Akron/Canton, Ohio
CAK
Albany, New York
ALB
Albuquerque, New Mexico
ABQ
Allentown/Bethlehem/Easton, Pennsylvania
ABE
Anchorage, Alaska
ANC
Asheville, North Carolina
AVL
Atlanta, Georgia
ATL
Augusta, Georgia
AGS
Austin, Texas
AUS
Bakersfield, California
BFL
Baltimore, Maryland
BWI
Bangor, Maine
BGR
Baton Rouge, Louisiana
BTR
Binghamton/Endicott/Johnson City, New York
BGM
Birmingham, Alabama
BHM
Boise, Idaho
BOI
Boston, Massachusetts
BOS
Bristol, Virginia/Johnson City/Endicott
TRI
Buffalo, New York
BUF
Burbank, California
BUR
Burlington, Vermont
BTV
Charleston, South Carolina
CHS
Charleston, West Virginia
CRW
Charlotte, North Carolina
CLT