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Old Jan 24, 2019, 9:56 am
  #7  
Stgermainparis
 
Join Date: Feb 2013
Programs: Hyatt Globalist, MLife Gold, Marriott Gold, HHonors Gold, Caesars Diamond, Amex Plat
Posts: 5,953
Originally Posted by KARFA
If you go in to the booking on AA.com using the AA PNR (i.e. the one shown when you are selecting seats on ba.com) you can add your KTN at the bottom in the passenger details area.

If you want to change the frequent flyer number associated with the booking then you need to use the finnair MMB with the BA PNR, take out your BA number, give it a few minutes, then add in your AA number.
Thanks, everyone, I was able to see that BA already added my KTN to the AA PNR, so that's good. KARFA, good to know re Finnair! LOL. B/c I could not change the BA # to my AA #. I think since I'm hooked into my KTN, I don't think I'll need to switch the #s out but maybe in the future.
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