A China Southern Airlines aircraft before landing at Manila's International airport. American Airlines could acquire a stake in state - owned China Southern Airlines , as talks between the two companies prompted a 5.3 % rise in the airline 's Hong Kong - traded shares . China Southern is the country 's largest carrier by revenue , and the government is seeking ways to encourage strong growth in outbound Chinese travel , as well as make good on its vow to shake up its airlines with the help of private capital and strategic investment . In 2015 , Delta Air Lines bought 3.55 % of China Eastern Airlines for $ 450 m .
American Airlines could acquire a stake in state - owned China Southern Airlines , as talks between the two companies prompted a 5.3 % rise in the airline 's Hong Kong - traded shares . China Southern is the country 's largest carrier by revenue , and the government is seeking ways to encourage strong growth in outbound Chinese travel , as well as make good on its vow to shake up its airlines with the help of private capital and strategic investment . In 2015 , Delta Air Lines bought 3.55 % of China Eastern Airlines for $ 450 m .