Originally Posted by
SFGuy37
does this work on a connecting itinerary i.e. I book SFO>LAX>LHR on AA and see C upgrade availability on LAX>LHR. Can the agent apply the AS Upgeade coupon to the LHR segment and leave the SFO>LAX segment untouched, or does it have to be a direct flight on its own booking?
It will work fine on connecting itineraries. As long as one of the qualifying nonstops is in there, they will upgrade that flight. Does not need to originate and terminate in the listed markets.