2. China Eastern Airlines and China Eastern Airlines have very strict requirements for the elderly to fly. The condition that needs to be met is that they are accompanied by adults, and then they need to provide health certificates and diagnosis certificates issued by hospitals. In fact, it means to ensure the health of the elderly and meet the corresponding requirements before taking the flight of China Eastern Airlines.
3. Air China, the requirements for the elderly to travel by Air China are not very high. As long as the elderly can ensure their health, they can go through the boarding formalities by providing their ID cards after purchasing air tickets. But it is best for the elderly to provide a health certificate within 96 hours. When providing this health certificate, the airline will provide corresponding compensation if there is an accident during the flight.