AA 5510 then DL 5452 at Atlanta
Washington National → Atlanta → Monroe
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
22:12DL 5452 to Monroe leaves the gate
22 h 49 apart on the timetable, overnight
DL 5452 leaves 22 h 49 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.