1 Delta Air Lines
2 United Airlines
3 Southwest Airlines
4 Lufthansa
5 American Airline
6 China Southern Airlines
7 Ryanair
8 Air France-KLM
9 China Eastern Airlines
10 US Airways
1 Delta Air Lines
2 United Airlines
3 Southwest Airlines
4 Lufthansa
5 American Airline
6 China Southern Airlines
7 Ryanair
8 Air France-KLM
9 China Eastern Airlines
10 US Airways