AA 4935 then AA 6250 at O'Hare
Nashville → Chicago → Pittsburgh
Timetable, Chicago time
09:00AA 4935 from Nashville at the gate
09:46AA 6250 to Pittsburgh leaves the gate
46 min apart on the timetable
The last days
AA 4935 and AA 6250 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.