Originally Posted by
BOStonTravels
Thanks, any experiences if work in reverse, keep BA number in booking but then retro claim to AA as simply looking for the miles from one leg of round-trip to credit to AA account?
in this case the miles would post to BA, you'd then have to negotiate with BA to uncredit before contacting AA to credit. An utter pain & likely to be unsuccessful.
Otherwise we'd all be doing this