Yes. We did this in December. When you get your reservation # from the DVC member, just call (you have to go through DVC, not CRO) and request Magical Express and give them your flight information.
You need the reservation number to make your ADR's...also, beginning in April you can purchase the dining option (up to 5 days prior, I believe) w/o an additional MYW tix purchase...how is that?
You do have to purchase plan for length of stay & everyone listed on the room res.