AA 1951 then AA 1666 at Phoenix
San Diego → Phoenix → Ontario
Timetable, Phoenix time
18:02AA 1951 from San Diego at the gate
18:48AA 1666 to Ontario leaves the gate
46 min apart on the timetable
The last days
AA 1951 and AA 1666 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.