Looks like you get waived fees and free upgrades to first class or similar. http://www.delta.com/content/www/en_US/skymiles/about-skymiles/medallion-program/me

Looks like you get waived fees and free upgrades to first class or similar. http://www.delta.com/content/www/en_US/skymiles/about-skymiles/medallion-program/medallion-benefits.html http://www.delta.com/content/www/en_US/skymiles/about-skymil...