WN 427 then UA 1297 at Phoenix
Nashville → Phoenix → Denver
Timetable, Phoenix time
07:35WN 427 from Nashville at the gate
10:55UA 1297 to Denver leaves the gate
3 h 20 apart on the timetable
The last days
WN 427 and UA 1297 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.