AA 6491 then WN 3277 at Phoenix
Grand Junction → Phoenix → Denver
Timetable, Phoenix time
13:50AA 6491 from Grand Junction at the gate
18:15WN 3277 to Denver leaves the gate
4 h 25 apart on the timetable
The last days
AA 6491 and WN 3277 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.