FlyerTalk Forums - View Single Post - China travel advice needed: GUC's from JFK to PVG or HKG
Old Sep 18, 2018 | 11:59 am
  #8  
mills1090
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Originally Posted by MSPeconomist
If you can now use GUCs on KE operated flights, this is new. You can use DL miles to upgrade from FULL Y fares to business class under the SkyTeam mileage upgrade award program.
From DL's site: https://www.delta.com/content/www/en...-upgrades.html

"Finding flights: Upgrade Certificates can be used on any Delta-operated flight, and select partner-operated flights with KLM, Air France, Virgin Atlantic, Korean Air and Aeromexico."

So its there under the cert upgrade eligible carriers.
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