AA 6499 then WN 2957 at Phoenix
Seattle → Phoenix → San Diego
Timetable, Phoenix time
10:18AA 6499 from Seattle at the gate
11:05WN 2957 to San Diego leaves the gate
47 min apart on the timetable
The last days
AA 6499 and WN 2957 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.