| Aberdeen Regional (ABR) | Aberdeen | SD | Northeast Iowa Regional to Aberdeen Regional |
| Antrim County (ACB) | Bellaire | MI | Northeast Iowa Regional to Antrim County |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Northeast Iowa Regional to Albert Lea Municipal |
| Amery Municipal (AHH) | Amery | WI | Northeast Iowa Regional to Amery Municipal |
| Atlantic Municipal (AIO) | Atlantic | IA | Northeast Iowa Regional to Atlantic Municipal |
| Lee C Fine Memorial (AIZ) | KAISER/LAKE OZARK | MO | Northeast Iowa Regional to Lee C Fine Memorial |
| St Louis Regional (ALN) | Alton | IL | Northeast Iowa Regional to St Louis Regional |
| Gratiot Community (AMN) | Alma | MI | Northeast Iowa Regional to Gratiot Community |
| Ames Municipal (AMW) | Ames | IA | Northeast Iowa Regional to Ames Municipal |
| Tri-State Steuben County (ANQ) | Angola | IN | Northeast Iowa Regional to Tri-State Steuben County |
| Ainsworth Regional (ANW) | Ainsworth | NE | Northeast Iowa Regional to Ainsworth Regional |
| Lakeland/Noble F. Lee Memorial Field (ARV) | Minocqua | WI | Northeast Iowa Regional to Lakeland/Noble F. Lee Memorial Field |
| John F Kennedy Memorial (ASX) | Ashland | WI | Northeast Iowa Regional to John F Kennedy Memorial |
| Ashley Municipal (ASY) | Ashley | ND | Northeast Iowa Regional to Ashley Municipal |
| Appleton International (ATW) | Appleton | WI | Northeast Iowa Regional to Appleton International |
| Watertown Regional (ATY) | Watertown | SD | Northeast Iowa Regional to Watertown Regional |
| Austin Municipal (AUM) | Austin | MN | Northeast Iowa Regional to Austin Municipal |
| Wausau Downtown (AUW) | Wausau | WI | Northeast Iowa Regional to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Northeast Iowa Regional to Chicago/Aurora Municipal |
| Algona Municipal (AXG) | Algona | IA | Northeast Iowa Regional to Algona Municipal |
| Chandler Field (AXN) | Alexandria | MN | Northeast Iowa Regional to Chandler Field |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Northeast Iowa Regional to Kalamazoo/Battle Creek International |
| Benson Municipal (BBB) | Benson | MN | Northeast Iowa Regional to Benson Municipal |
| Broken Bow Municipal/Keith Glaze Field (BBW) | Broken Bow | NE | Northeast Iowa Regional to Broken Bow Municipal/Keith Glaze Field |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Northeast Iowa Regional to Southwest Michigan Regional |
| Beatrice Municipal (BIE) | Beatrice | NE | Northeast Iowa Regional to Beatrice Municipal |
| Bemidji Regional (BJI) | Bemidji | MN | Northeast Iowa Regional to Bemidji Regional |
| Brookings Regional (BKX) | Brookings | SD | Northeast Iowa Regional to Brookings Regional |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Northeast Iowa Regional to MidAmerica St Louis Scott AFB |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Northeast Iowa Regional to Central Illinois Regional at Bloomington Normal |
| Boone Municipal (BNW) | Boone | IA | Northeast Iowa Regional to Boone Municipal |
| Brainerd Lakes Regional (BRD) | Brainerd | MN | Northeast Iowa Regional to Brainerd Lakes Regional |
| Southeast Iowa Regional (BRL) | Burlington | IA | Northeast Iowa Regional to Southeast Iowa Regional |
| W K Kellogg Regional (BTL) | Battle Creek | MI | Northeast Iowa Regional to W K Kellogg Regional |
| Cram Field (BUB) | Burwell | NE | Northeast Iowa Regional to Cram Field |
| Butler Memorial (BUM) | Butler | MO | Northeast Iowa Regional to Butler Memorial |
| Wexford County (CAD) | Cadillac | MI | Northeast Iowa Regional to Wexford County |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | Northeast Iowa Regional to Council Bluffs Municipal |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Northeast Iowa Regional to The Eastern Iowa |
| Arthur N Neu (CIN) | Carroll | IA | Northeast Iowa Regional to Arthur N Neu |
| Crookston Municipal Kirkwood Field (CKN) | Crookston | MN | Northeast Iowa Regional to Crookston Municipal Kirkwood Field |
| Clintonville Municipal (CLI) | Clintonville | WI | Northeast Iowa Regional to Clintonville Municipal |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Northeast Iowa Regional to University of Illinois-Willard |
| Houghton County Memorial (CMX) | Hancock | MI | Northeast Iowa Regional to Houghton County Memorial |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Northeast Iowa Regional to Sparta/Fort Mccoy |
| Blosser Municipal (CNK) | Concordia | KS | Northeast Iowa Regional to Blosser Municipal |
| Columbia Regional (COU) | Columbia | MO | Northeast Iowa Regional to Columbia Regional |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Northeast Iowa Regional to St Louis Downtown |
| Creston Municipal (CSQ) | Creston | IA | Northeast Iowa Regional to Creston Municipal |
| Canton Municipal (CTK) | Canton | SD | Northeast Iowa Regional to Canton Municipal |
| Central Wisconsin (CWA) | Mosinee | WI | Northeast Iowa Regional to Central Wisconsin |
| Clinton Municipal (CWI) | Clinton | IA | Northeast Iowa Regional to Clinton Municipal |
| Dubuque Regional (DBQ) | Dubuque | IA | Northeast Iowa Regional to Dubuque Regional |
| Decatur (DEC) | Decatur | IL | Northeast Iowa Regional to Decatur |
| Decorah Municipal (DEH) | Decorah | IA | Northeast Iowa Regional to Decorah Municipal |
| Duluth International (DLH) | Duluth | MN | Northeast Iowa Regional to Duluth International |
| Sedalia Regional (DMO) | Sedalia | MO | Northeast Iowa Regional to Sedalia Regional |
| Denison Municipal (DNS) | Denison | IA | Northeast Iowa Regional to Denison Municipal |
| Vermilion Regional (DNV) | Danville | IL | Northeast Iowa Regional to Vermilion Regional |
| Dupage (DPA) | Chicago | IL | Northeast Iowa Regional to Dupage |
| Des Moines International (DSM) | Des Moines | IA | Northeast Iowa Regional to Des Moines International |
| Detroit Lakes-Wething Field (DTL) | Detroit Lakes | MN | Northeast Iowa Regional to Detroit Lakes-Wething Field |
| Davenport Municipal (DVN) | Davenport | IA | Northeast Iowa Regional to Davenport Municipal |
| Kearney Regional (EAR) | Kearney | NE | Northeast Iowa Regional to Kearney Regional |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | Northeast Iowa Regional to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | Northeast Iowa Regional to Webster City Municipal |
| Jefferson Municipal (EFW) | Jefferson | IA | Northeast Iowa Regional to Jefferson Municipal |
| Eagle River Union (EGV) | Eagle River | WI | Northeast Iowa Regional to Eagle River Union |
| Elkhart Municipal (EKI) | Elkhart | IN | Northeast Iowa Regional to Elkhart Municipal |
| Emporia Municipal (EMP) | Emporia | KS | Northeast Iowa Regional to Emporia Municipal |
| Centralia Municipal (ENL) | Centralia | IL | Northeast Iowa Regional to Centralia Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Northeast Iowa Regional to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | Northeast Iowa Regional to Keokuk Municipal |
| Delta County (ESC) | Escanaba | MI | Northeast Iowa Regional to Delta County |
| Estherville Municipal (EST) | Estherville | IA | Northeast Iowa Regional to Estherville Municipal |
| West Bend Municipal (ETB) | West Bend | WI | Northeast Iowa Regional to West Bend Municipal |
| Eveleth-Virginia Municipal (EVM) | Eveleth | MN | Northeast Iowa Regional to Eveleth-Virginia Municipal |
| Farmington Regional (FAM) | Farmington | MO | Northeast Iowa Regional to Farmington Regional |
| Hector International Fargo (FAR) | Fargo | ND | Northeast Iowa Regional to Hector International Fargo |
| Faribault Municipal (FBL) | Faribault | MN | Northeast Iowa Regional to Faribault Municipal |
| Fairbury Municipal (FBY) | Fairbury | NE | Northeast Iowa Regional to Fairbury Municipal |
| Flying Cloud (FCM) | Minneapolis | MN | Northeast Iowa Regional to Flying Cloud |
| Albertus (FEP) | Freeport | IL | Northeast Iowa Regional to Albertus |
| Fremont Municipal (FET) | Fremont | NE | Northeast Iowa Regional to Fremont Municipal |
| Fairfield Municipal (FFL) | Fairfield | IA | Northeast Iowa Regional to Fairfield Municipal |
| Fergus Falls Municipal-Einar Mickelson Field (FFM) | Fergus Falls | MN | Northeast Iowa Regional to Fergus Falls Municipal-Einar Mickelson Field |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | Northeast Iowa Regional to Fond Du Lac County |
| Sherman Army Airfield (FLV) | Fort Leavenworth | KS | Northeast Iowa Regional to Sherman Army Airfield |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Northeast Iowa Regional to Fort Madison Municipal |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | Northeast Iowa Regional to Fort Dodge Regional |
| Topeka Regional (FOE) | Topeka | KS | Northeast Iowa Regional to Topeka Regional |
| Fairmont Municipal (FRM) | Fairmont | MN | Northeast Iowa Regional to Fairmont Municipal |
| Sioux Falls Regional, Joe Foss Field (FSD) | Sioux Falls | SD | Northeast Iowa Regional to Sioux Falls Regional, Joe Foss Field |
| Fort Scott Municipal (FSK) | Fort Scott | KS | Northeast Iowa Regional to Fort Scott Municipal |
| Forest City Municipal (FXY) | Forest City | IA | Northeast Iowa Regional to Forest City Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Northeast Iowa Regional to Galesburg Municipal |
| Grand Forks International (GFK) | Grand Forks | ND | Northeast Iowa Regional to Grand Forks International |
| Grand Rapids/Itasca County-Gordon Newstrom Field (GPZ) | Grand Rapids | MN | Northeast Iowa Regional to Grand Rapids/Itasca County-Gordon Newstrom Field |
| Austin Straubel International (GRB) | Green Bay | WI | Northeast Iowa Regional to Austin Straubel International |
| Greenville (GRE) | Greenville | IL | Northeast Iowa Regional to Greenville |
| Central Nebraska Regional (GRI) | Grand Island | NE | Northeast Iowa Regional to Central Nebraska Regional |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | Northeast Iowa Regional to Grand Marais/Cook County |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Northeast Iowa Regional to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Northeast Iowa Regional to Goshen Municipal |
| Grantsburg Muni (GTG) | Grantsburg | WI | Northeast Iowa Regional to Grantsburg Muni |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Northeast Iowa Regional to Grissom Aeroplex/Arb |
| Gary/Chicago International (GYY) | GARY | IN | Northeast Iowa Regional to Gary/Chicago International |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Northeast Iowa Regional to Three Rivers Municipal Dr Haines |
| Brewster Field (HDE) | Holdrege | NE | Northeast Iowa Regional to Brewster Field |
| Range Regional (HIB) | Hibbing | MN | Northeast Iowa Regional to Range Regional |
| Park Township (HLM) | Holland | MI | Northeast Iowa Regional to Park Township |
| Huron Regional (HON) | Huron | SD | Northeast Iowa Regional to Huron Regional |
| Hastings Municipal (HSI) | Hastings | NE | Northeast Iowa Regional to Hastings Municipal |
| Humboldt Municipal (HUD) | Humboldt | IA | Northeast Iowa Regional to Humboldt Municipal |
| Terre Haute Regional/Hulman Field (HUF) | Terre Haute | IN | Northeast Iowa Regional to Terre Haute Regional/Hulman Field |
| Sawyer County (HYR) | Hayward | WI | Northeast Iowa Regional to Sawyer County |
| Schenck Field (ICL) | Clarinda | IA | Northeast Iowa Regional to Schenck Field |
| Ida Grove Municipal (IDG) | Ida Grove | IA | Northeast Iowa Regional to Ida Grove Municipal |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Northeast Iowa Regional to Iowa Falls Municipal |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Northeast Iowa Regional to Jacksonville Municipal |
| Greater Kankakee (IKK) | Kankakee | IL | Northeast Iowa Regional to Greater Kankakee |
| Willmar Municipal/John L Rice Field (ILL) | Willmar | MN | Northeast Iowa Regional to Willmar Municipal/John L Rice Field |
| Ford (IMT) | Iron Mountain | MI | Northeast Iowa Regional to Ford |
| Indianapolis International (IND) | Indianapolis | IN | Northeast Iowa Regional to Indianapolis International |
| Falls Intl-Einarson Field (INL) | International Falls | MN | Northeast Iowa Regional to Falls Intl-Einarson Field |
| Iowa City Municipal (IOW) | Iowa City | IA | Northeast Iowa Regional to Iowa City Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Northeast Iowa Regional to Kirksville Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Northeast Iowa Regional to Kirsch Municipal |
| Schoolcraft County (ISQ) | Manistique | MI | Northeast Iowa Regional to Schoolcraft County |
| Alexander Field South Wood County (ISW) | Wisconsin Rapids | WI | Northeast Iowa Regional to Alexander Field South Wood County |
| Gogebic-Iron County (IWD) | Ironwood | MI | Northeast Iowa Regional to Gogebic-Iron County |
| New Century Aircenter (JCI) | Olathe | KS | Northeast Iowa Regional to New Century Aircenter |
| Jefferson City Memorial (JEF) | Jefferson City | MO | Northeast Iowa Regional to Jefferson City Memorial |
| Jamestown Regional (JMS) | Jamestown | ND | Northeast Iowa Regional to Jamestown Regional |
| Joliet Regional Airport (JOT) | Joliet | IL | Northeast Iowa Regional to Joliet Regional Airport |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Northeast Iowa Regional to Souther Wisconsin Regional |
| Kentland Municipal (KKT) | Kentland | IN | Northeast Iowa Regional to Kentland Municipal |
| Purdue University (LAF) | Lafayette | IN | Northeast Iowa Regional to Purdue University |
| Mason County (LDM) | Ludington | MI | Northeast Iowa Regional to Mason County |
| Lincoln Municipal (LNK) | Lincoln | NE | Northeast Iowa Regional to Lincoln Municipal |
| Tri-County Regional (LNR) | Lone Rock | WI | Northeast Iowa Regional to Tri-County Regional |
| Lewis University Chicago Romeoville (LOT) | Chicago/Romeoville | IL | Northeast Iowa Regional to Lewis University Chicago Romeoville |
| La Porte Municipal (LPO) | La Porte | IN | Northeast Iowa Regional to La Porte Municipal |
| Le Mars Municipal (LRJ) | Le Mars | IA | Northeast Iowa Regional to Le Mars Municipal |
| La Crosse Regional (LSE) | La Crosse | WI | Northeast Iowa Regional to La Crosse Regional |
| Lawrence Municipal (LWC) | Lawrence | KS | Northeast Iowa Regional to Lawrence Municipal |
| Lawrenceville-Vincennes International (LWV) | Lawrenceville | IL | Northeast Iowa Regional to Lawrenceville-Vincennes International |
| Jim Kelly Field (LXN) | Lexington | NE | Northeast Iowa Regional to Jim Kelly Field |
| Ely Municipal (LYU) | Ely | MN | Northeast Iowa Regional to Ely Municipal |
| Quentin Aanenson Field (LYV) | Luverne | MN | Northeast Iowa Regional to Quentin Aanenson Field |
| Manistee County-Blacker (MBL) | Manistee | MI | Northeast Iowa Regional to Manistee County-Blacker |
| Omar N Bradley (MBY) | Moberly | MO | Northeast Iowa Regional to Omar N Bradley |
| Kansas City International (MCI) | Kansas City | MO | Northeast Iowa Regional to Kansas City International |
| Taylor County (MDF) | Medford | WI | Northeast Iowa Regional to Taylor County |
| Chicago Midway International (MDW) | Chicago | IL | Northeast Iowa Regional to Chicago Midway International |
| Marshfield Municipal (MFI) | Marshfield | WI | Northeast Iowa Regional to Marshfield Municipal |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Northeast Iowa Regional to Michigan City Municipal-Phillips Field |
| Mitchell Municipal (MHE) | Mitchell | SD | Northeast Iowa Regional to Mitchell Municipal |
| Manhattan Regional (MHK) | Manhattan | KS | Northeast Iowa Regional to Manhattan Regional |
| Marshall Memorial Municipal (MHL) | Marshall | MO | Northeast Iowa Regional to Marshall Memorial Municipal |
| Crystal (MIC) | Minneapolis | MN | Northeast Iowa Regional to Crystal |
| Omaha Millard (MIQ) | Omaha | NE | Northeast Iowa Regional to Omaha Millard |
| Marshalltown Municipal (MIW) | Marshalltown | IA | Northeast Iowa Regional to Marshalltown Municipal |
| Jackson Municipal (MJQ) | Jackson | MN | Northeast Iowa Regional to Jackson Municipal |
| Charles B Wheeler Downtown (MKC) | Kansas City | MO | Northeast Iowa Regional to Charles B Wheeler Downtown |
| Milwaukee General Mitchell International (MKE) | Milwaukee | WI | Northeast Iowa Regional to Milwaukee General Mitchell International |
| Muskegon County (MKG) | Muskegon | MI | Northeast Iowa Regional to Muskegon County |
| Mankato Regional (MKT) | Mankato | MN | Northeast Iowa Regional to Mankato Regional |
| Quad City International (MLI) | Moline | IL | Northeast Iowa Regional to Quad City International |
| Southwest Minnesota Regional Marshall/Ryan Field (MML) | Marshall | MN | Northeast Iowa Regional to Southwest Minnesota Regional Marshall/Ryan Field |
| Menominee-Marinette Twin County (MNM) | Menominee | MI | Northeast Iowa Regional to Menominee-Marinette Twin County |
| Mount Pleasant Municipal (MOP) | Mount Pleasant | MI | Northeast Iowa Regional to Mount Pleasant Municipal |
| Morris Municipal/Charlie Schmidt Field (MOX) | Morris | MN | Northeast Iowa Regional to Morris Municipal/Charlie Schmidt Field |
| Mount Pleasant Municipal (MPZ) | Mount Pleasant | IA | Northeast Iowa Regional to Mount Pleasant Municipal |
| Macomb Municipal (MQB) | Macomb | IL | Northeast Iowa Regional to Macomb Municipal |
| Sawyer International (MQT) | Marquette | MI | Northeast Iowa Regional to Sawyer International |
| Truax Field/Dane County Regional (MSN) | Madison | WI | Northeast Iowa Regional to Truax Field/Dane County Regional |
| Minneapolis St Paul International/Wold-Chamberlain (MSP) | Minneapolis | MN | Northeast Iowa Regional to Minneapolis St Paul International/Wold-Chamberlain |
| Coles County Memorial (MTO) | Mattoon/Charleston | IL | Northeast Iowa Regional to Coles County Memorial |
| Manitowoc County (MTW) | Manitowoc | WI | Northeast Iowa Regional to Manitowoc County |
| Muscatine Municipal (MUT) | Muscatine | IA | Northeast Iowa Regional to Muscatine Municipal |
| Montevideo-Chippewa County (MVE) | Montevideo | MN | Northeast Iowa Regional to Montevideo-Chippewa County |
| Mount Vernon (MVN) | Mount Vernon | IL | Northeast Iowa Regional to Mount Vernon |
| Lawrence J Timmerman (MWC) | Milwaukee | WI | Northeast Iowa Regional to Lawrence J Timmerman |
| Windom Municipal (MWM) | Windom | MN | Northeast Iowa Regional to Windom Municipal |
| Monticello Regional (MXO) | Monticello | IA | Northeast Iowa Regional to Monticello Regional |
| Marion Municipal (MZZ) | Marion | IN | Northeast Iowa Regional to Marion Municipal |
| Jerry Tyler Memorial (NLE) | Niles | MI | Northeast Iowa Regional to Jerry Tyler Memorial |
| Slayton Municipal (NSL) | Slayton | MN | Northeast Iowa Regional to Slayton Municipal |
| Nevada Municipal (NVD) | Nevada | MO | Northeast Iowa Regional to Nevada Municipal |
| L O Simenstad Municipal (OEO) | Osceola | WI | Northeast Iowa Regional to L O Simenstad Municipal |
| Norfolk Regional/Karl Stefan Memorial Field (OFK) | Norfolk | NE | Northeast Iowa Regional to Norfolk Regional/Karl Stefan Memorial Field |
| Johnson County Executive (OJC) | Olathe | KS | Northeast Iowa Regional to Johnson County Executive |
| Kokomo Municipal (OKK) | Kokomo | IN | Northeast Iowa Regional to Kokomo Municipal |
| Columbus Municipal (OLU) | Columbus | NE | Northeast Iowa Regional to Columbus Municipal |
| Olney-Noble (OLY) | Olney-Noble | IL | Northeast Iowa Regional to Olney-Noble |
| Eppley Airfield (OMA) | Omaha | NE | Northeast Iowa Regional to Eppley Airfield |
| Winona Municipal-Max Conrad Field (ONA) | Winona | MN | Northeast Iowa Regional to Winona Municipal-Max Conrad Field |
| The O'neill Municipal-John L Baker Field (ONL) | O'neill | NE | Northeast Iowa Regional to The O'neill Municipal-John L Baker Field |
| Oskaloosa Municipal (OOA) | Oskaloosa | IA | Northeast Iowa Regional to Oskaloosa Municipal |
| Chicago O'hare International (ORD) | Chicago | IL | Northeast Iowa Regional to Chicago O'hare International |
| Grand Glaize Osage Beach (OSB) | Osage Beach | MO | Northeast Iowa Regional to Grand Glaize Osage Beach |
| Wittman Regional (OSH) | Oshkosh | WI | Northeast Iowa Regional to Wittman Regional |
| Worthington Municipal (OTG) | Worthington | MN | Northeast Iowa Regional to Worthington Municipal |
| Ottumwa Regional (OTM) | Ottumwa | IA | Northeast Iowa Regional to Ottumwa Regional |
| Owatonna Degner Regional (OWA) | Owatonna | MN | Northeast Iowa Regional to Owatonna Degner Regional |
| Prairie Du Chien Municipal (PCD) | Prairie Duchien | WI | Northeast Iowa Regional to Prairie Du Chien Municipal |
| Gen Wayne A Downing Peoria International (PIA) | Peoria | IL | Northeast Iowa Regional to Gen Wayne A Downing Peoria International |
| Pierre Regional (PIR) | Pierre | SD | Northeast Iowa Regional to Pierre Regional |
| Park Rapids Municipal-Konshok Field (PKD) | Park Rapids | MN | Northeast Iowa Regional to Park Rapids Municipal-Konshok Field |
| Park Falls Municipal (PKF) | Park Falls | WI | Northeast Iowa Regional to Park Falls Municipal |
| Plymouth Municipal (PLY) | Plymouth | IN | Northeast Iowa Regional to Plymouth Municipal |
| Pocahontas Municipal (POH) | Pocahontas | IA | Northeast Iowa Regional to Pocahontas Municipal |
| Perry Municipal (PRO) | Perry | IA | Northeast Iowa Regional to Perry Municipal |
| Prentice Municipal (PRW) | Prentice | WI | Northeast Iowa Regional to Prentice Municipal |
| Chicago Executive (PWK) | Chicago | IL | Northeast Iowa Regional to Chicago Executive |
| Batten International (RAC) | Racine | WI | Northeast Iowa Regional to Batten International |
| Fulton County (RCR) | Rochester | IN | Northeast Iowa Regional to Fulton County |
| Nartron Field (RCT) | Reed City | MI | Northeast Iowa Regional to Nartron Field |
| Chicago/Rockford International (RFD) | Rockford | IL | Northeast Iowa Regional to Chicago/Rockford International |
| Rhinelander Oneida County (RHI) | Rhinelander | WI | Northeast Iowa Regional to Rhinelander Oneida County |
| Rice Lake Regional - Carl's Field (RIE) | Rice Lake | WI | Northeast Iowa Regional to Rice Lake Regional - Carl's Field |
| Rolla Downtown (RLA) | Rolla | MO | Northeast Iowa Regional to Rolla Downtown |
| New Richmond Regional (RNH) | New Richmond | WI | Northeast Iowa Regional to New Richmond Regional |
| Jasper County (RNZ) | Rensselaer | IN | Northeast Iowa Regional to Jasper County |
| Merrill Municipal (RRL) | Merrill | WI | Northeast Iowa Regional to Merrill Municipal |
| Rochester International (RST) | Rochester | MN | Northeast Iowa Regional to Rochester International |
| Spirit Lake Municipal (RTL) | Spirit Lake | IA | Northeast Iowa Regional to Spirit Lake Municipal |
| Redwood Falls Municipal (RWF) | Redwood Falls | MN | Northeast Iowa Regional to Redwood Falls Municipal |
| Sparta Community - Hunter Field (SAR) | Sparta | IL | Northeast Iowa Regional to Sparta Community - Hunter Field |
| Sheboygan County Memorial (SBM) | Sheboygan | WI | Northeast Iowa Regional to Sheboygan County Memorial |
| South Bend International (SBN) | South Bend | IN | Northeast Iowa Regional to South Bend International |
| Scribner State (SCB) | Scribner | NE | Northeast Iowa Regional to Scribner State |
| Sullivan County (SIV) | Sullivan | IN | Northeast Iowa Regional to Sullivan County |
| Storm Lake Municipal (SLB) | Storm Lake | IA | Northeast Iowa Regional to Storm Lake Municipal |
| Salina Regional (SLN) | Salina | KS | Northeast Iowa Regional to Salina Regional |
| Salem-Leckrone (SLO) | Salem | IL | Northeast Iowa Regional to Salem-Leckrone |
| Smith Field (SMD) | Fort Wayne | IN | Northeast Iowa Regional to Smith Field |
| Abraham Lincoln Capital (SPI) | Springfield | IL | Northeast Iowa Regional to Abraham Lincoln Capital |
| Spencer Municipal/Northwest Iowa Regional (SPW) | Spencer | IA | Northeast Iowa Regional to Spencer Municipal/Northwest Iowa Regional |
| Whiteside Co-Jos H Bittorf Field (SQI) | Sterling/Rock Falls | IL | Northeast Iowa Regional to Whiteside Co-Jos H Bittorf Field |
| St Cloud Regional (STC) | St Cloud | MN | Northeast Iowa Regional to St Cloud Regional |
| Stevens Point Municipal (STE) | Stevens Point | WI | Northeast Iowa Regional to Stevens Point Municipal |
| Rosecrans Memorial (STJ) | St Joseph | MO | Northeast Iowa Regional to Rosecrans Memorial |
| Lambert St Louis International (STL) | St Louis | MO | Northeast Iowa Regional to Lambert St Louis International |
| St Paul Downtown Holman Field (STP) | St Paul | MN | Northeast Iowa Regional to St Paul Downtown Holman Field |
| Door County Cherryland (SUE) | Sturgeon Bay | WI | Northeast Iowa Regional to Door County Cherryland |
| Spirit of St Louis (SUS) | St Louis | MO | Northeast Iowa Regional to Spirit of St Louis |
| Richard I Bong Memorial (SUW) | Superior | WI | Northeast Iowa Regional to Richard I Bong Memorial |
| Sioux Gateway/Col Bud Day Field (SUX) | Sioux City | IA | Northeast Iowa Regional to Sioux Gateway/Col Bud Day Field |
| Waynesville St Robert Regional/Forney Field (TBN) | Fort Leonard Wood | MO | Northeast Iowa Regional to Waynesville St Robert Regional/Forney Field |
| Newton Municipal (TNU) | Newton | IA | Northeast Iowa Regional to Newton Municipal |
| Philip Billard Municipal (TOP) | Topeka | KS | Northeast Iowa Regional to Philip Billard Municipal |
| Trenton Municipal (TRX) | Trenton | MO | Northeast Iowa Regional to Trenton Municipal |
| Britton Municipal (TTO) | Britton | SD | Northeast Iowa Regional to Britton Municipal |
| Cherry Capital (TVC) | Traverse City | MI | Northeast Iowa Regional to Cherry Capital |
| Thief River Falls Regional (TVF) | Thief River Falls | MN | Northeast Iowa Regional to Thief River Falls Regional |
| Waukesha County (UES) | Waukesha | WI | Northeast Iowa Regional to Waukesha County |
| Chicago/Waukegan Regional (UGN) | Chicago | IL | Northeast Iowa Regional to Chicago/Waukegan Regional |
| Baldwin Field/Quincy Regional (UIN) | Quincy | IL | Northeast Iowa Regional to Baldwin Field/Quincy Regional |
| Waukon Municipal Airport (UKN) | Waukon | IA | Northeast Iowa Regional to Waukon Municipal Airport |
| New Ulm Municipal (ULM) | New Ulm | MN | Northeast Iowa Regional to New Ulm Municipal |
| Dodge County (UNU) | Juneau | WI | Northeast Iowa Regional to Dodge County |
| Rolla National (VIH) | Rolla/Vichy | MO | Northeast Iowa Regional to Rolla National |
| Vandalia Municipal (VLA) | Vandalia | IL | Northeast Iowa Regional to Vandalia Municipal |
| Porter County Regional (VPZ) | Valparaiso | IN | Northeast Iowa Regional to Porter County Regional |
| Roy Otten Memorial Airfield (VRS) | Versailles | MO | Northeast Iowa Regional to Roy Otten Memorial Airfield |
| Walter A Duncan Field/Illinois Valley Regional (VYS) | Peru | IL | Northeast Iowa Regional to Walter A Duncan Field/Illinois Valley Regional |
| Harry Stern (WAH) | Wahpeton | ND | Northeast Iowa Regional to Harry Stern |
| Roben-Hood (WBR) | Big Rapids | MI | Northeast Iowa Regional to Roben-Hood |
| Grand Geneva Resort (XES) | Lake Geneva | WI | Northeast Iowa Regional to Grand Geneva Resort |
| Madison Municipal (XMD) | Madison | SD | Northeast Iowa Regional to Madison Municipal |
| Fort Frances Municipal (YAG) | Fort Frances | ON | Northeast Iowa Regional to Fort Frances Municipal |
| Atikokan Municipal (YIB) | Atikokan | ON | Northeast Iowa Regional to Atikokan Municipal |
| Chan Gurney Municipal (YKN) | Yankton | SD | Northeast Iowa Regional to Chan Gurney Municipal |
| Thunder Bay (YQT) | Thunder Bay | ON | Northeast Iowa Regional to Thunder Bay |
