Question: Who did AMR Corporation merge with to form an American company headquartered in Fort Worth, Texas?
Sentence (from "Thomas W. Horton"): Thomas W. Horton (born 05/24/1961) was the Chairman, President, and Chief Executive Officer of AMR Corporation until it merged with US Airways Group to form American Airlines Group, Inc. and was the Chairman of American Airlines Group, Inc. and American Airlines.
Relevant evidence: Yes