Hainan Airlines is an airline headquartered in Haikou, Hainan, China. It is the largest civilian-run air transport company, making it the fourth-largest airline in terms of fleet size in the People's Republic of China, and the tenth-largest airline in Asia in terms of passengers carried. It operates scheduled domestic and international services on 500 routes from Hainan and various locations on the mainland, as well as charter services. Its main base is located at Haikou Meilan International Airport, with hubs at Beijing-Capital, Chongqing, Shenzhen and Xi'an, along with several focus cities. Wikipedia