AA 2644 then WN 4531 at Phoenix
Philadelphia → Phoenix → Santa Ana
Timetable, Phoenix time
12:00AA 2644 from Philadelphia at the gate
12:45WN 4531 to Santa Ana leaves the gate
45 min apart on the timetable
The last days
AA 2644 and WN 4531 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.