| A | ||
| Aberdeen | South Dakota | ABR |
| Abilene | Texas | ABI |
| Akron / Canton | Ohio | CAK |
| Albany | New York | ALB |
| Albuquerque | New Mexico | ABQ |
| Alexandria | Louisiana | ESF |
| Allentown | Pennsylvania | ABE |
| Alpena | Michigan | APN |
| Amarillo | Texas | AMA |
| Anchorage | Alaska | ANC |
| Ann Arbor | Michigan | ARB |
| Appleton | Wisconsin | ATW |
| Asheville | North Carolina | AVL |
| Aspen | Colorado | ASE |
| Atlanta | Georgia | ATL |
| Atlantic City | New Jersey | AIY |
| Augusta | Georgia | AGS |
| Austin | Texas | AUS |
| B | ||
| Bakersfield | California | BFL |
| Baltimore | Maryland | BWI |
| Bangor | Maine | BGR |
| Barrow | Alaska | BRW |
| Baton Rouge | Louisiana | BTR |
| Bay City | Michigan | MBS |
| Beaumont/Port Arthur | Texas | BPT |
| Bedford | Massachusetts | BED |
| Bemidji | Minnesota | BJI |
| Benton Harbor | Michigan | BEH |
| Bethel | Alaska | BET |
| Bethlehem | Pennsylvania | ABE |
| Billings | Montana | BIL |
| Biloxi | Mississippi | BIX |
| Binghamton | New York | BGM |
| Birmingham | Alabama | BHM |
| Bismarck | North Dakota | BIS |
| Bloomington | Illinois | BMI |
| Bluefield | West Virginia | BLF |
| Boise | Idaho | BOI |
| Boston | Massachusetts | BOS |
| Boulder | Colorado | WBU |
| Bowling Green | Kentucky | BWG |
| Bozeman | Montana | BZN |
| Brainerd | Minnesota | BRD |
| Bristol | Virginia | TRI |
| Brownsville | Texas | BRO |
| Buffalo | New York | BUF |
| Bullhead City/Laughlin | Arizona | IFP |
| Burbank | California | BUR |
| Burlington | Vermont | BTV |
| Butte | Montana | BTM |
| C | ||
| Canton / Akron | Ohio | CAK |
| Cedar Rapids | Iowa | CID |
| Champaign / Urbana | Illinois | CMI |
| Charleston | South Carolina | CHS |
| Charleston | West Virginia | CRW |
| Charlotte | North Carolina | CLT |
| Chattanooga | Tennessee | CHA |
| Cheyenne | Wyoming | CYS |
| Chicago - Midway | Illinois | MDW |
| Chicago - O'Hare | Illinois | ORD |
| Cincinnati | Ohio | CVG |
| Clarksburg | West Virginia | CKB |
| Cleveland | Ohio | CLE |
| Clovis | New Mexico | CVN |
| College Station | Texas | CLL |
| Colorado Springs | Colorado | COS |
| Columbia | Missouri | COU |
| Columbia | South Carolina | CAE |
| Columbus | Georgia | CSG |
| Columbus | Mississippi | GTR |
| Columbus | Ohio | CMH |
| Concord | California | CCR |
| Concordia | Kansas | CNK |
| Cordova | Alaska | CDV |
| Corpus Christi | Texas | CRP |
| D | ||
| Dallas / Fort Worth | Texas | DFW |
| Dayton | Ohio | DAY |
| Daytona Beach | Florida | DAB |
| Denver | Colorado | DEN |
| Des Moines | Iowa | DSM |
| Detroit | Michigan | DTW |
| Dubois | Pennsylvania | DUJ |
| Dubuque | Iowa | DBQ |
| Duluth | Minnesota | DLH |
| Durham / Raleigh | North Carolina | RDU |
| Durango | Colorado | DRO |
| Durham | North Carolina | RDU |
| Dutch Harbor | Alaska | DUT |
| E | ||
| Easton | Pennsylvania | ABE |
| Eau Claire | Wisconsin | EAU |
| El Dorado | Arkansas | ELD |
| El Centro | California | IPL |
| El Paso | Texas | ELP |
| Elmira | New York | ELM |
| Erie | Pennsylvania | ERI |
| Escanaba | Michigan | ESC |
| Eugene | Oregon | EUG |
| Evansville | Indiana | EVV |
| F | ||
| Fairbanks | Alaska | FAI |
| Fargo | North Dakota | FAR |
| Fayetteville | Arkansas | FYV |
| Flagstaff | Arizona | FLG |
| Flint | Michigan | FNT |
| Florence | South Carolina | FLO |
| Fort Dodge | Iowa | FOD |
| Fort Lauderdale | Florida | FLL |
| Fort Myers | Florida | RSW |
| Fort Smith | Arkansas | FSM |
| Fort Walton Beach | Florida | VPS |
| Fort Wayne | Indiana | FWA |
| Fort Worth/Dallas | Texas | DFW |
| Franklin | Pennsylvania | FKL |
| Fresno | California | FAT |
| G | ||
| Gainesville | Florida | GNV |
| Garden City | Kansas | GCK |
| Gary | Indiana | GYY |
| Gillette | Wyoming | GCC |
| Glasgow | Montana | GGW |
| Grand Canyon | Arizona | GCN |
| Grand Forks | North Dakota | GFK |
| Grand Junction | Colorado | GJT |
| Grand Rapids | Michigan | GRR |
| Grand Rapids | Minnesota | GPZ |
| Great Falls | Montana | GTF |
| Green Bay | Wisconsin | GRB |
| Greensboro | North Carolina | GSO |
| Greenville | Mississippi | GLH |
| Greenville / Spartanburg | South Carolina | GSP |
| Gulfport | Mississippi | GPT |
| Gunnison | Colorado | GUC |
| H | ||
| Hailey | Idaho | SUN |
| Haines | Alaska | HNS |
| Hampton | Virginia | PHF |
| Hana | Hawaii | HNM |
| Hanapepe | Hawaii | PAK |
| Hancock | Michigan | CMX |
| Harlingen | Texas | HRL |
| Harrisburg | Pennsylvania | MDT |
| Harrison | Arkansas | HRO |
| Hayden | Colorado | HDN |
| Hartford | Connecticut | BDL |
| Hibbing | Minnesota | HIB |
| High Point | North Carolina | GSO |
| Hilo | Hawaii | ITO |
| Hilton Head | South Carolina | HHH |
| Hobbs | New Mexico | HBB |
| Homer | Alaska | HOM |
| Honolulu | Hawaii | HNL |
| Hoolehua | Hawaii | MKK |
| Hot Springs | Arkansas | HOT |
| Houston - Hobby | Texas | HOU |
| Houston - Intercontinental | Texas | IAH |
| Huntsville | Alabama | HSV |
| Huron | South Dakota | HON |
| I | ||
| Idaho Falls | Idaho | IDA |
| Indianapolis | Indiana | IND |
| International Falls | Minnesota | INL |
| Iron Mountain | Michigan | IMT |
| Ironwood | Michigan | IWD |
| Islip | New York | ISP |
| J | ||
| Jackson | Mississippi | JAN |
| Jackson | Tennessee | MKL |
| Jackson Hole | Wyoming | JAC |
| Jacksonville | Florida | JAX |
| Jacksonville | North Carolina | OAJ |
| Janesville | Wisconsin | JVL |
| Johnson City | Tennessee | TRI |
| Joplin | Missouri | JLN |
| Juneau | Alaska | JNU |
| K | ||
| Kalamazoo | Michigan | AZO |
| Kansas City | Missouri | MCI |
| Kauai Island / Lihue | Hawaii | LIH |
| Keene | New Hampshire | EEN |
| Ketchikan | Alaska | KTN |
| Key West | Florida | EYW |
| Killeen | Texas | ILE |
| Kingsport | Tennessee | TRI |
| Kirksville | Missouri | IRK |
| Klamath Falls | Oregon | LMT |
| Knoxville | Tennessee | TYS |
| Kodiak | Alaska | ADQ |
| Kona | Hawaii | KOA |
| L | ||
| La Crosse | Wisconsin | LSE |
| Lafayette | Indiana | LAF |
| Lafayette | Louisiana | LFT |
| Lake Charles | Louisiana | LCH |
| Lanai City | Hawaii | LNY |
| Lancaster | Pennsylvania | LNS |
| Lansing | Michigan | LAN |
| Laramie | Wyoming | LAR |
| Laredo | Texas | LRD |
| Las Vegas | Nevada | LAS |
| Laurel | Mississippi | PIB |
| Lawton | Oklahoma | LAW |
| Lexington | Kentucky | LEX |
| Lincoln | Nebraska | LNK |
| Little Rock | Arkansas | LIT |
| Long Beach | California | LGB |
| Longview | Texas | GGG |
| Los Angeles | California | LAX |
| Louisville | Kentucky | SDF |
| Lubbock | Texas | LBB |
| M | ||
| Macon | Georgia | MCN |
| Madison | Wisconsin | MSN |
| Manchester | New Hampshire | MHT |
| Manhattan | Kansas | MHK |
| Mankato | Minnesota | MKT |
| Marquette | Michigan | MQT |
| Mason City | Iowa | MCW |
| Maui | Hawaii | OGG |
| Mcallen | Texas | MFE |
| Medford | Oregon | MFR |
| Melbourne | Florida | MLB |
| Memphis | Tennessee | MEM |
| Meridian | Mississippi | MEI |
| Miami | Florida | MIA |
| Midland | Michigan | MBS |
| Midland / Odessa | Texas | MAF |
| Milwaukee | Wisconsin | MKE |
| Minneapolis | Minnesota | MSP |
| Minot | North Dakota | MOT |
| Mobile | Alabama | MOB |
| Moline | Illinois | MLI |
| Monroe | Louisiana | MLU |
| Monterey | California | MRY |
| Montgomery | Alabama | MGM |
| Moses Lake | Washington | MWH |
| Muscle Shoals | Alabama | MSL |
| Muskegon | Michigan | MKG |
| Myrtle Beach | South Carolina | MYR |
| N | ||
| Nantucket | Massachusetts | ACK |
| Naples | Florida | APF |
| Nashville | Tennessee | BNA |
| New Haven | Connecticut | HVN |
| New Orleans | Louisiana | MSY |
| New York - Kennedy | New York | JFK |
| New York - La Guardia | New York | LGA |
| Newark | New Jersey | EWR |
| Newburgh / Stewart Field | New York | SWF |
| Newport News | Virginia | PHF |
| Nome | Alaska | OME |
| Norfolk | Virginia | ORF |
| O | ||
| Oakland | California | OAK |
| Odessa / Midland | Texas | MAF |
| Oklahoma City | Oklahoma | OKC |
| Omaha | Nebraska | OMA |
| Ontario | California | ONT |
| Orange County | California | SNA |
| Orlando | Florida | MCO |
| Oshkosh | Wisconsin | OSH |
| Owensboro | Kentucky | OWB |
| Oxnard | California | OXR |
| P | ||
| Paducah | Kentucky | PAH |
| Palm Springs | California | PSP |
| Panama City | Florida | PFN |
| Pellston | Michigan | PLN |
| Pensacola | Florida | PNS |
| Peoria | Illinois | PIA |
| Philadelphia | Pennsylvania | PHL |
| Phoenix | Arizona | PHX |
| Pierre | South Dakota | PIR |
| Pilot Point | Alaska | PIP |
| Pittsburgh | Pennsylvania | PIT |
| Plattsburgh | New York | PLB |
| Port Arthur / Beaumont | Texas | BPT |
| Portland | Maine | PWM |
| Portland | Oregon | PDX |
| Providence | Rhode Island | PVD |
| Q | ||
| Quincy | Illinois | UIN |
| R | ||
| Raleigh / Durham | North Carolina | RDU |
| Reading | Pennsylvania | RDG |
| Reno | Nevada | RNO |
| Rhinelander | Wisconsin | RHI |
| Richmond | Virginia | RIC |
| Roanoke | Virginia | ROA |
| Rochester | Minnesota | RST |
| Rochester | New York | ROC |
| Rockford | Illinois | RFD |
| Roswell | New Mexico | ROW |
| S | ||
| Sacramento | California | SMF |
| Saginaw | Michigan | MBS |
| Saint Cloud | Minnesota | STC |
| Saint George | Utah | SGU |
| Saint Louis | Missouri | STL |
| Salt Lake City | Utah | SLC |
| San Angelo | Texas | SJT |
| San Antonio | Texas | SAT |
| San Diego | California | SAN |
| San Francisco | California | SFO |
| San Jose | California | SJC |
| San Luis Obispo | California | SBP |
| Santa Ana | California | SNA |
| Santa Barbara | California | SBA |
| Santa Fe | New Mexico | SAF |
| Santa Maria | California | SMX |
| Sarasota | Florida | SRQ |
| Sault Ste Marie | Michigan | CIU |
| Savannah | Georgia | SAV |
| Seattle | Washington | SEA |
| Shreveport | Louisiana | SHV |
| Sioux City | Iowa | SUX |
| Sioux Falls | South Dakota | FSD |
| Sitka | Alaska | SIT |
| South Bend | Indiana | SBN |
| Spartanburg / Greenville | South Carolina | GSP |
| Spokane | Washington | GEG |
| Springfield | Illinois | SPI |
| Springfield | Missouri | SGF |
| State College / University Park | Pennsylvania | SCE |
| Steamboat Springs | Colorado | SBS |
| Stevens Point / Wausau | Wisconsin | CWA |
| Stewart Field / Newburgh | New York | SWF |
| Sun Valley | Idaho | SUN |
| Syracuse | New York | SYR |
| T | ||
| Tallahassee | Florida | TLH |
| Tampa | Florida | TPA |
| Terre Haute | Indiana | HUF |
| Texarkana | Arkansas | TXK |
| Thief River Falls | Minnesota | TVF |
| Toledo | Ohio | TOL |
| Topeka | Kansas | FOE |
| Traverse City | Michigan | TVC |
| Tucson | Arizona | TUS |
| Tulsa | Oklahoma | TUL |
| Tupelo | Mississippi | TUP |
| Tuscaloosa | Alabama | TCL |
| Twin Falls | Idaho | TWF |
| Tyler | Texas | TYR |
| U | ||
| Urbana / Champaign | Illinois | CMI |
| Utica | New York | UCA |
| Vail | Colorado | EGE |
| Valdez | Alaska | VDZ |
| Valdosta | Georgia | VLD |
| Valparaiso | Florida | VPS |
| W | ||
| Waco | Texas | ACT |
| Walla Walla | Washington | ALW |
| Washington - Dulles | District of Columbia | IAD |
| Washington - National | District of Columbia | DCA |
| Waterloo | Iowa | ALO |
| Watertown | South Dakota | ATY |
| Wausau / Stevens Point | Wisconsin | CWA |
| West Palm Beach | Florida | PBI |
| Westchester County | New York | HPN |
| Wichita | Kansas | ICT |
| Wichita Falls | Texas | SPS |
| Wilkes Barre | Pennsylvania | AVP |
| Williamsburg | Virginia | PHF |
| Williamsport | Pennsylvania | IPT |
| Williston | North Dakota | ISN |
| Worcester | Massachusetts | ORH |
| Y | ||
| Yakima | Washington | YKM |
| Yakutat | Alaska | YAK |
| Yuma | Arizona | YUM |
| Youngstown | Ohio | YNG |
| Alabama | |
| Birmingham | BHM |
| Huntsville | HSV |
| Mobile | MOB |
| Montgomery | MGM |
| Muscle Shoals | MSL |
| Tuscaloosa | TCL |
| Alaska | |
| Anchorage | ANC |
| Barrow | BRW |
| Bethel | BET |
| Cordova | CDV |
| Dutch Harbor | DUT |
| Fairbanks | FAI |
| Haines | HNS |
| Homer | HOM |
| Juneau | JNU |
| Ketchikan | KTN |
| Kodiak | ADQ |
| Nome | OME |
| Pilot Point | PIP |
| Sitka | SIT |
| Valdez | VDZ |
| Yakutat | YAK |
| Arizona | |
| Bullhead City / Laughlin | IFP |
| Flagstaff | FLG |
| Grand Canyon | GCN |
| Phoenix | PHX |
| Tucson | TUS |
| Yuma | YUM |
| Arkansas | |
| El Dorado | ELD |
| Fayetteville | FYV |
| Fort Smith | FSM |
| Harrison | HRO |
| Hot Springs | HOT |
| Little Rock | LIT |
| Texarkana | TXK |
| California | |
| Bakersfield | BFL |
| Burbank | BUR |
| Concord | CCR |
| El Centro | IPL |
| Fresno | FAT |
| Long Beach | LGB |
| Los Angeles | LAX |
| Monterey | MRY |
| Oakland | OAK |
| Ontario | ONT |
| Orange County | SNA |
| Oxnard | OXR |
| Palm Springs | PSP |
| Sacramento | SMF |
| San Diego | SAN |
| San Francisco | SFO |
| San Jose | SJC |
| San Luis Obispo | SBP |
| Santa Ana | SNA |
| Santa Barbara | SBA |
| Santa Maria | SMX |
| Colorado | |
| Aspen | ASE |
| Boulder | WBU |
| Colorado Springs | COS |
| Denver | DEN |
| Durango | DRO |
| Grand Junction | GJT |
| Gunnison | GUC |
| Hayden | HDN |
| Steamboat Springs | SBS |
| Vail | EGE |
| Connecticut | |
| Hartford | BDL |
| New Haven | HVN |
| District of Columbia | |
| Washington - Dulles | IAD |
| Washington - National | DCA |
| Florida | |
| Daytona Beach | DAB |
| Fort Lauderdale | FLL |
| Fort Myers | RSW |
| Fort Walton Beach | VPS |
| Gainesville | GNV |
| Jacksonville | JAX |
| Key West | EYW |
| Melbourne | MLB |
| Miami | MIA |
| Naples | APF |
| Orlando | MCO |
| Panama City | PFN |
| Pensacola | PNS |
| Sarasota | SRQ |
| Tallahassee | TLH |
| Tampa | TPA |
| Valparaiso | VPS |
| West Palm Beach | PBI |
| Georgia | |
| Atlanta | ATL |
| Augusta | AGS |
| Columbus | CSG |
| Macon | MCN |
| Savannah | SAV |
| Valdosta | VLD |
| Hawaii | |
| Hana | HNM |
| Hanapepe | PAK |
| Hilo | ITO |
| Honolulu | HNL |
| Hoolehua | MKK |
| Kauai Island / Lihue | LIH |
| Kona | KOA |
| Lanai City | LNY |
| Maui | OGG |
| Idaho | |
| Boise | BOI |
| Hailey | SUN |
| Idaho Falls | IDA |
| Sun Valley | SUN |
| Twin Falls | TWF |
| Illinois | |
| Bloomington | BMI |
| Champaign / Urbana | CMI |
| Chicago - Midway | MDW |
| Chicago - O'Hare | ORD |
| Moline | MLI |
| Peoria | PIA |
| Quincy | UIN |
| Rockford | RFD |
| Springfield | SPI |
| Indiana | |
| Evansville | EVV |
| Fort Wayne | FWA |
| Gary | GYY |
| Indianapolis | IND |
| Lafayette | LAF |
| South Bend | SBN |
| Terre Haute | HUF |
| Iowa | |
| Cedar Rapids | CID |
| Des Moines | DSM |
| Dubuque | DBQ |
| Fort Dodge | FOD |
| Mason City | MCW |
| Sioux City | SUX |
| Waterloo | ALO |
| Kansas | |
| Concordia | CNK |
| Garden City | GCK |
| Manhattan | MHK |
| Topeka | FOE |
| Wichita | ICT |
| Kentucky | |
| Bowling Green | BWG |
| Lexington | LEX |
| Louisville | SDF |
| Owensboro | OWB |
| Paducah | PAH |
| Louisiana | |
| Alexandria | ESF |
| Baton Rouge | BTR |
| Lafayette | LFT |
| Lake Charles | LCH |
| Monroe | MLU |
| New Orleans | MSY |
| Shreveport | SHV |
| Maine | |
| Bangor | BGR |
| Portland | PWM |
| Maryland | |
| Baltimore | BWI |
| Massachusetts | |
| Bedford | BED |
| Boston | BOS |
| Nantucket | ACK |
| Worcester | ORH |
| Michigan | |
| Alpena | APN |
| Ann Arbor | ARB |
| Bay City | MBS |
| Benton Harbor | BEH |
| Detroit | DTW |
| Escanaba | ESC |
| Flint | FNT |
| Grand Rapids | GRR |
| Hancock | CMX |
| Iron Mountain | IMT |
| Ironwood | IWD |
| Kalamazoo | AZO |
| Lansing | LAN |
| Marquette | MQT |
| Midland | MBS |
| Muskegon | MKG |
| Pellston | PLN |
| Saginaw | MBS |
| Sault Ste Marie | CIU |
| Traverse City | TVC |
| Minnesota | |
| Bemidji | BJI |
| Brainerd | BRD |
| Duluth | DLH |
| Grand Rapids | GPZ |
| Hibbing | HIB |
| International Falls | INL |
| Mankato | MKT |
| Minneapolis | MSP |
| Rochester | RST |
| Saint Cloud | STC |
| Thief River Falls | TVF |
| Mississippi | |
| Biloxi | BIX |
| Columbus | GTR |
| Greenville | GLH |
| Gulfport | GPT |
| Jackson | JAN |
| Laurel | PIB |
| Meridian | MEI |
| Tupelo | TUP |
| Missouri | |
| Columbia | COU |
| Joplin | JLN |
| Kansas City | MCI |
| Kirksville | IRK |
| Saint Louis | STL |
| Springfield | SGF |
| Montana | |
| Billings | BIL |
| Bozeman | BZN |
| Butte | BTM |
| Glasgow | GGW |
| Great Falls | GTF |
| Nebraska | |
| Lincoln | LNK |
| Omaha | OMA |
| Nevada | |
| Las Vegas | LAS |
| Reno | RNO |
| New Hampshire | |
| Keene | EEN |
| Manchester | MHT |
| New Jersey | |
| Atlantic City | AIY |
| Newark | EWR |
| Albuquerque | ABQ |
| New Mexico | |
| Clovis | CVN |
| Hobbs | HBB |
| Roswell | ROW |
| Santa Fe | SAF |
| New York | |
| Albany | ALB |
| Binghamton | BGM |
| Buffalo | BUF |
| Elmira | ELM |
| Islip | ISP |
| New York - Kennedy | JFK |
| New York - La Guardia | LGA |
| Newburgh / Stewart Field | SWF |
| Plattsburgh | PLB |
| Rochester | ROC |
| Syracuse | SYR |
| Utica | UCA |
| Westchester County | HPN |
| North Carolina | |
| Asheville | AVL |
| Charlotte | CLT |
| Durham | RDU |
| Greensboro | GSO |
| High Point | GSO |
| Jacksonville | OAJ |
| Raleigh / Durham | RDU |
| North Dakota | |
| Bismarck | BIS |
| Fargo | FAR |
| Grand Forks | GFK |
| Minot | MOT |
| Williston | ISN |
| Ohio | |
| Canton / Akron | CAK |
| Cincinnati | CVG |
| Cleveland | CLE |
| Columbus | CMH |
| Dayton | DAY |
| Toledo | TOL |
| Youngstown | YNG |
| Oklahoma | |
| Lawton | LAW |
| Oklahoma City | OKC |
| Tulsa | TUL |
| Oregon | |
| Eugene | EUG |
| Klamath Falls | LMT |
| Medford | MFR |
| Portland | PDX |
| Pennsylvania | |
| Allentown | ABE |
| Bethlehem | ABE |
| Dubois | DUJ |
| Easton | ABE |
| Erie | ERI |
| Franklin | FKL |
| Harrisburg | MDT |
| Lancaster | LNS |
| Philadelphia | PHL |
| Pittsburgh | PIT |
| Reading | RDG |
| State College / University Park | SCE |
| Wilkes Barre | AVP |
| Williamsport | IPT |
| Rhode Island | |
| Providence | PVD |
| South Carolina | |
| Charleston | CHS |
| Columbia | CAE |
| Florence | FLO |
| Greenville / Spartanburg | GSP |
| Hilton Head | HHH |
| Myrtle Beach | MYR |
| South Dakota | |
| Aberdeen | ABR |
| Huron | HON |
| Pierre | PIR |
| Sioux Falls | FSD |
| Watertown | ATY |
| Tennessee | |
| Chattanooga | CHA |
| Jackson | MKL |
| Johnson City | TRI |
| Kingsport | TRI |
| Knoxville | TYS |
| Memphis | MEM |
| Nashville | BNA |
| Texas | |
| Abilene | ABI |
| Amarillo | AMA |
| Austin | AUS |
| Beaumont / Port Arthur | BPT |
| Brownsville | BRO |
| College Station | CLL |
| Corpus Christi | CRP |
| Dallas / Fort Worth | DFW |
| El Paso | ELP |
| Harlingen | HRL |
| Houston - Hobby | HOU |
| Houston - Intercontinental | IAH |
| Killeen | ILE |
| Laredo | LRD |
| Longview | GGG |
| Lubbock | LBB |
| Mcallen | MFE |
| Midland / Odessa | MAF |
| San Angelo | SJT |
| San Antonio | SAT |
| Tyler | TYR |
| Waco | ACT |
| Wichita Falls | SPS |
| Utah | |
| Saint George | SGU |
| Salt Lake City | SLC |
| Vermont | |
| Burlington | BTV |
| Virginia | |
| Bristol | TRI |
| Hampton | PHF |
| Newport News | PHF |
| Norfolk | ORF |
| Richmond | RIC |
| Roanoke | ROA |
| Williamsburg | PHF |
| Washington | |
| Moses Lake | MWH |
| Seattle | SEA |
| Spokane | GEG |
| Walla Walla | ALW |
| Yakima | YKM |
| West Virginia | |
| Bluefield | BLF |
| Charleston | CRW |
| Clarksburg | CKB |
| Wisconsin | |
| Appleton | ATW |
| Eau Claire | EAU |
| Green Bay | GRB |
| Janesville | JVL |
| La Crosse | LSE |
| Madison | MSN |
| Milwaukee | MKE |
| Oshkosh | OSH |
| Rhinelander | RHI |
| Stevens Point / Wausau | CWA |
| Wyoming | |
| Cheyenne | CYS |
| Gillette | GCC |
| Jackson Hole | JAC |
| Laramie | LAR |