WN4490Southwest Airlines · DEN → SMF
live · 41m ago
Route confirmed Southwest Airlines

WN4490 DenverDEN SacramentoSMF

WN4490 by Southwest Airlines flies from Denver (DEN) to Sacramento (SMF).

Right nowNext departure today Operates daily
06:25

scheduled from DEN

The route today

live boards
DENDenverHigh riskDEN delay board →
SMFSacramentoOn-time likelySMF delay board →
DEN→SMFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
45%Chance of 15+ min delay
1.4%Chance of cancellation
+11 minTypical airport delay in this weather

Driven mainly by DEN (Denver), currently flying LIFR (low instrument). 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 on this route

Forecast

Denver to Sacramento with Southwest Airlines · Sun 1 Nov, local date

Outlook: about usual
Chance a departure leaves 60+ min late
9.4%1.0× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 departures a day on this route with this airline. · 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 Denver to Sacramento flights today

same route · Southwest Airlines
WN1787departs 08:35
WN1788departs 08:50
WN1155departs 12:10
WN371departs 12:40
WN2472departs 15:50
WN4393departs 16:00

If WN4490 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Sacramento on the same day, with scheduled departure times in DEN 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 DEN and SMF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 71.3/100. Based on airport operations, weather, and cached board history at DEN and SMF.

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.

Planning around WN4490? 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: WN4490 Denver to Sacramento on-time performance, measured from the DEN and SMF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4490
How we measure this →