AA 3591 then AA 3644 at Phoenix
Monterey → Phoenix → Grand Junction
Timetable, Phoenix time
09:05AA 3591 from Monterey at the gate
16:13AA 3644 to Grand Junction leaves the gate
7 h 08 apart on the timetable
The last days
AA 3591 and AA 3644 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.