AA 2600 then AA 4137 at O'Hare
Boston → Chicago → Asheville
Timetable, Chicago time
12:33AA 2600 from Boston at the gate
13:29AA 4137 to Asheville leaves the gate
56 min apart on the timetable
The last days
AA 2600 and AA 4137 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.