AA 3185 then AA 3364 at O'Hare
Newark → Chicago → Detroit
Timetable, Chicago time
07:20AA 3185 from Newark at the gate
10:30AA 3364 to Detroit leaves the gate
3 h 10 apart on the timetable
The last days
AA 3185 and AA 3364 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.