Oh man, I have been fortunate to travel a lot, and many of the airlines are defunct now.
Pan Am
National
Hughes Air West
Western
PSA
Eastern
United
Air Canada
Delta
British Airways
Aloha
Hawaiian
Alaska
American
LA Airways
Aeroflot
AmericaWest
Southwest
American Eagle
Delta Express
Express Jet
SkyWest
Air California
Continental
WestAir
WestWind