AA 3583 then AA 6489 at Phoenix
Seattle → Phoenix → Guadalajara
Timetable, Phoenix time
09:06AA 3583 from Seattle at the gate
09:35AA 6489 to Guadalajara leaves the gate
29 min apart on the timetable
The last days
AA 3583 and AA 6489 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.