AA 5510 then DL 2144 at Atlanta
Washington National → Atlanta → Madison
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
21:45DL 2144 to Madison leaves the gate
22 h 22 apart on the timetable, overnight
DL 2144 leaves 22 h 22 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.