DL 4887 then DL 4139 at Detroit
Grand Rapids → Detroit → Cleveland
Timetable, Detroit time
08:41DL 4887 from Grand Rapids at the gate
17:56DL 4139 to Cleveland leaves the gate
9 h 15 apart on the timetable
The last days
DL 4887 and DL 4139 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.