PHOENIX--(BUSINESS WIRE)--Mesa Air Group, Inc. (NASDAQ:MESA) today announced it has reached an agreement with US Airways to extend and expand their existing Capacity Purchase Agreement (CPA). Under the terms of the new agreement, Mesa will continue to operate 20 CRJ-900 aircraft under the US Airways Express brand and will add nine new CRJ-900 aircraft to its current fleet. The new aircraft are expected to be delivered and enter service throughout 2015 and 2016. The term of the agreement has been extended to March 31, 2022. "We are extremely pleased to announce this agreement with US Airways which extends and expands our long-standing partnership," said Jonathan Ornstein, Chairman and Chief Executive Officer of Mesa Air Group. "This agreement provides stability and growth opportunities for Mesa and our employees, and allows us to continue to provide exceptional regional service to US Airways and its passengers." "We are pleased to extend and expand our partnership with Mesa," said Dion Flannery, Senior Vice President, Marketing and Planning for US Airways. "Mesa has been a valuable partner for many years and we look forward to continuing our relationship." About Mesa Air Group, Inc. Mesa Air Group, Inc. is a holding company with subsidiaries that operate two regional airlines, Mesa Airlines and go! operating as go! Mokulele. Mesa operates as US Airways Express and United Express under Capacity Purchase Agreements with US Airways and United Airlines, respectively, and independently as go! in Hawaii. Mesa operates a fleet of 118 aircraft with approximately 675 daily departures to 109 cities, 39 states, the District of Columbia, Canada and Mexico. As of September 30, 2013, Mesa had approximately 2,700 employees and reported total assets of approximately $800 million. About US Airways US Airways, along with its US Airways Shuttle and US Airways Express branded partners, operates approximately 3,200 flights per day and serves more than 200 communities in the U.S., Canada, Mexico, Europe, the Middle East, the Caribbean, Central and South America. US Airways, US Airways Shuttle and US Airways Express employ more than 32,000 aviation professionals worldwide and are members of the Star Alliance network, which offers its customers more than 21,500 daily flights to 1,356 airports in 193 countries. Together with its joint business partners, US Airways serves approximately 80 million passengers each year and operates hubs in Charlotte, N.C., Philadelphia and Phoenix. Aviation Week ranked US Airways as having the Best Fleet Efficiency among major network carriers in 2012. US Airways was, for the third consecutive year, the only major network carrier to receive a Diamond Award from the FAA for its maintenance training program in 2012. The airline also received the J.D. Power and Associates Award for highest customer satisfaction among legacy carriers in North America in 2011 and 2012. US Airways is headquartered in Tempe, Ariz. The airline's stock is traded on the New York Stock Exchange under the symbol LCC and is owned by US Airways Group, Inc. (LCC).