** FILE ** In this June 6, 2011, file photo, an American Airlines aircraft nears Terminal D gate at Dallas-Fort Worth International Airport, in Grapevine, Texas. American Airlines and American Eagle's parent companies are filing for Chapter 11 bankruptcy protection on Tuesday, Nov. 29, 2011. (AP Photo/Tony Gutierrez, File)

Photo by: Tony Gutierrez

** FILE ** In this June 6, 2011, file photo, an American Airlines aircraft nears Terminal D gate at Dallas-Fort Worth International Airport, in Grapevine, Texas. American Airlines and American Eagle's parent companies are filing for Chapter 11 bankruptcy protection on Tuesday, Nov. 29, 2011. (AP Photo/Tony Gutierrez, File)