WN3662Southwest Airlines · SLC → DEN
live · 14m ago
Route confirmed Southwest Airlines

WN3662 Salt Lake CitySLC DenverDEN

WN3662 by Southwest Airlines flies from Salt Lake City (SLC) to Denver (DEN).

Right nowNext departure today Operates daily
15:15

scheduled from SLC

The route today

live boards
SLCSalt Lake CityOn-time likelySLC delay board →
DENDenverOn-time likelyDEN delay board →
SLC→DENevery 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
1.4%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at SLC and DEN 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 4 Nov, local date

High11°Clikely 9°C to 13°C
Low5°Clikely 3°C to 7°C
  • 71% 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.

Tomorrow at DEN

Forecast

Wed 4 Nov, local date

High13°Clikely 11°C to 16°C
Low1°Clikely −1°C to 3°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 Denver flights today

same route · Southwest Airlines
WN1644departs 05:55
WN3872departs 06:00
WN2586departs 06:15
WN1642departs 06:20
WN3873departs 08:15
WN2587departs 08:20

If WN3662 is cancelled, these are the other Southwest Airlines nonstop flights from Salt Lake City to Denver 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 WN3662 actually runs

Pro Flight Search has tracked every published board update for WN3662 across the SLC and DEN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SLC and DEN.

The verdict above is that record speaking, so it reflects how WN3662 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WN3662? 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: WN3662 Salt Lake City to Denver on-time performance, measured from the SLC and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3662
How we measure this →