WN956 OntarioONT · 09:45 SacramentoSMF · 11:10
WN956 by Southwest Airlines flies from Ontario (ONT) to Sacramento (SMF).
scheduled from ONT
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −10 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at ONT and SMF 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. This route has few tracked flights so far, so treat this as an early read.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow on this route
ForecastOntario to Sacramento with Southwest Airlines · Mon 2 Nov, local date
- Chance a departure leaves 60+ min late
- 5.1%1.1× usual
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 6 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Ontario to Sacramento flights today
same route · Southwest AirlinesIf WN956 is cancelled, these are the other Southwest Airlines nonstop flights from Ontario to Sacramento on the same day, with scheduled departure times in ONT 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 WN956 actually runs
Pro Flight Search has tracked every published board update for WN956 across the ONT and SMF boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 6 confirmed landings · 5/6 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WN956 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: N216WR, N478WN, N444WN, N930WN.
Board clocks recorded as ONT and SMF published them.
Planning around WN956? 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: WN956 Ontario to Sacramento on-time performance, measured from the ONT and SMF airport boards.
https://proflightsearch.com/flight/WN956