China Southern Airlines (CSN) — 671 Aircraft Fleet/ CZ

China Southern Airlines is one of China's "Big Three" carriers and the largest airline in the Southern Hemisphere by passenger volume, headquartered in Guangzhou since its founding in 1991. Operating as a full-service legacy carrier, it conducts extensive domestic operations throughout China as well as significant international services connecting Asia, Europe, Africa, and Australia, with major hubs in Guangzhou, Beijing, and Urumqi. The airline is a founding member of the SkyTeam alliance and offers multiple cabin classes including first class, business class, and economy across its network. China Southern's frequent flyer program, Frequent Flyer, provides rewards and benefits to loyalty program members, while the airline maintains a diverse portfolio of regional and mainline subsidiaries. Known for its strong presence in connecting passengers between China and Africa, the airline carries tens of millions of passengers annually and maintains significant cargo operations alongside its passenger services.