twa airlines llc flew its last flight on december 1, 2001, with an md-80 aircraft (n948tw). the ceremonial last flight was flight 220 from kansas city to st. louis, with ceo captain william compton at the controls. the final flight before twa was 'officially' absorbed by american airlines was completed between st. louis and las vegas, nevada, also on december 1, 2001. at 10:00 pm cst on that date, employees began removing all twa signs and placards from airports around the country, replacing them with american airlines signs. at midnight, all twa flights officially became listed as american airlines flights. some aircraft carried hybrid american/twa livery during the transition, with american's tricolor stripe on the fuselage and twa titles on the tail and forward fuselage. signage still bears the twa logo in portions of concourse d at lambert st. louis international airport.