AA 2439 then UA 3378 at O'Hare
Nashville → Chicago → Asheville
Timetable, Chicago time
11:00AA 2439 from Nashville at the gate
14:30UA 3378 to Asheville leaves the gate
3 h 30 apart on the timetable
The last days
AA 2439 and UA 3378 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.