DL 5771 then DL 4646 at Detroit
Indianapolis → Detroit → Harrisburg
Timetable, Detroit time
18:14DL 5771 from Indianapolis at the gate
15:00DL 4646 to Harrisburg leaves the gate
20 h 46 apart on the timetable, overnight
DL 4646 leaves 20 h 46 after DL 5771 arrives on the timetable: more than half a day, so not a connection we count.