DL 4634 then DL 5448 at Detroit
Indianapolis → Detroit → Richmond
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:50DL 5448 to Richmond leaves the gate
13 h 55 apart on the timetable
DL 5448 leaves 13 h 55 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.