WN 550 then AA 6449 at Phoenix
Denver → Phoenix → Boise
Timetable, Phoenix time
16:45WN 550 from Denver at the gate
20:36AA 6449 to Boise leaves the gate
3 h 51 apart on the timetable
The last days
WN 550 and AA 6449 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.