AA 2386 then AA 3437 at O'Hare
Philadelphia → Chicago → Rochester (ROC)
Timetable, Chicago time
07:25AA 2386 from Philadelphia at the gate
08:05AA 3437 to Rochester (ROC) leaves the gate
40 min apart on the timetable
The last days
AA 2386 and AA 3437 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.