Boeing 737-400
USAir Boeing 737-4B7, N429US, is shown arriving at Miami International Airport in December 1989.
USAir Boeing 737-401, N406US, is shown arriving at Fort Lauderdale in December 1989 wearing basic Piedmont Airlines colors with
USAir titles following the merger of the two carriers.
US Airways Boeing 737-401, N404US, is shown arriving at Chicago O'Hare International Airport on August 22, 2000.