Airlines by country

Aero California
United States

Air North
United States

Air Tran
United States

Alaska Airlines
United States

Allegiant
United States

Aloha Airlines
United States

Aloha Island Air
United States

America West (now US Airways)
United States

American Airlines
United States

American Eagle
United States

American Trans Air (Now ATA Airlines)
United States

Boeing Corp
United States

Braniff International Airways
United States

CalJet
United States
Centurion Air Cargo
United States

Champion Air
United States

Chautauqua Airlines
United States

Chicago and Southern Air Lines
United States

Continental Airlines (now United)
United States

Continental Express
United States

Continental Micronesia
United States

Delta
United States

Delta Connection
United States

Delta Shuttle
United States

Frontier Airlines
United States

Gulfstream Int Airways (now Silver Airways)
United States

Hawaiian Airlines
United States

Horizon Air
United States

Independence Air
United States

Jetblue
United States

jetBlue Mint
United States

Maxjet
United States

Mesa Airlines
United States

Microsoft Flight Simulator
United States

Midwest Airlines (now Frontier Airlines)
United States

Midwest Connect
United States

Midwest Express (later midwest airlines)
United States

Mohawk airlines
United States

National Airlines (Cargo)
United States

New York Air
United States

North American Airlines
United States

Northwest (now Delta)
United States

Omni Air
United States

Ozark Airlines
United States

Pan Am
United States

Ryan Int Airlines
United States

SkyWest
United States

Song Airlines
United States

Southwest Airlines
United States

Spirit Airlines
United States

Sun Country Airlines
United States

TAOS Air
United States

Ted
United States

TWA
United States