WN 1896 then WN 8518 at Phoenix
Burbank → Phoenix → Nashville
Timetable, Phoenix time
09:40WN 1896 from Burbank at the gate
13:30WN 8518 to Nashville leaves the gate
3 h 50 apart on the timetable
The last days
WN 1896 and WN 8518 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.