Originally Posted by
fabsco
My experience has been that if you have a domestic segment on an international ticket that has been upgraded you can check three bags.
A Platinum booked in first/business on international flights operated by DL get up to 3 free bags of up to 70 pounds. Platinums on a coach-only itinerary only get 2 free bags of up to 70 pounds.
It used to be that Platinums got 3 free bags of up to 70lbs regardless of class of travel or destination, but DL cut that benefit too.