FlyerTalk Forums - View Single Post - Upgrade and changing booking class. Milleage accrual?
Old Feb 18, 2014 | 12:08 am
  #11  
KLflyerRalph
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15 Years on Site
 
Join Date: May 2010
Programs: Delta Silver, HH Gold, Accor Gold, IHG Platinum
Posts: 5,395
I think you can't do that unless you have a fully flexible fare?
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