AA 6450 then WN 2016 at Phoenix
Boise → Phoenix → San Diego
Timetable, Phoenix time
10:32AA 6450 from Boise at the gate
11:20WN 2016 to San Diego leaves the gate
48 min apart on the timetable
The last days
AA 6450 and WN 2016 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.