AA 482 then WN 1292 at Boston
Chicago O'Hare → Boston → Nashville
Timetable, Boston time
15:36AA 482 from Chicago O'Hare at the gate
19:30WN 1292 to Nashville leaves the gate
3 h 54 apart on the timetable
The last days
AA 482 and WN 1292 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.