DL 4634 then DL 1689 at Detroit
Indianapolis → Detroit → Syracuse
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:30DL 1689 to Syracuse leaves the gate
13 h 35 apart on the timetable
DL 1689 leaves 13 h 35 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.