AA 4979 then AA 6436 at Phoenix
Flagstaff → Phoenix → Tucson
Timetable, Phoenix time
11:32AA 4979 from Flagstaff at the gate
20:12AA 6436 to Tucson leaves the gate
8 h 40 apart on the timetable
The last days
AA 4979 and AA 6436 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.