Originally Posted by
aceji
The (ua) LAX->SFO->PEK flight is less expensive than the SFO->PEK flight, but I would like to simply check-in and board from SFO.
However obtuse it might seem, there is some method to the madness in this pricing scenario. The airlines are very much on the lookout for people trying to circumvent their rules, and will cancel your whole ticket in a flash.