TAAG Angola Airlines (Linhas Aéreas de Angola) is national airline of Angola, operating from Luanda service domestic, regional African destinations and long haul services to Portugal, Brazil, Cuba and China.
Chengdu Airlines is a subsidiary of Sichuan Airlines, which itself is a subsidiary of China Southern Airlines. From its hub in Chengdu in Sichuan Province, the airline flies to domestic destinations within China.
Piedmont Airlines, operating as US Airways Express, was the former feeder airline for US Airways, which integrated into American Airlines in 2015.