What should I do if I can't find a flight in the health declaration of China Eastern Airlines app?

Manual customer service can log in to China Eastern Airlines official website or the mobile phone client APP to find the flight dynamics, or call the customer service hotline 95530 and press the Chinese service 1 key to enter the flight dynamics search and select the most convenient query method. 2. To check the airline's flight dynamics, you usually log in to the airline's official website, find the flight dynamics column on the home page, and enter your corresponding flight number, or even if you can find the city date, the most inconvenient thing is to call the airline and ask the human customer service to tell you the flight dynamics.