Originally Posted by
fairhsa
Hong Kong is next to China. (technically part of China). Our airspace is not really our own, and China does not give a [word that gets deleted] about commercial airlines. They do what they like. Thus HK airport regularly has limitations on where planes can fly which cause delays.
it's geography.
I'm pretty sure that it actually is your own...hence that silly 15k foot handoff rule.
Furthermore, overflying China between HK and Japan seems to be quite rare.