B6 2040 then WN 3137 at Boston
Cleveland → Boston → Nashville
Timetable, Boston time
12:04B6 2040 from Cleveland at the gate
13:10WN 3137 to Nashville leaves the gate
1 h 06 apart on the timetable
The last days
B6 2040 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.