DL 4634 then DL 5112 at Detroit
Indianapolis → Detroit → Harrisburg
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:30DL 5112 to Harrisburg leaves the gate
13 h 35 apart on the timetable
DL 5112 leaves 13 h 35 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.