AA 4344 then AA 4137 at O'Hare
Memphis → Chicago → Asheville
Timetable, Chicago time
12:41AA 4344 from Memphis at the gate
13:29AA 4137 to Asheville leaves the gate
48 min apart on the timetable
The last days
AA 4344 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.