Direct flights from Seattle (SEA) to San Diego (SAN): 106 nonstop departures observed each week across 3 airlines. 40% of the last 5 tracked flights arrived within 15 minutes of schedule. The median arrival is 4 minutes early. 3 of the 9 tracked flights were cancelled. The nonstop covers 1,692 km, an estimated 2 hours 40 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and San Diego. Updated 14 November 2026 at 02:35 UTC.
Today, SEA → SAN
Fri 13 Nov · local times
AS621Alaska Airlines357 min late
The SEA board at 18:35 shows departure at 19:00 instead of 13:03, gate N10.
Landing
21:23SAN board estimate · sched 15:50
Later cancelled
2.5%of 2,213 past Alaska Airlines flights whose board showed 70 min or more late
Still to leave today
DL2150 19:03Delta · then AS791 17:19, WN1197 18:35
Pro Flight Search records official board updates for nonstop SEA to SAN flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
High disruption likely. Both endpoints currently score the same, route health score 0/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–SAN?
Operators schedule morning departures around 06:30 and evening departures around 17:19 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SAN delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to SAN?
Great-circle distance is 1,692 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 149–175 min gate-to-gate on this route.
How often does SEA–SAN fly?
3 carriers operate this route, around 106 flights a week between them. Compare carrier days and times in the airline list above.