AA 5510 then DL 2860 at Atlanta
Washington National → Atlanta → Savannah
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
22:51DL 2860 to Savannah leaves the gate
23 h 28 apart on the timetable, overnight
DL 2860 leaves 23 h 28 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.