Originally Posted by
gb88
since I want to use miles to upgrade my flight to Business Class, I may phone the Medallion line and have them book it for me. Perhaps they can determine which flights are in the correct fare class and carry both AF and DL numbers.
Good luck on the upgrade -- not sure what the rules are for all the ST partners. I'm flying later today on AF and I've been told that only the trans-Atlantic legs are upgradeable, although space not currently available. Onward from CDG to BKK-PNH is not upgradeable for miles.