DL 4634 then DL 4297 at Detroit
Indianapolis → Detroit → Marquette
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:40DL 4297 to Marquette leaves the gate
13 h 45 apart on the timetable
DL 4297 leaves 13 h 45 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.