Originally Posted by
DreamTrip
I was not clear, I meant that BA will refuse to upgrade a BA leg because there is an AA segment in the itinerary. For example I wanted to UUA LHR-LAX from T to U/J but was declined because my ticket was GOT-LHR-LAX-SAN all ba legs except LAX-SAN that was AA.
Blamed it was a "married segment"
Did you book through a travel agent/third party?