FlyerTalk Forums - View Single Post - FAQ: Miles + Copay Upgrade / Upgrades (master thread)
Old May 31, 2017, 6:38 pm
  #317  
kb9522
 
Join Date: Apr 2017
Programs: AA, DL, Avis, Enterprise, National, IHG, HH, SPG/MR
Posts: 1,852
Just because there are open seats available does not mean upgrade inventory is available. You could use expertflyer.com to look at available inventory for your flight.
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