Chautauqua Airlines, Inc. was an American regional airline and a subsidiary of Republic Airways Holdings based in Indianapolis, Indiana, United States. Prior to the shut down of operations, it operated scheduled passenger services to 52 airports in the United States and Canada via code sharing agreements as the Delta Connection for Delta Air Lines, AmericanConnection for American Airlines, and United Express for United Airlines. Chautauqua previously flew feeder services for other airlines via code sharing agreements including Allegheny, USAir, TWA, Continental, Frontier, and America West. Its last day in operation was December 31, 2014, at which time all flying was absorbed by the Shuttle America certificate.