How long is Zhongchuan Airport usually ahead of schedule?

Three hours. In order to ensure the normal flight of passengers, Zhongchuan Airport needs to carry out security check-in and health registration, and basically arrives at the airport three hours in advance for check-in procedures. Zhongchuan Airport Process: Go to the self-service check-in counter, select "Click to handle, place the second-generation ID card of residents, click check-in, and click to print boarding pass.