DL 3837 then DL 1627 at Detroit
South Bend → Detroit → Memphis
Timetable, Detroit time
09:30DL 3837 from South Bend at the gate
08:27DL 1627 to Memphis leaves the gate
22 h 57 apart on the timetable, overnight
DL 1627 leaves 22 h 57 after DL 3837 arrives on the timetable: more than half a day, so not a connection we count.