Originally Posted by
RobOnLI
LoganFlyer has the right answer. Plat on "Y" beats out all Diamonds except those on "Y" fares. First order of upgrade priority is ANY medallion on a "Y" fare.
Sure, the flyer may have left an old DM tag on their bag and they are no longer DM but the most correct answer is that Plat on "Y" beats out all other medallions.
http://www.delta.com/content/www/en_...-upgrades.html
-RM
Oh, duh!! I don't know why I forgot that. Case closed