AA 2618 then WN 4765 at Boston
Charlotte → Boston → Nashville
Timetable, Boston time
14:04AA 2618 from Charlotte at the gate
14:25WN 4765 to Nashville leaves the gate
21 min apart on the timetable
The last days
AA 2618 and WN 4765 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.