AA 5181 then DL 1656 at Charlotte
Washington → Charlotte → Atlanta (ATL)
Timetable, Charlotte time
06:38AA 5181 from Washington at the gate
06:31DL 1656 to Atlanta (ATL) leaves the gate
23 h 53 apart on the timetable, overnight
DL 1656 leaves 23 h 53 after AA 5181 arrives on the timetable: more than half a day, so not a connection we count.