AA 4264 then WN 3137 at Boston
Cincinnati → Boston → Nashville
Timetable, Boston time
09:22AA 4264 from Cincinnati at the gate
13:10WN 3137 to Nashville leaves the gate
3 h 48 apart on the timetable
The last days
AA 4264 and WN 3137 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.