AA 5510 then DL 3005 at Atlanta
Washington National → Atlanta → Greensboro
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
22:42DL 3005 to Greensboro leaves the gate
23 h 19 apart on the timetable, overnight
DL 3005 leaves 23 h 19 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.