FlyerTalk Forums - View Single Post - Do airlines allow mileage upgrades using someone else's miles?
Old Oct 21, 2009 | 10:40 pm
  #6  
Benlovesflying
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Join Date: Oct 2009
Location: IAD DCA
Programs: AF plat. SPG Gold
Posts: 143
On most carriers that is possible. The person upgrading you would need to log in with his/ her data and go to Sponsor an upgrade. Then she/he will be asked for a booking reference ( Record Locator, Confirmation code..). This is How UA does it.
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