For travel on or after January 1, 2015 (regardless of ticket purchase date): Pay with Miles tickets are eligible for MQMs and MQSs. In addition, Pay with Miles tickets will earn mileage and MQDs for the portion of the base fare and carrier-imposed surcharges remaining that is paid in currency after miles are applied to the ticket total.
neat when did that change. I wasnt even aware one could earn RDMs when redeeming at DL whats essentially their version of money and miles tickets albeit you can choose how many $ you want to discount with the amount of miles you want to use unlike AS where its a flat rate for a flat 15K miles