FlyerTalk Forums - View Single Post - How to change your passport info in your aa.com account & existing reservation
Old Jan 21, 2016 | 7:13 am
  #8  
seawolf
Original Member
20 Countries Visited
1M
All eyes on you!
25 Years on Site
 
Join Date: May 1998
Location: NYC
Programs: AA 2MM, Bonvoy LTT, Hilton Gold
Posts: 15,001
Unless things have changed since summer, when you check-in, you are required to enter passport info from scratch. Whatever is in the PNR does not carry over to check-in.

Thus my comment there is no point trying to update this prior to check-in.
seawolf is offline