WN3662Southwest Airlines · SLC → DEN
live · 35m ago
Route confirmed Southwest Airlines

WN3662 Salt Lake CitySLC · 18:45 DenverDEN · 20:10

WN3662 by Southwest Airlines flies from Salt Lake City (SLC) to Denver (DEN) for the Mon, Sep 7 departure.

Right nowLanded in Denver · today
20:15

arrived at DEN · 5 min late

Typical gate push+33 minmedian posted departure
Typical arrival+25 minmedian over 6 operations
Wins back in air~8 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-07
+5 arrival
09-05
+34 gate · +25 arrival
09-04
+18 gate · −4 arrival
09-03
+54 gate · +37 arrival
09-02
+0 gate
09-01
+33 gate · +13 arrival
08-31
+46 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival +25 min · 0 cancelled · 7 operations tracked

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
38%Chance of 15+ min delay
1.3%Chance of cancellation
+9 minAvg hub delay right now

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. 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 →

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
WN2410departs 06:20
WN3658departs 06:45
WN4673departs 08:40
WN725departs 12:05
WN4399departs 12:15
WN2002departs 13:00

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 posting a delay still operate — rebooking usually only beats a very large posted delay. 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. Usually lands ~25 min late. Based on 6 confirmed landings · 3/6 within 15 min of schedule.

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.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-07SLC 18:45DEN 20:10 20:15 (+5)
09-05SLC 14:50 15:24 (+34)DEN 16:20 16:45 (+25)
09-04SLC 18:45 19:03 (+18)DEN 20:10 20:06 (−4)
09-03SLC 18:45 19:39 (+54)DEN 20:10 20:47 (+37)
09-02SLC 17:20 (+0)DEN
09-01SLC 15:40 16:13 (+33)DEN 17:10 17:23 (+13)
08-31SLC DEN 20:10 20:56 (+46)

Aircraft

Recent tails: N8609A, N8551Q, N8954Q, N8756S.

Board clocks recorded as SLC and DEN published them.

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 →