SEA → SJCSeattle to San Jose

live

Direct flights from Seattle (SEA) to San Jose (SJC): 21 nonstop departures observed each week across 3 airlines. 70% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is 2 minutes early. No cancellations were recorded across the 10 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 7 September 2026 at 07:25 UTC.

SEA Seattle smooth · +5
SJC San Jose smooth · +0
1,122 km · ~1h 56m est.
dep bank 07:08–20:4321x weekly
Runs mixed · 3 airlines · 21x weekly · nonstop
70% on time

of the last 10 operated SEA → SJC flights arrived within 15 minutes

Median arrival delay is −2 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−2 minacross the last 10 operated legs
Flight time~1h 56mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 10

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 AirlinesAS

Flights AS1341 07:08 Mo Th Fr Sa Su · AS658 10:28 daily · AS3390 13:55 Fr Sa · AS657 14:42 Mo Tu We Th Su

Delta Air LinesDL

Flights DL3736 08:30 daily · DL1516 11:10 Sa · DL3789 11:35 Mo Tu We Th Fr Su · DL3897 14:40 daily

Southwest AirlinesWN

Flights WN4516 09:25 Tu We Su · WN883 11:50 Mo Th Fr · WN3601 14:20 Sa · WN1536 15:40 Mo Th Fr Su

History

operated legs · board outcomes
09-06AS1303arrived+4
09-06AS1444arrived−15
09-06AS521arrived−9
09-06AS657arrived−22
09-06DL3897arrived−29
09-06DL3956arrived−2
09-06DL4100arrived−25
09-06WN2190arrived+72
09-06WN2233arrived+21
09-06WN3540arrived+19

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 +5 min smooth 🌤 scattered clouds · SW 6 kt Full SEA delay board →
SJCSan Jose +0 min smooth 🌤 clear · N 0 kt Full SJC delay board →

Weather lens

Current conditions put the pressure at SJC: 40% odds of a 15+ minute delay and around +7 min expected when it bites, measured from this route's own weather-matched delay history. 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 95/100. 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 07:08 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 95 flights a week between them. Compare carrier days and times in the airline list above.