It merged with America West Holdings Corporation, parent of America West Airlines, in 2005, and the combined company adopted the better-known US Airways name; the two airlines' operating certificates merged in 2007. It also operates additional companies that provide associated services. ACE Aviation Holdings, the Canadian parent of Air Canada retained a rough investment stake in US Airways Group. The route network covered destinations in 47 states, as well as international destinations. On December 9, 2013, the company merged with AMR Corporation; the combined business began trading under the new name of American Airlines Group on December 9, 2013.[1] The combined airlines formed the largest airline in the world and US Airways' CEO, Doug Parker, became CEO of the new company until his retirement in March 31, 2022.[2]
