AA 4171 then AA 3631 at Phoenix
Ontario → Phoenix → Sacramento
Timetable, Phoenix time
11:02AA 4171 from Ontario at the gate
17:35AA 3631 to Sacramento leaves the gate
6 h 33 apart on the timetable
The last days
AA 4171 and AA 3631 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.