AA 1983 then AA 4144 at Phoenix
Miami → Phoenix → Ontario
Timetable, Phoenix time
09:35AA 1983 from Miami at the gate
15:56AA 4144 to Ontario leaves the gate
6 h 21 apart on the timetable
The last days
AA 1983 and AA 4144 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.