I'm in a band http://experiencefoundation.com/freelance-writers-for-hire/ algebra 2 help  If the government does succeed in blocking the merger, it would be an interruption in a long trend of airlines joining forces. The department last stood in the way in 2001, when it challenged a merger between United Airlines and US Airways. Since then, a wave of mergers has shrunk airline competition. Transworld joined with American, America West was folded into US Airways, AirTran combined with Southwest, Northwest joined Delta, and Continental joined forces with United.