Southwest Airlines Boeing 737-2H4 N21SW (msn 20345) (original fleet and livery) DAL (Bruce Drum). Image: 101942.

Copyright Photo: Bruce Drum.

Southwest Airlines: 

Southwest Airlines Boeing 727-227 N561PE (msn 21043) MSY (Keith Armes). Image: 908680.

Copyright Photo: Keith Armes.

Southwest Airlines Boeing 727-291 N406BN (msn 19991) DAL (Bruce Drum). Image: 101943.

Copyright Photo: Bruce Drum.

Southwest Airlines: