Haikou-based Hainan Airlines (HU) is the fourth largest airline in the People's Republic of China. With hubs at Haikou Meilan International Airport (HAK) and Beijing Capital International Airport (PEK), the airline has non-stop flights to about 90 domestic and international destinations. These include points in Asia, Europe, North America and Africa. Although not a part of any airline alliance, Hainan Airlines has codeshare agreements with about a dozen airlines. Its fleet is primarily configured with two cabins (Business Class and Economy Class).