How long can Tianjin Airlines check in online?

Acceptance begins 24 hours before the flight takes off and stops 4 hours before the flight takes off. According to the query of Tianjin Airlines Co., Ltd., in order not to delay online check-in, users should start accepting the flight 24 hours before departure, stop processing it 4 hours before departure, and complete the processing within this time period. Tianjin Airlines was established on June 8, 2009, headquartered in Tianjin, and its main operating bases are located in Tianjin Binhai International Airport and Xi Xianyang International Airport.