All but low-cost carriers
Only low-cost carriers
Star Alliance
SkyTeam
Oneworld
Air Arabia
Air China
Air India
Bhutan Airlines
Biman Bangladesh Airlines
Buddha Air
Cathay Dragon
China Eastern Airlines
China Southern Airlines
Drukair
Etihad Airways
flydubai
Himalaya Airlines
IndiGo
Jazeera Airways
Korean Air
Malaysia Airlines
Malindo Airways
Nepal Airlines
Oman Air
Qatar Airways
Salam Air
Sichuan Airlines
SilkAir
Simrik Airlines
Thai Airways
Thai Lion Air
Turkish Airlines
Vistara
Yeti Airlines