I would love this in IF. it would look cool.
Southwest Airlines has only operated Boeing 737 jetliner models, except for a period from 1979 to 1987 when it leased and operated several Boeing 727-200s from Braniff International Airways. Since January 2016, Southwest has been the largest operator of the Boeing 737 worldwide, with over 700 in service and each aircraft averaging six flights per day. Since its inception Southwest Airlines has almost exclusively operated Boeing 737 aircraft (except for a brief period when it leased and flew some Boeing 727-200 aircraft).
Southwest’s Boeing 727-200 Introduction:1979 Retired:1987
Notes: Leased from Braniff International Airways, and People Express Airlines.