AS 754 then WN 296 at Seattle
Portland (Oregon) → Seattle → Phoenix
Timetable, Seattle time
10:39AS 754 from Portland (Oregon) at the gate
16:40WN 296 to Phoenix leaves the gate
6 h 01 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 754 and WN 296 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.