DL 4634 then DL 4898 at Detroit
Indianapolis → Detroit → Indianapolis
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
20:15DL 4898 to Indianapolis leaves the gate
12 h 20 apart on the timetable
DL 4898 leaves 12 h 20 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.