Originally Posted by
jsloan
MileagePlus miles are awarded based upon the operating carrier, no matter whose code is on it. You can't get more PQM for the same flight by booking on UA vs. booking directly with SA. They only difference is that flights ticketed on 016 stock (issued by United, that is) will accrue PQD, whereas those issued on other airlines won't.
This isn't quite what I was getting at, but you bring up a good point. If I book directly with SA, can I earn PQM on United?