West Airlines Co. Ltd. (simplified Chinese: 西部航空责任公司; traditional Chinese: 西部航空責任公司; pinyin: Xībù Hángkōng Zérèn Gōngsī), operating as West Air, is a low-cost airline based in New North Zone, Chongqing, People's Republic of China, operating a scheduled passenger network to 18 domestic destinations out of Chongqing Jiangbei International Airport and one international one to Changi Airport in Singapore. The company was established in March 2006 by its parent company Hainan Airlines, with the launch of scheduled services on 14 July 2010. The airline is one of the four the founding members of the U-FLY Alliance.

On 4 February 2016, West Air launched its inaugural international flight from Chongqing to Singapore.

As of December 2016, the West Air fleet consists of the following aircraft with an average age of 3.5 years:

The Fortune Wings Club is the loyalty program for West Air and its sister airlines, including Capital Airlines, Tianjin Airlines, Grand China Air, Grand China Express, Hainan Airlines, Hong Kong Airlines, Hong Kong Express and Lucky Air. Membership benefits include air ticket redemption and upgrade; VIP members have additional privileges of dedicated First or Business Class check in counters, lounge access, bonus mileage and extra baggage allowance.

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