DL 5232 then DL 5051 at Detroit
Memphis → Detroit → Buffalo
Timetable, Detroit time
20:50DL 5232 from Memphis at the gate
14:01DL 5051 to Buffalo leaves the gate
17 h 11 apart on the timetable, overnight
DL 5051 leaves 17 h 11 after DL 5232 arrives on the timetable: more than half a day, so not a connection we count.