1. The establishment time and background are different. Air China was established in 1988. It is the only civil airline flying the national flag in China and a major air transport company controlled by China Airlines Group. Established in 1988, China Eastern Airlines is the core enterprise of China Eastern Airlines Group.
2. The business scope and scale are different. The main business of China International Airlines includes domestic and international passenger transport, freight transport and aviation food. With more than 600 aircraft, it is one of the largest airlines in China. China Eastern Airlines' main business includes air passenger transport, freight transport and tourism, with more than 700 aircraft, and it is the core enterprise of China Eastern Airlines Group.