American Airlines, Inc., operating as American Airlines (AA), is a U.S. airline and a subsidiary of AMR Corporation. It is headquartered in Fort Worth, Texas, adjacent to its largest hub at Dallas/Fort Worth International Airport. American Airlines operates an extensive international and domestic network, with scheduled flights throughout North America, the Caribbean, South America, Europe, and Asia/Pacific. On November 29, 2011, AMR Corporation filed for Chapter 11 bankruptcy protection. Chairman and CEO Gerard Arpey stepped down and was replaced by company president Thomas W. Horton.
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