AA 5471 then DL 750 at Atlanta
Washington National → Atlanta → Orlando
Timetable, Atlanta time
08:30AA 5471 from Washington National at the gate
06:05DL 750 to Orlando leaves the gate
21 h 35 apart on the timetable, overnight
DL 750 leaves 21 h 35 after AA 5471 arrives on the timetable: more than half a day, so not a connection we count.