【在 j*********n 的大作中提到】 : If you transfer at Beijing, then Hainan airline arrives at Hongqiao airport, : not Pudong international airport : . Sorry can't type Chinese.
ORD-SFO (United has 3 non-stop morning flights to choose from) then SFO- Hangzhou (afternoon 1pm, arriving in HZ at 6pm) I'd rather transfer inside USA then do it in China(PVG or PEK), because no need to claim luggage or pass security again at SFO.