74 airports, 2 territories
Canada
YHZ
Halifax
YUL
Montreal
YOW
Ottawa
YQB
Quebec
YYZ
Toronto Pearson
USA
ABQ
Albuquerque
AVL
Asheville
ATL
Atlanta
BWI
Baltimore
BGR
Bangor
BOS
Boston
BDL
Bradley
BUF
Buffalo, NY
BTV
Burlington, VT
CHS
Charleston
CLT
Charlotte
CHO
Charlottesville
CHA
Chattanooga
ORD
Chicago O'Hare
CVG
Cincinnati
CLE
Cleveland
CAE
Columbia, SC
CMH
Columbus, OH
DFW
Dallas
DSM
Des Moines
DTW
Detroit
DLH
Duluth
XNA
Fayetteville
GRR
Grand Rapids
GSO
Greensboro
GSP
Greenville Spartanburg
HHH
Hilton Head
IAH
Houston
HYA
Hyannis
IND
Indianapolis
JAX
Jacksonville, FL
MCI
Kansas City
EYW
Key West
LEX
Lexington, KY
LIT
Little Rock
SDF
Louisville
MSN
Madison, WI
MVY
Martha's Vineyard
MEM
Memphis
MIA
Miami
MKE
Milwaukee
ACK
Nantucket
BNA
Nashville
MSY
New Orleans
LGA
New York LaGuardia
EWR
New York Newark
JFK
New York JFK
ORF
Norfolk, VA
OKC
Oklahoma City
PBI
Palm Beach
ECP
Panama City
PHL
Philadelphia
PIT
Pittsburgh
PWM
Portland, ME
RDU
Raleigh
RIC
Richmond
ROA
Roanoke
ROC
Rochester, NY
SRQ
Sarasota
SAV
Savannah
AVP
Scranton
SBN
South Bend
STL
St. Louis
SYR
Syracuse
TVC
Traverse City
TUL
Tulsa
IAD
Washington Dulles
DCA
Washington Ronald Reagan
ILM
Wilmington, NC