WN859 ChicagoMDW SacramentoSMF
WN859 by Southwest Airlines flies from Chicago (MDW) to Sacramento (SMF).
scheduled from MDW
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by MDW (Chicago), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Chicago to Sacramento flights today
same route · Southwest AirlinesIf WN859 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Sacramento on the same day, with scheduled departure times in MDW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN859 actually runs
Pro Flight Search has tracked every published board update for WN859 across the MDW and SMF boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at MDW and SMF.
The verdict above is that record speaking, so it reflects how WN859 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WN859? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN859 Chicago to Sacramento on-time performance, measured from the MDW and SMF airport boards.
https://proflightsearch.com/flight/WN859
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