DL 4634 then DL 4159 at Detroit
Indianapolis → Detroit → Appleton
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
20:00DL 4159 to Appleton leaves the gate
12 h 05 apart on the timetable
DL 4159 leaves 12 h 05 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.