Direct flights from Seattle (SEA) to San Diego (SAN): 21 nonstop departures observed each week across 3 airlines. 60% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 5 tracked flights. 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 17 October 2026 at 00:22 UTC.
Today, SEA → SAN
Fri 16 Oct · local times
AS791Alaska Airlines43 min late
The SEA board at 17:22 shows departure at 17:37 instead of 16:54, gate N19.
Landing
20:25SAN board estimate · sched 19:43
Later cancelled
1%of 4,527 past Alaska Airlines flights whose board showed 40 to 70 min late
Still to leave today
WN3285 19:03Southwest · then AS623 19:07, DL2672 19:59
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. The arrival side at SAN is the weaker end, route health score 33/100. 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 06:45 and evening departures around 17:10 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 108 flights a week between them. Compare carrier days and times in the airline list above.
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