China Southern confirmed in a filing over the weekend that it is in discussions that could lead to Fort Worth, Texas-based American Airlines buying a stake in China’s biggest air carrier.

The deal could help American (Nasdaq: AAL) capture more traffic between the U.S. and China through code sharing partnerships that allow two airlines to more easily book passengers on each other’s flights.

American has 11,000 employees at its hub at Miami International Airport. This potential deal between American…