Originally Posted by clarence5ybr
I believe NW uses concourse D at ATL, which is also one of the concourses used for DL domestic flights, so the suggested/min connection times for DL intl to NW domestic shouldn't be any different than for DL intl to DL domestic.
True on part 1, but not quite on part 2. Because international comes into concourse E and you're leaving from concourse D, you can walk to D concourse and avoid the train. That walk is shorter than between the other concourses. So if you don't check bags, you're probably be ok.