Originally Posted by
Flying Machine
What UA routing and Fares make the best sense to take advantage of the TWOV.
LAX-PVG (transit)..
PVG-???-LAX
...
The 144H TWOV for PVG arrivals permits you to exit to a third country (by air) from PVG, SHA, HGH, or NKG. They don't necessarily offer lower fares, but they certainly open up a lot of more routing possibilities via *A and UA codeshares.