Airport Codes
| ABE | Lehigh Valley International Airport | Allentown | PA |
| ABQ | Albuquerque International Sunport | Albuquerque | NM |
| ACV | Arcata Airport | Arcata/Eureka | CA |
| AEX | Alexandria International Airport | Alexandria | LA |
| ALB | Albany International Airport | Albany | NY |
| AMA | Amarillo International Airport | Amarillo | TX |
| ANC | Anchorage International Airport | Anchorage | AK |
| ATL | Atlanta International Airport | Atlanta | GA |
| AUS | Austin-Bergstrom International Airport | Austin | TX |
| AVP | Wilkes-Barre/Scranton International Airport | Avoca | PA |
| AZO | Kalamazoo/Battle Creek International Airport | Kalamazoo | MI |
| BDL | Bradley International Airport | Windsor Locks | CT |
| BGR | Bangor International Airport | Bangor | ME |
| BHM | Birmingham International Airport | Birmingham | AL |
| BIL | Billings Logan International Airport | Billings | MT |
| BLI | Bellingham International Airport | Bellingham | WA |
| BMI | Central Illinois Regional Airport | Bloomington | IL |
| BNA | Nashville International Airport | Nashville | TN |
| BOI | Boise Airport | Boise | ID |
| BOS | Boston Logan International Airport | Boston | MA |
| BTR | Baton Rouge International Airport | Baton Rouge | LA |
| BTV | Burlington International Airport | South Burlington | VT |
| BUF | Buffalo Niagara International Airport | Buffalo | NY |
| BUR | Burbank Bob Hope Airport | Burbank | CA |
| BWI | Baltimore / Washington International Airport | BWI Airport | MD |
| BZN | Bozeman Gallatin Field Airport | Bozeman | MT |
| CAE | Columbia Metropolitan Airport | Columbia | SC |
| CAK | Akron-Canton Airport | North Canton | OH |
| CHA | Chattanooga Metropolitan Airport | Chattanooga | TN |
| CHS | Charleston International Airport | Charleston | SC |
| CID | Cedar Rapids Eastern Iowa Airport | Cedar Rapids | IA |
| CLE | Cleveland Hopkins International Airport | Cleveland | OH |
| CLT | Charlotte/Douglas International Airport | Charlotte | NC |
| CMH | Port Columbus International Airport | Columbus | OH |
| CRP | Corpus Christi International Airport | Corpus Christi | TX |
| CRW | Charleston Yeager Airport | Charleston | WV |
| CVG | Cincinnati/North Kentucky International Airport | Cincinnati | OH |
| DAB | Daytona Beach International Airport | Daytona Beach | FL |
| DAL | Dallas Love Field | Dallas | TX |
| DAY | Dayton International Airport | Dayton | OH |
| DCA | Ronald Reagan Washington National Airport | Washington | DC |
| DEN | Denver International Airport | Denver | CO |
| DFW | Dallas/Fort Worth International Airport | Dallas | TX |
| DHN | Dothan Regional Airport | Dothan | AL |
| DLH | Duluth International Airport | Duluth | MN |
| DSM | Des Moines International Airport | Des Moines | IA |
| DTW | Detroit Metro Airport | Detroit | MI |
| ELP | El Paso International Airport | El Paso | TX |
| ERI | Erie International Airport | Erie | PA |
| EUG | Eugene Airport | Eugene | OR |
| EWR | Newark Liberty International Airport | Newark | NJ |
| FAR | Hector International Airport | Fargo | ND |
| FAT | Fresno Air Terminal | Fresno | CA |
| FLL | Fort Lauderdale Hollywood International Airport | Fort Lauderdale | FL |
| FNT | Bishop International Airport | Flint | MI |
| FSD | Sioux Falls Regional Airport | Sioux Falls | SD |
| FWA | Fort Wayne International Airport | Fort Wayne | IN |
| GEG | Spokane International Airport | Spokane | WA |
| GFK | Grand Forks International Airport | Grand Forks | ND |
| GPT | Gulfport-Biloxi International Airport | Gulfport | MS |
| GRB | Austin Straubel International Airport | Green Bay | WI |
| GRR | Gerald R. Ford International Airport | Grand Rapids | MI |
| GSO | Piedmont Triad International Airport | Greensboro | NC |
| GSP | Greenville / Spartanburg Airport | Greenville | SC |
| GTF | Great Falls International Airport | Great Falls | MT |
| HLN | Helena Regional Airport | Helena | MT |
| HOU | Hobby Airport | Houston | TX |
| HSV | Huntsville International Airport | Huntsville | AL |
| IAD | Washington Dulles International Airport | Washington | DC |
| IAH | Bush Intercontinental Airport | Houston | TX |
| ICT | Wichita Mid-Continent Airport | Wichita | KS |
| IDA | Idaho Falls Regional Airport | Idaho Falls | ID |
| IND | Indianapolis International Airport | Indianapolis | IN |
| ISP | Macarthur Airport | Islip | NY |
| JAN | Jackson-Evers International Airport | Jackson | MS |
| JAX | Jacksonville International Airport | Jacksonville | FL |
| JFK | John F. Kennedy International Airport | New York | NY |
| JLN | Joplin Regional Airport | Joplin | MO |
| LAS | Mccarran International Airport | Las Vegas | NV |
| LAX | Los Angeles International Airport | Los Angeles | CA |
| LEX | Blue Grass Airport | Lexington | KY |
| LFT | Lafayette Regional Airport | Lafayette | LA |
| LGA | La Guardia Airport | New York | NY |
| LIT | Little Rock National Airport | Little Rock | AR |
| MAF | Midland International Airport | Midland | TX |
| MCI | Kansas City International Airport | Kansas City | MO |
| MCO | Orlando International Airport | Orlando | FL |
| MDT | Harrisburg International Airport | Harrisburg | PA |
| MDW | Chicago Midway Airport | Chicago | IL |
| MEM | Memphis Airport | Memphis | TN |
| MFE | Mcallen-Miller International Airport | Mcallen | TX |
| MFR | Medford Rogue Valley International Airport | Medford | OR |
| MGM | Montgomery Regional Airport | Montgomery | AL |
| MHT | Manchester Airport | Manchester | NH |
| MIA | Miami International Airport | Miami | FL |
| MKE | General Mitchell International Airport | Milwaukee | WI |
| MLB | Melbourne International Airport | Melbourne | FL |
| MLI | Quad City International Airport | Moline | IL |
| MOB | Mobile Regional Airport | Mobile | AL |
| MOT | Minot International Airport | Minot | ND |
| MSN | Dane County Regional Airport | Madison | WI |
| MSO | Missoula International Airport | Missoula | MT |
| MSP | Minneapolis/St. Paul International Airport | Minneapolis | MN |
| MSY | New Orleans International Airport | New Orleans | LA |
| MYR | Myrtle Beach Airport | Myrtle Beach | SC |
| OAK | Oakland International Airport | Oakland | CA |
| OKC | Will Rogers World Airport | Oklahoma City | OK |
| OMA | Eppley Airfield | Omaha | NE |
| ONT | Ontario International Airport | Ontario | CA |
| ORD | Chicago O’hare International Airport | Chicago | IL |
| ORF | Norfolk International Airport | Norfolk | VA |
| PBI | Palm Beach International Airport | West Palm Beach | FL |
| PDX | Portland International Airport | Portland | OR |
| PHL | Philadelphia International Airport | Philadelphia | PA |
| PHX | Phoenix Sky Harbor International Airport | Phoenix | AZ |
| PIT | Pittsburgh International Airport | Pittsburgh | PA |
| PNS | Pensacola Regional Airport | Pensacola | FL |
| PSC | Tri-Cities Airport | Pasco | WA |
| PVD | T.F. Green Airport | Providence | RI |
| PWM | Portland International Jetport | Portland | ME |
| RAP | Rapid City Regional Airport | Rapid City | SD |
| RDM | Roberts Field | Redmond | OR |
| RDU | Raleigh-Durham International Airport | Rdu Airport | NC |
| RFD | Greater Rockford Airport | Rockford | IL |
| RIC | Richmond International Airport | Richmond | VA |
| RNO | Reno-Tahoe International Airport | Reno | NV |
| ROC | Greater Rochester International Airport | Rochester | NY |
| RST | Rochester International Airport | Rochester | MN |
| RSW | Southwest Florida International Airport | Fort Myers | FL |
| SAN | San Diego International Airport | San Diego | CA |
| SAT | San Antonio International Airport | San Antonio | TX |
| SAV | Savannah/Hilton Head International Airport | Savannah | GA |
| SAW | Sawyer International Airport | Marquette | MI |
| SBN | South Bend Regional Airport | South Bend | IN |
| SDF | Louisville International Airport | Louisville | KY |
| SEA | Seattle/Tacoma International Airport | Seattle | WA |
| SFB | Orlando Sanford International Airport | Sanford | FL |
| SFO | San Francisco International Airport | San Francisco | CA |
| SGF | Springfield Branson Regional Airport | Springfield | MO |
| SHV | Shreveport Regional Airport | Shreveport | LA |
| SJC | San Jose International Airport | San Jose | CA |
| SJU | Luis Munoz Marin International Airport | San Juan | PR |
| SLC | Salt Lake City International Airport | Salt Lake City | UT |
| SMF | Sacramento International Airport | Sacramento | CA |
| SNA | John Wayne Airport | Orange County | CA |
| STL | Lambert-St. Louis International Airport | Saint Louis | MO |
| SYR | Syracuse Hancock International Airport | Syracuse | NY |
| TLH | Tallahassee Regional Airport | Tallahassee | FL |
| TPA | Tampa International Airport | Tampa | FL |
| TUL | Tulsa International Airport | Tulsa | OK |
| TUS | Tucson International Airport | Tucson | AZ |
| TYS | Mcghee Tyson Airport | Knoxville | TN |
| VPS | Fort Walton Beach Airport | Valparaiso | FL |
| XNA | Northwest Arkansas Regional Airport | Fayetteville / Springdale | AR |