DL 4827 then AA 5003 at Detroit
Cleveland → Detroit → Chicago O'Hare
Timetable, Detroit time
09:10DL 4827 from Cleveland at the gate
11:29AA 5003 to Chicago O'Hare leaves the gate
2 h 19 apart on the timetable
The last days
DL 4827 and AA 5003 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.