AA 3675 then AA 3544 at O'Hare
Cincinnati Northern Kentucky → Chicago → Detroit
Timetable, Chicago time
12:35AA 3675 from Cincinnati Northern Kentucky at the gate
13:30AA 3544 to Detroit leaves the gate
55 min apart on the timetable
The last days
AA 3675 and AA 3544 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.