DL 5232 then DL 5126 at Detroit
Memphis → Detroit → Grand Rapids
Timetable, Detroit time
20:50DL 5232 from Memphis at the gate
18:00DL 5126 to Grand Rapids leaves the gate
21 h 10 apart on the timetable, overnight
DL 5126 leaves 21 h 10 after DL 5232 arrives on the timetable: more than half a day, so not a connection we count.