AA 540 then AA 1841 at Phoenix
Spokane → Phoenix → Ontario
Timetable, Phoenix time
17:22AA 540 from Spokane at the gate
21:35AA 1841 to Ontario leaves the gate
4 h 13 apart on the timetable
The last days
AA 540 and AA 1841 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.