Republic Airways Holdings Inc. is a holding company. The Company offers scheduled passenger services through its wholly-owned operating air carrier subsidiaries: Chautauqua Airlines, Inc. (Chautauqua), Shuttle America Corporation (Shuttle), Republic Airline Inc. (Republic Airline) and Frontier Airlines, Inc. (Frontier). As of December 31, 2011, its operating subsidiaries offered scheduled passenger service on 1,483 flights daily to 132 cities in 42 states, Canada, Mexico, and Costa Rica under Frontier operations as Frontier and through fixed-fee code-share agreements with AMR Corp., the parent of American Airlines, Inc. (American), Continental Airlines, Inc. (Continental), Delta Air Lines, Inc. (Delta), United Air Lines, Inc. (United), and US Airways, Inc. (US Airways). The Company took delivery of eight A320 aircraft, two E190 aircraft, placed into service three A319 aircraft, sold five A318 aircraft, four of which have remained in the fleet under sale leaseback agreements.