DL 3861 then DL 5642 at Detroit
Columbus (Ohio) → Detroit → Indianapolis
Timetable, Detroit time
11:45DL 3861 from Columbus (Ohio) at the gate
17:45DL 5642 to Indianapolis leaves the gate
6 h apart on the timetable
The last days
DL 3861 and DL 5642 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.