AA 2622 then WN 2447 at Phoenix
Philadelphia → Phoenix → San Diego
Timetable, Phoenix time
23:59AA 2622 from Philadelphia at the gate
09:20WN 2447 to San Diego leaves the gate
9 h 21 apart on the timetable, overnight
The last days
AA 2622 and WN 2447 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.