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Old Apr 1, 2023 | 8:52 am
  #3  
Cory6188
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Join Date: Jun 2003
Location: NJ
Programs: DL DM, Marriott Plat
Posts: 949
Complimentary Medallion upgrades to C+ are available systemwide - it's only upgrades to Premium Select or Delta One that require an upgrade certificate for international flights. Same applies on KL/AF, which is how you were able to get upgrades to their extra legroom seats at booking.
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