AA 1153 then DL 2750 at Atlanta
Chicago O'Hare → Atlanta → Cleveland
Timetable, Atlanta time
11:05AA 1153 from Chicago O'Hare at the gate
16:48DL 2750 to Cleveland leaves the gate
5 h 43 apart on the timetable
The last days
AA 1153 and DL 2750 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.