Originally Posted by
invisible
I guess what would be the majority of answers:
- Live and learn that you should not be transiting via China
- UA already gave you hotel voucher and got you into destination, is it not enough?
Yes, never transit in China, esp PVG or PEK. But of course this is why the seats are available.
China airspace is too petulantly controlled by the military and other factors.
I think if you had to choose a connecting city, ICN is a good choice.