Originally Posted by
josephstern
In case anyone is wondering, the 15% off does still apply if you are booking for another person using your miles, and that other person doesn't have a Delta Amex. Essentially, the 15% discount is based on the account having the miles and the card - not the whether or not the flyer has a Delta Amex.
One case I am wondering about is multiple tickets - I often redeem miles for two tickets, myself and fiance. Does the discount also apply to the second traveler?