AA 5510 then DL 2372 at Atlanta
Washington National → Atlanta → Roanoke
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
22:53DL 2372 to Roanoke leaves the gate
23 h 30 apart on the timetable, overnight
DL 2372 leaves 23 h 30 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.