AMERICAN AIRLINES; Charles Lindbergh flew the first American Airlines flight On April 15, 1926. – carried U.S. mail from St. Louis,MI to Chicago,IL.As of 1934 American Airlines started to shape it's today's form. American Airlines founder Donald Douglas and C.R. Smith created the DC-3 plane switching from mail to passenger carriage. American Airlines offer 6,700 flights a day for 350 destinations in 50 countries.American Airlines' headquartered is in Fort Worth,TX American Airlines hubs are New York,Philadelphia,Charlotte, Chicago,Dallas/Fort Worth,Los Angeles,Miami,Phoenix and Washington, D.C.