FlyerTalk Forums - View Single Post - How to upgrade with miles on a K fare?
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Old Jan 2, 2016 | 5:57 pm
  #2  
TTT
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Join Date: Nov 2004
Location: 45° North
Programs: AS Gold 75K, DL GM/MM
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I would suggest calling Delta fist to see if there is space available. If there is space, you can upgrade at booking. If there isn't then you will waitlist. NB: officially SkyMiles upgrades need to be confirmed in advance as they can't clear from the gate.
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