WN5109 Las VegasLAS · 06:00 BuffaloBUF · 13:10
WN5109 by Southwest Airlines flies from Las Vegas (LAS) to Buffalo (BUF).
scheduled from LAS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LAS and BUF 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.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow on this route
ForecastLas Vegas to Buffalo with Southwest Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 0.2%2.0× usual
- Chance a departure leaves 60+ min late
- 17%1.0× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 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 Las Vegas to Buffalo flights today
same route · Southwest AirlinesIf WN5109 is cancelled, these are the other Southwest Airlines nonstop flights from Las Vegas to Buffalo on the same day, with scheduled departure times in LAS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN5109 actually runs
Pro Flight Search has tracked every published board update for WN5109 across the LAS and BUF boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +11 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN5109 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: N8964L.
Board clocks recorded as LAS and BUF published them.
Planning around WN5109? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN5109 Las Vegas to Buffalo on-time performance, measured from the LAS and BUF airport boards.
https://proflightsearch.com/flight/WN5109
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