DL 712 then DL 3244 at Atlanta
Washington National → Atlanta → Raleigh-Durham
Timetable, Atlanta time
21:38DL 712 from Washington National at the gate
20:45DL 3244 to Raleigh-Durham leaves the gate
23 h 07 apart on the timetable, overnight
DL 3244 leaves 23 h 07 after DL 712 arrives on the timetable: more than half a day, so not a connection we count.