WN5109Southwest Airlines · LAS → BUF
live · 26m ago
Route confirmed Southwest Airlines

WN5109 Las VegasLAS BuffaloBUF

WN5109 by Southwest Airlines flies from Las Vegas (LAS) to Buffalo (BUF).

Right nowNext departure today Operates daily
10:20

scheduled from LAS

The route today

live boards
LASLas VegasOn-time likelyLAS delay board →
BUFBuffaloOn-time likelyBUF delay board →
LAS→BUFevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
0.7%Chance of cancellation
+10 minTypical airport delay in this weather

Conditions 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. 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 at Las Vegas

Forecast

Sat 7 Nov, local date

High24°Clikely 23°C to 25°C
Low13°Clikely 12°C to 15°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Buffalo

Forecast

Sat 7 Nov, local date

High9°Clikely 8°C to 11°C
Low5°Clikely 3°C to 7°C
  • 87% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Las Vegas to Buffalo flights today

same route · Southwest Airlines
WN5127departs 10:05
WN5105departs 10:50
WN3086departs 11:30
WN5094departs 11:40
WN854departs 12:00
WN5130departs 12:15

If 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. 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. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at LAS and BUF.

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.

Planning around WN5109? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WN5109 Las Vegas to Buffalo on-time performance, measured from the LAS and BUF airport boards.

Canonical URL
https://proflightsearch.com/flight/WN5109
How we measure this →