SEA → SJCSeattle to San Jose

live

Direct flights from Seattle (SEA) to San Jose (SJC): 96 nonstop departures observed each week across 3 airlines. 75% of the last 12 tracked flights arrived within 15 minutes of schedule. The median arrival is 14 minutes early. No cancellations were recorded across the 12 tracked flights. The nonstop covers 1,122 km, an estimated 1 hour 56 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and San Jose. Updated 6 November 2026 at 11:22 UTC.

Today, SEA → SJC

Fri 6 Nov · local times
  1. 06:30 WN3105Southwest On scheduleGate B12 ·
  2. 07:21 AS1341Alaska On scheduleGate N18 ·
  3. 08:25 DL3736Delta Air Lines On scheduleGate B5 ·
  4. 10:57 AS658Alaska On scheduleGate D6 ·
  5. 11:30 DL3789Delta Air Lines On schedule ·
  6. 12:35 WN2179Southwest On scheduleGate B10 ·
  7. 13:41 AS730Alaska On scheduleGate N10 ·
  8. 14:45 DL3897Delta Air Lines On scheduleGate B1 ·
  9. 14:53 AS521Alaska On scheduleGate N13 ·
  10. 16:38 AS657Alaska Sched 16:38Departure not confirmed by the board ·
  11. 17:30 DL4100Delta Air Lines Sched 17:30Departure not confirmed by the board ·
  12. 18:35 AS1303Alaska Sched 18:35Departure not confirmed by the board ·
  13. 20:45 WN3832Southwest Sched 20:45Departure not confirmed by the board ·

Checked SEA board 03:22 · SJC board 22:03

SEA Seattle busy · +16
SJC San Jose smooth · +8
1,122 km · ~1h 56m est.
dep bank 06:30–21:4596x weekly
Runs mixed · 3 airlines · 96x weekly · nonstop
75% on time

of the last 12 tracked SEA → SJC flights arrived within 15 minutes

Median arrival delay is −14 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−14 minacross the last 12 arrivals
Flight time~1h 56mestimated from route distance
Weekly departures96x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 12

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air LinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS50% on time

Flights AS1341 07:18 Mo Th Fr Sa Su · AS658 varies daily · AS521 varies daily · AS730 13:41 Mo Tu We Th Fr Su

Southwest AirlinesWN

Flights WN3105 06:30 Mo Th Fr Su · WN3451 07:15 Mo Th Fr · WN3766 12:25 Mo Th Fr Sa · WN2179 12:35 Mo Th Fr Su

History

operated legs · board outcomes
11-05AS1303arrived+19
11-05AS1341arrived+53
11-05AS521arrived−14
11-05AS657arrived−19
11-05AS658arrived−31
11-05AS730arrived+35
11-05DL3736arrived−16
11-05DL3789arrived−17
11-05DL3897arrived−17
11-05DL4100arrived−8
11-05WN2179arrived−11
11-05WN3105arrived−25

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +16 min busy 🌤 overcast · S 4 kt Full SEA delay board →
SJCSan Jose +8 min smooth 🌤 clear · SSE 3 kt Full SJC delay board →

Weather lens

Conditions are tightest at SJC: a 39% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Seattle to San Jose route actually runs

Pro Flight Search records official board updates for nonstop SEA to SJC 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.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: Seattle (SEA) to San Jose (SJC) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-SJC
How we measure this →

SEA to SJC questions

Is SEA–SJC running on time right now?

Smooth skies ahead. The departure side at SEA is the weaker end, route health score 83/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–SJC?

Operators schedule morning departures around 06:30 and evening departures around 17:46 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SJC delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to SJC?

Great-circle distance is 1,122 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 109–126 min gate-to-gate on this route.

How often does SEA–SJC fly?

3 carriers operate this route, around 96 flights a week between them. Compare carrier days and times in the airline list above.