Originally Posted by harryhood

It hinges on any delays and where you are sitting on the plane (and how big the plane is) and what gate you arrive at vs departure gate. If you are at the back of the plane and are 15-20 minutes delayed, and you arrive at D but have to go to one of the small number C gates, you will likely make it with only a few minutes to spare. More than that and things get dicey.

Bags is a different question altogether.