DL 1626 then DL 1627 at Detroit
St Louis → Detroit → Memphis
Timetable, Detroit time
09:13DL 1626 from St Louis at the gate
08:27DL 1627 to Memphis leaves the gate
23 h 14 apart on the timetable, overnight
DL 1627 leaves 23 h 14 after DL 1626 arrives on the timetable: more than half a day, so not a connection we count.