WN 3998 then AS 401 at Phoenix
Omaha → Phoenix → Seattle
Timetable, Phoenix time
12:30WN 3998 from Omaha at the gate
16:58AS 401 to Seattle leaves the gate
4 h 28 apart on the timetable
The last days
WN 3998 and AS 401 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.