AA 5510 then DL 2590 at Atlanta
Washington National → Atlanta → Baltimore
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
23:09DL 2590 to Baltimore leaves the gate
23 h 46 apart on the timetable, overnight
DL 2590 leaves 23 h 46 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.