AS 609 then WN 425 at Seattle
Phoenix → Seattle → Sacramento
Timetable, Seattle time
15:55AS 609 from Phoenix at the gate
19:55WN 425 to Sacramento leaves the gate
4 h apart on the timetable
Seattle’s board gives a departure time for only about 57% of its flights, so many days show no gate time.
The last days
AS 609 and WN 425 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.