AA 6244 then UA 1156 at O'Hare
Detroit → Chicago → Cleveland
Timetable, Chicago time
17:32AA 6244 from Detroit at the gate
19:49UA 1156 to Cleveland leaves the gate
2 h 17 apart on the timetable
The last days
AA 6244 and UA 1156 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.