AA 1489 then AZ 4506 at San Francisco
Charlotte → San Francisco → Seattle
Timetable, San Francisco time
15:43AA 1489 from Charlotte at the gate
16:17AZ 4506 to Seattle leaves the gate
34 min apart on the timetable
The last days
AA 1489 and AZ 4506 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.