Originally Posted by jiejie

No, I don't think so. Besides making no geographical sense, PEK has lots more potential for air traffic delays, long taxi-to-gate times, and usually worse weather/smog. Also longer walks inside the terminal and more intl flights arriving into PEK T3 at same time, so longer at immigration. If the choices are keep what you have vs route through PEK, then definitely keep what you have. Make sure you keep the Lhasa contact number of your guide or whoever is supposed to meet you there, in case you get delayed and need to inform them of an amended arrival time.