Air China Limited has greatly expanded its service network by partnering with world famous airlines in many countries and regions around the globe through Star Alliance. Using code share cooperation, Air China has increased its route coverage all around the world. According to Air China’s flight information statistics by the SSIM file for summer 2006, Air China has code share relationships with 18 airlines adding 157 routes, 2914 weekly flights to its network, which covers 14 countries, 2 regions and 84 cities. If you find the following flight numbers on your tickets, you will be served by the partner airlines of Air China Limited, which means that the flights are operated by the partner airlines of Air China and you need to check-in at the counters of our partner airlines.