Founded in 1988, Air China Limited (CA) is the flag carrier of the People's Republic of China. Their headquarters are at Beijing Capital International Airport with hubs at four other Chinese airports: Chengdu Shuangliu International Airport, Shanghai Pudong International Airport, Shanghai Hongqiao International Airport, and Guangzhou Baiyun International Airport. The airline flies to 185 destinations across Europe, Africa, America and Asia. Since 2006, Air China has been a member of the Star Alliance and has code share agreements with many airlines. The Air China frequent-flyer program is called Phoenix Miles.