Originally Posted by
mherdeg
If the Asiana flight is oversold in your booked class of service, the fact that you are an elite-level frequent flyer with an Asiana partner airline (United) may lead to your being "operationally upgraded" (pushed into a higher class of service because they oversold coach), but op ups are pretty rare.
Indeed, so rare that I hesitate to even mention the op-up as a possibility in response to questions like this one. In nearly 1MM on UA, I've never gotten one.