Both Delta Air Lines and US Airways opened maintenance bases at the airport . Both bases closed during the air travel downturn following the attacks of September 11 , 2001 . Alabama-based Pemco World Air Services now occupies the former US Airways hangar performing MRO ( maintenance , repair , overhaul ) services for the Spirit Airlines and jetBlue A320 fleet . On April 1 , 2010 a press release announced that a lease agreement was reached to allow Pemco to lease the second hangar formerly used by Delta Air Lines , where they perform Boeing 737 cargo conversions and modifications . Tampa Bay is currently one of the largest metropolitan areas in the United States that does n't have a major airline hub
attacks of September 11 , 2001
September 11 attacks
Tampa International Airport