That's exactly what I'm trying avoid - the miles not posting. I'll keep my boarding passes, in case I need to fax them to Delta, and I guess that's all I can do. Just one more thing - 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.

I'll have both my Gold Medallion and my Sky Club cards with me to have access to the Air France lounge.