DL 4634 then DL 1187 at Detroit
Indianapolis → Detroit → Boston
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:58DL 1187 to Boston leaves the gate
14 h 03 apart on the timetable
DL 1187 leaves 14 h 03 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.