WN3641Southwest Airlines · SAN → DEN
live · 10m ago
Route confirmed Southwest Airlines

WN3641 San DiegoSAN · 06:15 DenverDEN · 09:40

WN3641 by Southwest Airlines flies from San Diego (SAN) to Denver (DEN) for the Thu, Oct 29 departure.

Right nowLanded in Denver · today
09:33

arrived at DEN · 7 min early

Typical gate push+3 minmedian posted departure
Typical arrival−7 minmedian over 5 operations
Wins back in air~10 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
10-29
+3 gate · −7 arrival
10-28
−4 gate · −11 arrival
10-27
+4 gate · +5 arrival
10-26
+2 gate · −8 arrival
10-25
−7 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 −7 min · 0 cancelled · 5 operations tracked

The route today

live boards
SANSan DiegoOn-time likelySAN delay board →
DENDenverOn-time likelyDEN delay board →
SAN→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
54%Chance of 15+ min delay
2.1%Chance of cancellation
+18 minTypical airport delay in this weather

Conditions at SAN 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 on this route

Forecast

San Diego to Denver with Southwest Airlines · Fri 30 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.3%0.9× usual
Chance a departure leaves 60+ min late
14%1.2× usual

Forecast weather: 74% chance of rain at San Diego; 37% chance of fog at Denver

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 6 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 San Diego to Denver flights today

same route · Southwest Airlines
WN1934departs 07:20
WN2502departs 07:55
WN2048departs 08:20
WN1737departs 08:25
WN1936departs 10:00
WN1840departs 10:50

If WN3641 is cancelled, these are the other Southwest Airlines nonstop flights from San Diego to Denver on the same day, with scheduled departure times in SAN 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 WN3641 actually runs

Pro Flight Search has tracked every published board update for WN3641 across the SAN and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~7 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN3641 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
10-29SAN 06:15 06:18 (+3)DEN 09:40 09:33 (−7)
10-28SAN 06:30 06:26 (−4)DEN 09:50 09:39 (−11)
10-27SAN 06:30 06:34 (+4)DEN 09:50 09:55 (+5)
10-26SAN 06:15 06:17 (+2)DEN 09:40 09:32 (−8)
10-25SAN 06:15DEN 09:40 09:33 (−7)

Aircraft

Recent tails: N498WN, N7879A, N8757L, N9011H.

Board clocks recorded as SAN 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: WN3641 San Diego to Denver on-time performance, measured from the SAN and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3641
How we measure this →