AA 2644 then AA 1872 at Phoenix
Philadelphia → Phoenix → Portland (Oregon)
Timetable, Phoenix time
12:00AA 2644 from Philadelphia at the gate
21:21AA 1872 to Portland (Oregon) leaves the gate
9 h 21 apart on the timetable
The last days
AA 2644 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.