Originally Posted by
MSPeconomist
At least for USA legacy carriers, I would assume that check in closes one hour before departure. Depending on status and cabin class, planning to get to PVG at roughly 10 am should be fine for a noon departure, but YMMV. It's not a particularly nice airport in which to spend time, lounges are mediocre at best, etc.
Correct --> T-70 check-in is quite safe.