FlyerTalk Forums - View Single Post - Adding an FF# after flight is already booked?
Old May 7, 2012 | 1:00 pm
  #5  
thetravelabstract
 
Join Date: Jul 2011
Location: NYC
Posts: 511
You can't earn miles for other peoples flights. You can have them signup or better yet ask to manage their accounts.

If they are willing to let you have control of their accounts and use the miles if they ever get enough for a free flight, go for it.

Otherwise there's not much you can do,
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