AA 3856 then AA 1872 at Phoenix
San Diego → Phoenix → Portland (Oregon)
Timetable, Phoenix time
20:36AA 3856 from San Diego at the gate
21:21AA 1872 to Portland (Oregon) leaves the gate
45 min apart on the timetable
The last days
AA 3856 and AA 1872 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.