WN3755Southwest Airlines · SEA → DEN
live · 12m ago
Route confirmed Southwest Airlines

WN3755 SeattleSEA · 14:10 DenverDEN · 17:55

WN3755 by Southwest Airlines flies from Seattle (SEA) to Denver (DEN).

Right nowNext departure tomorrow Operates daily
06:10

scheduled from SEA

Typical arrival+2 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-31
+2 arrival
10-30
+2 arrival
10-29
−12 arrival
10-26
+27 arrival
10-23
+49 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 +2 min · 0 cancelled · 5 operations tracked

The route today

live boards
SEASeattleHigh riskSEA delay board →
DENDenverModerate riskDEN delay board →
SEA→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
40%Chance of 15+ min delay
2.0%Chance of cancellation
+11 minTypical airport delay in this weather

Driven mainly by DEN (Denver), currently flying LIFR (low instrument). 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 on this route

Forecast

Seattle to Denver with Southwest Airlines · Sun 1 Nov, local date

Outlook: below usual
Chance a departure is cancelled
0.2%0.8× usual
Chance a departure leaves 60+ min late
13%0.8× usual

Forecast weather: 35% chance of fog at Seattle

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · 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 Seattle to Denver flights today

same route · Southwest Airlines
WN3753departs 05:50
WN2515departs 06:15
WN3754departs 09:00
WN2146departs 09:35
WN677departs 12:40
WN2702departs 13:25

If WN3755 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to Denver on the same day, with scheduled departure times in SEA 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 WN3755 actually runs

Pro Flight Search has tracked every published board update for WN3755 across the SEA and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 5 confirmed landings · 3/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3755 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
10-31SEA 14:10DEN 17:55 17:57 (+2)
10-30SEA 14:10DEN 17:55 17:57 (+2)
10-29SEA 14:10DEN 17:55 17:43 (−12)
10-26SEA 14:10DEN 17:55 18:22 (+27)
10-23SEA DEN 17:55 18:44 (+49)

Aircraft

Recent tails: N9012J, N8888M, N8890Q, N8943Q.

Board clocks recorded as SEA and DEN published them.

Planning around WN3755? 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: WN3755 Seattle to Denver on-time performance, measured from the SEA and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3755
How we measure this →