| City Code |
City |
| ABE | Allentown Bethlehem, PA |
| ABQ | Albuquergue, NM |
| ACY | Atlantic City, NJ |
| ALB | Albany Intl, NY |
| AMA | Amarillo, TX |
| ANC | Anchorage, AK |
| ASE | Aspen, CO |
| ATL | Atlanta, GA |
| AUS | Austin, TX |
| AVP | Wilkes Barre/Scranton, PA |
| BDL | Hartford Springfield, CT |
| BHM | Birmingham, AL |
| BIL | Billings, MT |
| BIS | Bismarck, ND |
| BNA | Nashville, TN |
| BOI | Boise, ID |
| BOS | Boston, MA |
| BTR | Baton Rouge, LA |
| BTV | Burlington, VT |
| BUF | Buffalo, NY |
| BWI | Baltimore, MD |
| CAE | Columbia, SC |
| CAK | Akron Canton, OH |
| CHA | Chattamooga, TN |
| CHS | Charleston, SC |
| CID | Cedar Rapids, IA |
| CLE | Cleveland, OH |
| CLT | Charlotte, NC |
| CMH | Columbus, OH |
| COS | Colorado Springs, CO |
| CRP | Corpus Christi, TX |
| CRW | Charleston, WV |
| CSG | Columbus, GA |
| CUN | Cancun, Mexico |
| CVG | Cincinnati, OH |
| CYS | Cheyenne, WY |
| DAL | Dallas Love Field, TX |
| DAY | Dayton, OH |
| DCA | Washington Reagan, DC |
| DEN | Denver, CO |
| DET | Detriot City Airport, MI |
| DFW | Dallas Fort Worth, TX |
| DLH | Duluth, MN |
| DSM | Des Moines, IA |
| DTW | Detroit Wayne Airport, MI |
| ELP | El Paso, TX |
| EUG | Eugene, OR |
| EWR | Newark, NJ |
| FAI | Fairbanks, AK |
| FAR | Fargo, ND |
| FAT | Fresno, CA |
| FLL | Fort Lauderdale, FL |
| FNT | Flint, MI |
| FOE | Topeka, KS |
| FSD | Sioux Falls, SD |
| GEG | Spokane, WA |
| GRR | Grand Rapids, MI |
| GSO | Greensboro, NC |
| GTF | Great Falls, MT |
| HNL | Honolulu, HI |
| HOU | Houston, TX |
| HPN | White Plains, Westchester County, NY |
| IAD | Washington Dulles, DC |
| IAH | Houston Intercontinental, TX |
| ICT | Witchita, KS |
| IND | Indianapolis, IN |
| JAN | Jackson, MS |
| JAX | Jackonsville, FL |
| JFK | John F Kennedy, New York, NY |
| JNU | Juneau, AK |
| LAN | Lansing, MI |
| LAS | Las Vegas, NV |
| LAX | Los Angeles, CA |
| LBB | Lubbock, TX |
| LEX | Lexington, KY |
| LGA | LaGuardia, NY |
| LIT | Little Rock, AK |
| LNK | Lincoln, NE |
| MAF | Midland Odessa, TX |
| MBS | Saginaw, MI |
| MCI | Kansas City, MO |
| MCO | Orlando, FL |
| MDW | Chicago Midway, IL |
| MEM | Memphis, TN |
| MEX | Mexico City, Mexico |
| MGM | Montgomery, AL |
| MHT | Manchester, NH |
| MIA | Miami, FL |
| MKE | Milwuakee, WI |
| MOB | Mobile, AL |
| MSN | Madison, WI |
| MSP | Minneapolis St Paul, MN |
| MYR | Myrtle Beach, SC |
| OAK | Oakland, CA |
| OKC | Oklahoma City, OK |
| OMA | Omaha, NE |
| ORD | Chicago O'Hare, IL |
| ORF | Norfolk, VA |
| PDX | Portland, OR |
| PHL | Philadelphia, PA |
| PHX | Phoenix, AZ |
| PIA | Peoria, IL |
| PIT | Pittsburgh, PA |
| PWM | Portland, ME |
| RDU | Raleigh Durham, NC |
| RFD | Rockford, IL |
| RIC | Richmond, VA |
| RNO | Reno/Tahoe Intl, NV |
| ROA | Roanoke, VA |
| ROC | Rochester, NY |
| RST | Rochester, MN |
| SAN | San Diego, CA |
| SAT | San Antonio, TX |
| SAV | Savannah, GA |
| SBN | South Bend, IN |
| SDF | Louisville, KY |
| SEA | Seattle Tacoma, WA |
| SFO | San Fransisco, CA |
| SGF | Springfield, MO |
| SHV | Shreveport, LA |
| SJC | San Jose, CA |
| SJU | San Juan, Puerto Rico |
| SLC | Salt Lake City, UT |
| SMF | Sacramento, CA |
| SNA | Santa Ana Orange County, CA |
| SPI | Springfield, IL |
| STL | St Loius, MO |
| TOL | Toledo, OH |
| TPA | Tampa, FL |
| TUL | Tulsa, OK |
| TUS | Tucson, AZ |
| TYS | Knoxville, TN |
| YEG | Edmonton Intl, AB, Canada |
| YMX | Montreal Mirabel, QC, Canada |
| YOW | Ottawa, ON, Canada |
| YQB | Quebec, QC, Canada |
| YTO | Toronto, ON, Canada |
| YUL | Montreal Trudeau, QC, Canada |
| YVR | Vancouver, BC, Canada |
| YWG | Winnipeg, MB, Canada |
| YXD | Edmonton Municipal, Canada |
| YYC | Calgary Intl, AB, Canada |
| SUX | Souix City, SD |
| YQR | Quebec |
