DL 3737 then DL 1633 at Detroit
Milwaukee → Detroit → Houston
Timetable, Detroit time
20:59DL 3737 from Milwaukee at the gate
20:15DL 1633 to Houston leaves the gate
23 h 16 apart on the timetable, overnight
DL 1633 leaves 23 h 16 after DL 3737 arrives on the timetable: more than half a day, so not a connection we count.