Loong Airlines was originally a cargo airline named CDI Cargo Airlines,[4] which started services in 2012 with one Boeing 737-300F freighter.[5] It was approved to become a passenger airline by the Civil Aviation Administration of China and started domestic services in 2013.[6] On 25 September 2013, the airline signed a memorandum of understanding with Airbus for the purchase of 20 Airbus A320 twin-engined aircraft.[6] Its first flight was on 29 December 2013 from Hangzhou to Chongqing and Hangzhou to Shenzhen.[7]