AA 2009 then AA 2549 at O'Hare
Nashville → Chicago → Newark
Timetable, Chicago time
17:29AA 2009 from Nashville at the gate
20:07AA 2549 to Newark leaves the gate
2 h 38 apart on the timetable
The last days
AA 2009 and AA 2549 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.