AA 2853 then AS 609 at Phoenix
Boise → Phoenix → Seattle
Timetable, Phoenix time
08:21AA 2853 from Boise at the gate
12:45AS 609 to Seattle leaves the gate
4 h 24 apart on the timetable
The last days
AA 2853 and AS 609 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.