WN128Southwest Airlines · SLC → LAS
live · 41m ago
Route confirmed Southwest Airlines

WN128 Salt Lake CitySLC Las VegasLAS

WN128 by Southwest Airlines flies from Salt Lake City (SLC) to Las Vegas (LAS).

Right nowNext departure today Operates daily
16:35

scheduled from SLC

The route today

live boards
SLCSalt Lake CityOn-time likelySLC delay board →
LASLas VegasOn-time likelyLAS delay board →
SLC→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
0.4%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at SLC 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 at SLC

Forecast

Wed 11 Nov, local date

High14°Clikely 13°C to 15°C
Low4°Clikely 3°C to 5°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 LAS

Forecast

Wed 11 Nov, local date

High25°Clikely 24°C to 26°C
Low13°Clikely 12°C to 14°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.

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 Salt Lake City to Las Vegas flights today

same route · Southwest Airlines
WN2116departs 06:00
WN16departs 06:40
WN1671departs 06:50
WN854departs 10:50
WN2330departs 11:10
WN2984departs 11:10

If WN128 is cancelled, these are the other Southwest Airlines nonstop flights from Salt Lake City to Las Vegas on the same day, with scheduled departure times in SLC 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 WN128 actually runs

Pro Flight Search has tracked every published board update for WN128 across the SLC and LAS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 7.3/100. Based on airport operations, weather, and cached board history at SLC and LAS.

The verdict above is that record speaking, so it reflects how WN128 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN128? 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: WN128 Salt Lake City to Las Vegas on-time performance, measured from the SLC and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN128
How we measure this →