LJ Air or Longjiang Airlines was founded in 2014 with its headquarters in Harbin, China. It was to start its operations in December 2015, but was delayed. The airline then wanted to start operations in June 2016 but again was delayed in receiving its AOC certificate, which it finally received in February 2017. It finally started operations on 10 February 2017, operating the flight between Harbin and Hefei with an Airbus A321. It currently has a fleet of one Airbus 320 and two Airbus A321s.
As of January 2020, LJ Air serves five destinations in China. It plans to open up new services to other destinations to China in the coming years.