Airport Abbreviations and Hubs:
ABQ Albuquerque, NM WN ANC Anchorage, AK AS ATL Atlanta, GA DL BNA Nashville, TN AA BOS Boston, MA NW BWI Baltimore, MD US CLE Cleveland, OH CO CLT Charlotte, NC US CMH Columbus, OH HP CVG Cincinatti, OH DL DAL Dallas (Love Field), TX WN DEN Denver, CO UA DFW Dallas/Ft. Worth, TX AA DL DTW Detroit, MI NW EWR Newark, NJ CO HOU Houston (Hobby), TX WN IAD Washington (Dulles), DC UA IAH Houston (Intercontinental), TX CO IND Indianapolis, IN US JFK New York (Kennedy), NY TW DL LAS Las Vega$ HP LAX Los Angeles DL US MEM Memphis, TN NW MKE Milwaukee, WI NW YX MSP Minneapolis/St. Paul, MN NW MSY New Orleans, LA CO ORD Chicago, IL AA UA MCO Orlando, FL DL PHL Philadelphia, PA US PHX Phoenix, AZ HP WN PIT Pittsburgh, PA US RDU Raleigh/Durham, NC AA SEA Seattle, WA AS UA SFO San Francisco, CA UA US SJC San Jose, CA AA SJU San Juan, PR AA SLC Salt Lake City, UT DL STL St. Louis, MO TW SYR Syracuse, NY US
AA American Airlines AS Alaska Airlines CO Continental Airlines DL Delta Airlines HP America West Airlines TW Trans World Airlines UA United Airlines US U S Air WN Southwest Airlines YX Midwest Express
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