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Old Jan 19, 19, 12:18 pm
Join Date: Mar 2013
Location: SAN, MIA, GOT
Posts: 285
Originally Posted by KARFA View Post
AA flights on a BA ticket are upgradable with avios, but only from a very limited number of selling classes. Your AA flight would need to be in J, C, D, W, or Y selling classes in order to upgrade with avios.
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"
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