WN 155 then WN 1407 at Phoenix
Louisville → Phoenix → Nashville
Timetable, Phoenix time
10:40WN 155 from Louisville at the gate
11:20WN 1407 to Nashville leaves the gate
40 min apart on the timetable
The last days
WN 155 and WN 1407 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.