|Quoting MarshalN (Reply 4):|
For Asia it might be tricky. Can it be HND?
|Quoting LTU932 (Reply 7):|
Probably, but HND is more a domestic hub. I'd say the biggest O&D airport in Asia would probably be SIN (though they have lots of connecting traffic, especially on flights such as the Kangaroo Route to Australia), followed by NRT.