Southwest Airlines CEO Gary Kelly speaks during a preview of the new international concourse at Houston Hobby Airport Thursday, Oct. 8, 2015, in Houston. (AP Photo/Pat Sullivan)
Southwest Airlines CEO Gary Kelly speaks during a preview of the new international concourse at Houston Hobby Airport Thursday, Oct. 8, 2015, in Houston. (AP Photo/Pat Sullivan) Pat Sullivan AP
Southwest Airlines CEO Gary Kelly speaks during a preview of the new international concourse at Houston Hobby Airport Thursday, Oct. 8, 2015, in Houston. (AP Photo/Pat Sullivan) Pat Sullivan AP