WN4900Southwest Airlines · DEN → SLC
live · just now
Route confirmed Southwest Airlines

WN4900 DenverDEN Salt Lake CitySLC

WN4900 by Southwest Airlines flies from Denver (DEN) to Salt Lake City (SLC).

Right nowNext departure today Operates daily
21:25

scheduled from DEN

The route today

live boards
DENDenverModerate riskDEN delay board →
SLCSalt Lake CityOn-time likelySLC delay board →
DEN→SLCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
33%Chance of 15+ min delay
0.8%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at DEN and SLC 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 DEN

Forecast

Sat 14 Nov, local date

High9°Clikely 6°C to 12°C
Low2°Clikely 0°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 SLC

Forecast

Sat 14 Nov, local date

High10°Clikely 8°C to 12°C
Low5°Clikely 3°C to 7°C
  • 95% 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 Denver to Salt Lake City flights today

same route · Southwest Airlines
WN2115departs 07:15
WN1147departs 08:45
WN855departs 08:50
WN1416departs 10:25
WN2080departs 12:45
WN197departs 13:15

If WN4900 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Salt Lake City on the same day, with scheduled departure times in DEN 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 WN4900 actually runs

Pro Flight Search has tracked every published board update for WN4900 across the DEN and SLC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at DEN and SLC.

The verdict above is that record speaking, so it reflects how WN4900 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN4900? 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: WN4900 Denver to Salt Lake City on-time performance, measured from the DEN and SLC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4900
How we measure this →