Code  	City
ABQ 	Albuquerque, NM
ALB 	Albany, NY
ANC 	Anchorage, AK
ATL 	Atlanta ,GA (Hartsfield)
AUS 	Austin ,TX
BDL 	Hartford, CT
BHM 	Birmingham, AL
BNA 	Nashville, TN
BOI 	Boise, ID
BOS 	Boston, MA (Logan International)
BUF 	Buffalo, NY
BUR 	Burbank, CA
BWI 	Baltimore, MD
CAE 	Columbia, SC
CHS 	Charleston, NC
CLE 	Cleveland, OH
CLT 	Charlotte, NC
CMH 	Columbus, OH
COS 	Colorado Springs, CO
CVG 	Cincinnati, OH
DAL 	Dallas, TX (Love)
DAY 	Dayton OH
DCA 	Washington DC (National)
DEN 	Denver CO (International)
DFW 	Dallas-Ft Worth TX (International)
DSM 	Des Moines IA
DTW 	Detroit MI (Wayne County Metropolitan)
ELP 	El Paso, TX
EWR 	New York, NY (Newark)
FLL 	Ft Lauderdale, FL
GEG 	Spokane, WA
GRR 	Grand Rapids, MI
GSO 	Greensboro, NC
GSP 	Greer Greenville-Spartanburg, NC 
GUM 	Guam
HNL 	Honolulu, HI
HOU 	Houston, TX (Hobby)
IAD 	Washington, DC (Dulles International)
IAH 	Houston, TX (Intercontinental)
ICT 	Wichita, KS
IND 	Indianapolis, IN
ISP 	Islip, NY
ITO 	Hilo, HI
JAX 	Jacksonville, FL
JFK 	New York NY (Kennedy)
KOA 	Kailue-Kona Keahole, HI
LAS 	Las Vegas NV (McCarran International)
LAX 	Los Angeles CA (International)
LBB 	Lubbock, TX
LGA 	New York NY (LaGuardia)
LGB 	Long Beach CA
LIH 	Lihue, HI
LIT 	Little Rock AR
MCI 	Kansas City MO
MCO 	Orlando FL
MDT 	Harrisburg, PA
MDW 	Chicago, IL (Midway)
MEM 	Memphis, TN
MIA 	Miami, FL (International)  
MKE 	Milwaukee, WI
MSP 	Minneopolis -St Paul, MN
MSY 	New Orleans, LA
OAK 	Oakland, CA
OGG 	Kahului, HI
OKC 	Oklahoma City, OK
OMA 	Omaha, NE
ONT 	Ontario, CA
ORD 	Chicago, IL (O'Hare International)
ORF 	Norfolk, VA
PBI 	West Palm Beach, FL
PDX 	Portland, OR
PHL 	Philadelphia PA
PHX 	Phoenix AZ (SkyHarbor International)
PIT 	Pittsburgh PA
PNS 	Pensacola, FL
PVD 	Providence RI
PWM 	Portland, ME
RDU 	Raleigh-Durham NC
RIC 	Richmond VA
RNO 	Reno, NV
ROC 	Rochester, NY
RSW 	Fort Meyers, FL
SAN 	San Diego, CA
SAT 	San Antonio, TX
SAV 	Savannah, GA
SDF 	Louisville, KY
SEA 	Seattle, WA
SFO 	San Francisco, CA (International)
SLC 	Salt Lake City, UT
SJC 	San Jose, CA
SJU 	San Juan, PR
SMF 	Sacramento, CA
SNA 	Orange County, CA
SRQ 	Sarasota, FL
STL 	St Louis, MO
STT 	St Thomas, VI
SYR 	Syracuse, NY
TPA 	Tampa, FL
TUL 	Tulsa, OK
TUS 	Tucson, AZ
TYS 	Knoxville, TN