Originally Posted by
techie
Short of contacting AA, is there any way to do this online? None of the methods seems to work. I booked mine through a TA, in case it makes things more complex.
Does your booking show up on ba.com's MMB? If so, then go to the seat change option and try to change the seat on your AA flight. You will get transferred automatically to the AA site where your AA PNR will be prominently displayed.