It is located 21 km (13 mi) north of the city center of Chongqing and serves as an important aviation hub for south-western China.[126] Jiangbei airport is a hub for China Southern Airlines, Chongqing Airlines, Sichuan Airlines, China Express Airlines, Shandong Airlines and Hainan Airlines's new China West Air. Chongqing also is a focus city of Air China, therefore it is very well connected with Star Alliance and Skyteam's international network. The airport currently has three parallel runways in operation.