Tianjin Airlines (Chinese: 天津航空; pinyin: Tiānjīn Hángkōng —formerly Grand China Express Air) is a regional airline headquartered in Tianjin Binhai International Airport passenger terminal building, Dongli District, Tianjin, People's Republic of China, operating domestic scheduled passenger and cargo flights out of Tianjin Binhai International Airport.

The airline was established in 2004 in an effort to merge the major aviation assets of Hainan Airlines, China Xinhua Airlines, Chang An Airlines and Shanxi Airlines, and received its operating licence from the Civil Aviation Administration of China in 2007. Scheduled flights were launched under the brand name Grand China Express Air, using 29-32 seat Fairchild Dornier 328JET aircraft. At that time, the company was China's largest regional airline, operating on 78 routes linking 54 cities. On 10 June 2009, the company name was changed to Tianjin Airlines. As of August 2011, 63 destinations are served (excluding those operated on behalf of Hainan Airlines), though by 2012, the airline intends to fly on more than 450 routes linking at least 90 cities, taking more than 90% of the domestic regional aviation market.

In mid-2015, Tianjin Airlines signed a contract for 22 Embraer aircraft (20 Embraer 195s and 2 Embraer 190-E2s). It is part of a larger agreement made in 2014 for 40 aircraft, the remaining 18 to be approved by the Chinese authorities. The first Embraer 195 will be delivered later in 2015 and the first Embraer 190-E2 in 2018.

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