AA 5660 then DL 1627 at Detroit
Washington National → Detroit → Memphis
Timetable, Detroit time
09:01AA 5660 from Washington National at the gate
08:27DL 1627 to Memphis leaves the gate
23 h 26 apart on the timetable, overnight
DL 1627 leaves 23 h 26 after AA 5660 arrives on the timetable: more than half a day, so not a connection we count.