WN4490 San JoseSJC · 16:25 Las VegasLAS · 18:05
WN4490 by Southwest Airlines flies from San Jose (SJC) to Las Vegas (LAS).
scheduled from SJC
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SJC and LAS 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 San Jose
ForecastTue 3 Nov, local date
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 Las Vegas
ForecastTue 3 Nov, local date
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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Jose to Las Vegas flights today
same route · Southwest AirlinesIf WN4490 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Las Vegas on the same day, with scheduled departure times in SJC 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 WN4490 actually runs
Pro Flight Search has tracked every published board update for WN4490 across the SJC and LAS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: left noticeably late (~22 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4490 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N944WN.
Board clocks recorded as SJC and LAS published them.
Planning around WN4490? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: WN4490 San Jose to Las Vegas on-time performance, measured from the SJC and LAS airport boards.
https://proflightsearch.com/flight/WN4490
.