WN5023Southwest Airlines · SEA → SJC
live · 11m ago
Route confirmed Southwest Airlines

WN5023 SeattleSEA San JoseSJC

WN5023 by Southwest Airlines flies from Seattle (SEA) to San Jose (SJC).

Right nowNext departure tomorrow Operates daily
09:45

scheduled from SEA

The route today

live boards
SEASeattleOn-time likelySEA delay board →
SJCSan JoseOn-time likelySJC delay board →
SEA→SJCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
1.1%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at SEA and SJC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Seattle

Forecast

Fri 13 Nov, local date

High14°Clikely 13°C to 16°C
Low10°Clikely 8°C to 12°C
  • 91% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at San Jose

Forecast

Fri 13 Nov, local date

High16°Clikely 14°C to 18°C
Low11°Clikely 9°C to 13°C
  • 97% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to San Jose flights today

same route · Southwest Airlines
WN3105departs 06:30
WN3765departs 09:35
WN2179departs 12:35
WN3657departs 13:15
WN425departs 19:15
WN3832departs 20:45

If WN5023 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to San Jose on the same day, with scheduled departure times in SEA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN5023 actually runs

Pro Flight Search has tracked every published board update for WN5023 across the SEA and SJC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SEA and SJC.

The verdict above is that record speaking, so it reflects how WN5023 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN5023? 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: WN5023 Seattle to San Jose on-time performance, measured from the SEA and SJC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN5023
How we measure this →