WN4416 OntarioONT SacramentoSMF
WN4416 by Southwest Airlines flies from Ontario (ONT) to Sacramento (SMF).
scheduled from ONT
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. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
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 WN4416 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 posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4416 actually runs
Pro Flight Search has tracked every published board update for WN4416 across the ONT and SMF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at ONT and SMF.
The verdict above is that record speaking, so it reflects how WN4416 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN4416? 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 — WN4416 Ontario to Sacramento on-time performance, measured from the ONT and SMF airport boards.
https://proflightsearch.com/flight/WN4416
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