Regional/Lee Bird Field |
| Lemmon Municipal (LEM) | Lemmon | SD | Slayton Municipal to Lemmon Municipal |
| Lincoln Municipal (LNK) | Lincoln | NE | Slayton Municipal to Lincoln Municipal |
| Tri-County Regional (LNR) | Lone Rock | WI | Slayton Municipal to Tri-County Regional |
| Le Mars Municipal (LRJ) | Le Mars | IA | Slayton Municipal to Le Mars Municipal |
| La Crosse Regional (LSE) | La Crosse | WI | Slayton Municipal to La Crosse Regional |
| Lawrence Municipal (LWC) | Lawrence | KS | Slayton Municipal to Lawrence Municipal |
| Jim Kelly Field (LXN) | Lexington | NE | Slayton Municipal to Jim Kelly Field |
| Ely Municipal (LYU) | Ely | MN | Slayton Municipal to Ely Municipal |
| Mobridge Municipal (MBG) | Mobridge | SD | Slayton Municipal to Mobridge Municipal |
| Omar N Bradley (MBY) | Moberly | MO | Slayton Municipal to Omar N Bradley |
| Kansas City International (MCI) | Kansas City | MO | Slayton Municipal to Kansas City International |
| Mccook Ben Nelson Regional (MCK) | Mc Cook | NE | Slayton Municipal to Mccook Ben Nelson Regional |
| Mason City Municipal (MCW) | Mason City | IA | Slayton Municipal to Mason City Municipal |
| Taylor County (MDF) | Medford | WI | Slayton Municipal to Taylor County |
| Marshfield Municipal (MFI) | Marshfield | WI | Slayton Municipal to Marshfield Municipal |
| Mitchell Municipal (MHE) | Mitchell | SD | Slayton Municipal to Mitchell Municipal |
| Manhattan Regional (MHK) | Manhattan | KS | Slayton Municipal to Manhattan Regional |
| Marshall Memorial Municipal (MHL) | Marshall | MO | Slayton Municipal to Marshall Memorial Municipal |
| Crystal (MIC) | Minneapolis | MN | Slayton Municipal to Crystal |
| Omaha Millard (MIQ) | Omaha | NE | Slayton Municipal to Omaha Millard |
| Marshalltown Municipal (MIW) | Marshalltown | IA | Slayton Municipal to Marshalltown Municipal |
| Jackson Municipal (MJQ) | Jackson | MN | Slayton Municipal to Jackson Municipal |
| Charles B Wheeler Downtown (MKC) | Kansas City | MO | Slayton Municipal to Charles B Wheeler Downtown |
| Milwaukee General Mitchell International (MKE) | Milwaukee | WI | Slayton Municipal to Milwaukee General Mitchell International |
| Mankato Regional (MKT) | Mankato | MN | Slayton Municipal to Mankato Regional |
| Quad City International (MLI) | Moline | IL | Slayton Municipal to Quad City International |
| Minot International (MOT) | Minot | ND | Slayton Municipal to Minot International |
| Morris Municipal/Charlie Schmidt Field (MOX) | Morris | MN | Slayton Municipal to Morris Municipal/Charlie Schmidt Field |
| Mount Pleasant Municipal (MPZ) | Mount Pleasant | IA | Slayton Municipal to Mount Pleasant Municipal |
| Macomb Municipal (MQB) | Macomb | IL | Slayton Municipal to Macomb Municipal |
| Truax Field/Dane County Regional (MSN) | Madison | WI | Slayton Municipal to Truax Field/Dane County Regional |
| Minneapolis St Paul International/Wold-Chamberlain (MSP) | Minneapolis | MN | Slayton Municipal to Minneapolis St Paul International/Wold-Chamberlain |
| Muscatine Municipal (MUT) | Muscatine | IA | Slayton Municipal to Muscatine Municipal |
| Montevideo-Chippewa County (MVE) | Montevideo | MN | Slayton Municipal to Montevideo-Chippewa County |
| Lawrence J Timmerman (MWC) | Milwaukee | WI | Slayton Municipal to Lawrence J Timmerman |
| Monticello Regional (MXO) | Monticello | IA | Slayton Municipal to Monticello Regional |
| L O Simenstad Municipal (OEO) | Osceola | WI | Slayton Municipal to L O Simenstad Municipal |
| Norfolk Regional/Karl Stefan Memorial Field (OFK) | Norfolk | NE | Slayton Municipal to Norfolk Regional/Karl Stefan Memorial Field |
| Searle Field (OGA) | Ogallala | NE | Slayton Municipal to Searle Field |
| Johnson County Executive (OJC) | Olathe | KS | Slayton Municipal to Johnson County Executive |
| Garden County (OKS) | Oshkosh | NE | Slayton Municipal to Garden County |
| Columbus Municipal (OLU) | Columbus | NE | Slayton Municipal to Columbus Municipal |
| Eppley Airfield (OMA) | Omaha | NE | Slayton Municipal to Eppley Airfield |
| Winona Municipal-Max Conrad Field (ONA) | Winona | MN | Slayton Municipal to Winona Municipal-Max Conrad Field |
| The O'neill Municipal-John L Baker Field (ONL) | O'neill | NE | Slayton Municipal to The O'neill Municipal-John L Baker Field |
| Oskaloosa Municipal (OOA) | Oskaloosa | IA | Slayton Municipal to Oskaloosa Municipal |
| Wittman Regional (OSH) | Oshkosh | WI | Slayton Municipal to Wittman Regional |
| Ottumwa Regional (OTM) | Ottumwa | IA | Slayton Municipal to Ottumwa Regional |
| Owatonna Degner Regional (OWA) | Owatonna | MN | Slayton Municipal to Owatonna Degner Regional |
| Prairie Du Chien Muni (PCD) | Prairie Duchien | WI | Slayton Municipal to Prairie Du Chien Muni |
| Philip (PHP) | Philip | SD | Slayton Municipal to Philip |
| Gen Wayne A Downing Peoria International (PIA) | Peoria | IL | Slayton Municipal to Gen Wayne A Downing Peoria International |
| Pierre Regional (PIR) | Pierre | SD | Slayton Municipal to Pierre Regional |
| Park Rapids Municipal-Konshok Field (PKD) | Park Rapids | MN | Slayton Municipal to Park Rapids Municipal-Konshok Field |
| Park Falls Municipal (PKF) | Park Falls | WI | Slayton Municipal to Park Falls Municipal |
| Pembina Municipal (PMB) | Pembina | ND | Slayton Municipal to Pembina Municipal |
| Pocahontas Municipal (POH) | Pocahontas | IA | Slayton Municipal to Pocahontas Municipal |
| Perry Municipal (PRO) | Perry | IA | Slayton Municipal to Perry Municipal |
| Prentice Municipal (PRW) | Prentice | WI | Slayton Municipal to Prentice Municipal |
| Rapid City Regional (RAP) | Rapid City | SD | Slayton Municipal to Rapid City Regional |
| Rooks County Regional (RCP) | Stockton | KS | Slayton Municipal to Rooks County Regional |
| Chicago/Rockford International (RFD) | Rockford | IL | Slayton Municipal to Chicago/Rockford International |
| Rhinelander Oneida County (RHI) | Rhinelander | WI | Slayton Municipal to Rhinelander Oneida County |
| Rice Lake Regional - Carl's Field (RIE) | Rice Lake | WI | Slayton Municipal to Rice Lake Regional - Carl's Field |
| New Richmond Regional (RNH) | New Richmond | WI | Slayton Municipal to New Richmond Regional |
| Roseau Municipal/Rudy Billberg Field (ROX) | Roseau | MN | Slayton Municipal to Roseau Municipal/Rudy Billberg Field |
| Merrill Municipal (RRL) | Merrill | WI | Slayton Municipal to Merrill Municipal |
| Warroad International Memorial (RRT) | Warroad | MN | Slayton Municipal to Warroad International Memorial |
| Russell Municipal (RSL) | Russell | KS | Slayton Municipal to Russell Municipal |
| Rochester International (RST) | Rochester | MN | Slayton Municipal to Rochester International |
| Spirit Lake Municipal (RTL) | Spirit Lake | IA | Slayton Municipal to Spirit Lake Municipal |
| Redwood Falls Municipal (RWF) | Redwood Falls | MN | Slayton Municipal to Redwood Falls Municipal |
| Sheboygan County Memorial (SBM) | Sheboygan | WI | Slayton Municipal to Sheboygan County Memorial |
| Scribner State (SCB) | Scribner | NE | Slayton Municipal to Scribner State |
| Storm Lake Municipal (SLB) | Storm Lake | IA | Slayton Municipal to Storm Lake Municipal |
| Salina Regional (SLN) | Salina | KS | Slayton Municipal to Salina Regional |
| Black Hills-Clyde Ice Field (SPF) | Spearfish | SD | Slayton Municipal to Black Hills-Clyde Ice Field |
| Spencer Municipal/Northwest Iowa Regional (SPW) | Spencer | IA | Slayton Municipal to Spencer Municipal/Northwest Iowa Regional |
| Whiteside Co-Jos H Bittorf Field (SQI) | Sterling/Rock Falls | IL | Slayton Municipal to Whiteside Co-Jos H Bittorf Field |
| St Cloud Regional (STC) | St Cloud | MN | Slayton Municipal to St Cloud Regional |
| Stevens Point Muni (STE) | Stevens Point | WI | Slayton Municipal to Stevens Point Muni |
| Rosecrans Memorial (STJ) | St Joseph | MO | Slayton Municipal to Rosecrans Memorial |
| St Paul Downtown Holman Field (STP) | St Paul | MN | Slayton Municipal to St Paul Downtown Holman Field |
| Richard I Bong Memorial (SUW) | Superior | WI | Slayton Municipal to Richard I Bong Memorial |
| Sioux Gateway/Col Bud Day Field (SUX) | Sioux City | IA | Slayton Municipal to Sioux Gateway/Col Bud Day Field |
| Newton Municipal (TNU) | Newton | IA | Slayton Municipal to Newton Municipal |
| Philip Billard Municipal (TOP) | Topeka | KS | Slayton Municipal to Philip Billard Municipal |
| Trenton Municipal (TRX) | Trenton | MO | Slayton Municipal to Trenton Municipal |
| Britton Municipal (TTO) | Britton | SD | Slayton Municipal to Britton Municipal |
| Thief River Falls Regional (TVF) | Thief River Falls | MN | Slayton Municipal to Thief River Falls Regional |
| Waukesha County (UES) | Waukesha | WI | Slayton Municipal to Waukesha County |
| Baldwin Field/Quincy Regional (UIN) | Quincy | IL | Slayton Municipal to Baldwin Field/Quincy Regional |
| Waukon Municipal Airport (UKN) | Waukon | IA | Slayton Municipal to Waukon Municipal Airport |
| New Ulm Municipal (ULM) | New Ulm | MN | Slayton Municipal to New Ulm Municipal |
| Dodge County (UNU) | Juneau | WI | Slayton Municipal to Dodge County |
| Miller Field (VTN) | Valentine | NE | Slayton Municipal to Miller Field |
| Walter A Duncan Field/Illinois Valley Regional (VYS) | Peru | IL | Slayton Municipal to Walter A Duncan Field/Illinois Valley Regional |
| Harry Stern (WAH) | Wahpeton | ND | Slayton Municipal to Harry Stern |
| Grand Geneva Resort (XES) | Lake Geneva | WI | Slayton Municipal to Grand Geneva Resort |
| Madison Municipal (XMD) | Madison | SD | Slayton Municipal to Madison Municipal |
| Pine Ridge (XPR) | Pine Ridge | SD | Slayton Municipal to Pine Ridge |
| Fort Frances Municipal (YAG) | Fort Frances | ON | Slayton Municipal to Fort Frances Municipal |
| Atikokan Municipal (YIB) | Atikokan | ON | Slayton Municipal to Atikokan Municipal |
| Chan Gurney Municipal (YKN) | Yankton | SD | Slayton Municipal to Chan Gurney Municipal |
