WN 3410 then WN 296 at Boston
Nashville → Boston → Denver
Timetable, Boston time
09:45WN 3410 from Nashville at the gate
10:40WN 296 to Denver leaves the gate
55 min apart on the timetable
The last days
WN 3410 and WN 296 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.