| Code City |
City, State |
| BHM |
Birmingham, Alabama |
| HSV |
Huntsville, Alabama |
| MOB |
Mobile, Alabama |
| MGM |
Montgomery, Alabama |
| ANC |
Anchorage, Alaska |
| FLG |
Flagstaff, Arizona |
| HII |
Lake Havasu City, Arizona |
| PHX |
Phoenix, Arizona |
| YUM |
Yuma, Arizona |
| XNA |
Fayetteville, Arkansas |
| LIT |
Little Rock, Arkansas |
| BFL |
Bakersfield, California |
| BUR |
Burbank, California |
| CLD |
Carlsbad, California |
| FAT |
Fresno, California |
| LGB |
Long Beach, California |
| LAX |
Los Angeles, California |
| MRY |
Monterey, California |
| OAK |
Oakland, California |
| ONT |
Ontario, California |
| PSP |
Palm Springs, California |
| SMF |
Sacramento, California |
| SAN |
San Diego, California |
| SBA |
Santa Barbara, California |
| SFO |
San Francisco, California |
| SJC |
San Jose, California |
| SBP |
San Luis Obispo, California |
| SNA |
Orange County/John Wayne Airport, California |
| ASE |
Aspen, Colorado |
| COS |
Colorado Spring, Colorado |
| DEN |
Denver, Colorado |
| DRO |
Durango, Colorado |
| GJT |
Grand Junction, Colorado |
| TEX |
Telluride, Colorado |
| BDL |
Hartford, Connecticut |
| HVN |
New Haven, Connecticut |
| DCA |
Regan Airport/Washington National, DC |
| IAD |
Washington Dulles (International), DC |
| FLL |
Fort Lauderdale, Florida |
| RSW |
Ft Meyers, Florida |
| GNV |
Gainsville, Florida |
| JAX |
Jacksonville, Florida |
| EYW |
Key West, Florida |
| MIA |
Miami, Florida |
| MCO |
Orlando, Florida |
| PNS |
Pensacola, Florida |
| SRQ |
Sarasota/Bradenton, Florida |
| TLH |
Tallahasse, Florida |
| TPA |
Tampa, Florida |
| PBI |
West Palm Beach, Florida |
| AHN |
Athens, Georgia |
| ATL |
Atlanta, Georgia |
| AGS |
Augusta, Georgia |
| SAV |
Savannah, Georgia |
| ITO |
Hilo (Hawaii), HI |
| HNL |
Honolulu(Oahu) |
| OGG |
Maui(Kahului), Hawaii |
| KOA |
Kona (Hawaii), Hawaii |
| LIH |
Kaui(Lihue), Hawaii |
| BOI |
Boise, Idaho |
| ORD |
Chicago (O'hare Airport), Illinois |
| DSM |
Des Moines, Iowa |
| IND |
Indianapolis, Indiana |
| DDC |
Dodge City, Kansas |
| GCK |
Garden City, Kansas |
| GBD |
Great Bend, Kansas |
| HYS |
Hays, Kansas |
| MHK |
Manhattan, Kansas |
| SLN |
Salina, Kansas |
| ICT |
Wichita, Kansas |
| LEX |
Lexington, Kentucky |
| SDF |
Louisville, Kentucky |
| MSY |
New Orleans, Louisiana |
| AUG |
Augusta, Maine |
| BGR |
Bangor, Maine |
| BHB |
Bar Harbor, Maine |
| PWM |
Portland, maine |
| PQI |
Presque Isle, maine |
| RKD |
Rockland, Maine |
| BWI |
Baltimore, Maryland |
| SBY |
Salisbury, Maryland |
| BOS |
Boston, Massachusetts |
| HYA |
Hyannis, Massachusetts |
| MVY |
Martha's Vineyard, Massachusetts |
| ACK |
Nantucket, Massachusetts |
| DTW |
Detroit, Michigan |
| MSP |
Minneapolis/St.Paul, Minnesota |
| JAN |
Jackson, Mississippi |
| MCI |
Kansas City, Missouri |
| STL |
St Louis, Missouri |
| BIL |
Billings, Montana |
| BZN |
Bozeman, Montana |
| GGW |
Glasgow, Montana |
| GDV |
Glendive, Montana |
| GTF |
Great Fall, Montana |
| HVR |
Havre, Montana |
| HLN |
Helena, Montana |
| FCA |
Kalispell, Montana |
| LWT |
Lewistown, Montana |
| MLS |
Miles City, Montana |
| MSO |
Missoula, Montana |
| SDY |
Sidney, Montana |
| OLF |
Wolf Point, Montana |
| OMA |
Omaha, Nebraska |
| LAS |
Las Vegas, Nevada |
| RNO |
Reno, Nevada |
| LEB |
Lebanon, New Hampshire |
| MHT |
Manchester, New Hampshire |
| EWR |
Newark, New Jersey |
| ABQ |
Albuquerque, New Mexico |
| FMN |
Farmington, New Mexico |
| ALB |
ALbany, New York |
| BGM |
Bringhamton/Endicott/Johnson City, New York |
| BUF |
Buffalo, New York |
| ELM |
Elmira/Corning, New York |
| ISP |
Islip, New York |
| ITH |
Ithaca, New York |
| JHW |
Jamestown, New York |
| LGA |
LaGuardia, New York |
| JFK |
NYC (John F Kennedy Airport, NY |
| MSS |
Massena, New York |
| SWF |
Newburgh, New York |
| OGS |
Ogdensburg, New York |
| ROC |
Rochester, New York |
| SYR |
Syracuse, New York |
| ART |
Watertown, New York |
| HPN |
White Plains, New York |
| AVL |
Asheville, North Carolina |
| CLT |
Charlotte, North Carolina |
| FAY |
Fayetteville, North Carolina |
| GSO |
Greensboro, North Carolina |
| OAJ |
Jacksonville, North Carolina |
| EWN |
New Bern, North Carolina |
| RDU |
Raleigh/Durham, North Carolina |
| ILM |
Wilmington, North Carolina |
| CAK |
Canton/Akron, Ohio |
| CVG |
Cincinnati, Ohio |
| CLE |
Cleveland, Ohio |
| CMH |
Columbus, Ohio |
| DAY |
Dayton, Ohio |
| OKC |
Oklahoma City, Oklahoma |
| EUG |
Eugene, Oregon |
| MFR |
Medford, Oregon |
| PDX |
Portland, Oregon |
| AOO |
Altoona, Pennsylvania |
| BFD |
Bradford, Pennsylvania |
| DUJ |
DuBois, Pennsylvania |
| ERI |
Erie, Pennsylvania |
| FKL |
Franklin/Oil City, Pennsylvania |
| MDT |
Harrisburg, Pennsylvania |
| JST |
Johnstown, Pennsylvania |
| LNS |
Lancaster, Pennsylvania |
| PHL |
Philadelphia, Pennsylvania |
| PIT |
Pittsburgh, Pennsylvania |
| SCE |
State College, Pennsylvania |
| AVP |
Scranton/Wilkes-Barre, Pennsylvania |
| IPT |
Williamsport, Pennsylvania |
| PVD |
Providence, Rhode Island |
| CHS |
Charleston, South Carolina |
| CAE |
Columbia, South Carolina |
| FLO |
Florence, South Carolina |
| GSP |
Greenville/Spartanburg, South Carolina |
| HHH |
Hilton Head, South Carolina |
| MYR |
Myrtle Beach, South Carolina |
| CHA |
Chattanooga, Tennessee |
| TYS |
Knoxville, Tennessee |
| MEM |
Memphis, Tennessee |
| BNA |
Nashville, Tennessee |
| AUS |
Austin, Texas |
| DFW |
Dallas/Ft. Worth, Texas |
| ELP |
El Paso, Texas |
| IAH |
Houstin International, Texas |
| SAT |
San Antonio, Texas |
| CDC |
Cedar City, Utah |
| SLC |
Salt Lake City, Utah |
| BTV |
Burlington, Vermont |
| TRI |
Briston, VA/ Johnson City/Kingsport, TN |
| CHO |
Charlottesville, Virgina |
| LYH |
Lynchburg, Virginia |
| PHF |
Newport News/Williamsburg, Virginia |
| ORF |
Norfold/Virginia Beach, Virginia |
| RIC |
Richmond, Virginia |
| ROA |
Roanoke, Virginia |
| SHD |
Shenandoah, Virgina |
| MWH |
Moses Lake, Washington |
| SEA |
Seattle, Washington |
| GEG |
Spokane, Washington |
| BKW |
Beckley, West Virginia |
| BLF |
Bluefield/Princeton,West Virginia |
| CRW |
Charleston, West Virginia |
| CKB |
Clarksburg, West Virginia |
| LwB |
Greenbrier/Lewisburg, West Virginia |
| HTS |
Huntington/Ashland/Ironton, West Virginia |
| MGW |
Morgantown, West Virginia |
| PKB |
Parkersburg, West Virginia |
| MKE |
Milwaukee, Wisconsin |