WN1277 ChicagoMDW · 15:50 Las VegasLAS · 17:45
WN1277 by Southwest Airlines flies from Chicago (MDW) to Las Vegas (LAS) for the Fri, Oct 30 departure.
arrived at LAS · 3 min late
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at MDW 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 on this route
ForecastChicago to Las Vegas with Southwest Airlines · Sat 31 Oct, local date
- Chance a departure leaves 60+ min late
- 10%1.2× usual
Forecast weather: 80% chance of rain at Chicago; 80% chance of rain at Las Vegas
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 7 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 Chicago to Las Vegas flights today
same route · Southwest AirlinesIf WN1277 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Las Vegas on the same day, with scheduled departure times in MDW 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 WN1277 actually runs
Pro Flight Search has tracked every published board update for WN1277 across the MDW and LAS boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 1 completed leg so far: left a little late (~14 min) but landed right on schedule. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN1277 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as MDW and LAS published them.
Planning around WN1277? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: WN1277 Chicago to Las Vegas on-time performance, measured from the MDW and LAS airport boards.
https://proflightsearch.com/flight/WN1277
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