FlyerTalk Forums - View Single Post - Change FFN / frequent flyer number on AA booking? (master thread)
Old Jan 28, 2018 | 9:01 am
  #42  
pauleeepaul
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Join Date: Nov 2003
Location: JFK/LGA
Programs: AA LT EXP/5 MM, BA Blue Bayou, HH LT Diamond
Posts: 6,432
The initial FF # entered is notoriously/annoyingly sticky. I think there are some other OW sites that you can use to make the change with more efficacy than AA.com, others will likely weigh in. With a BA number on the booking you cannot use 500 mile upgrade credits.
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