WN3766Southwest Airlines · SEA → SJC
live · 40m ago
Route confirmed Southwest Airlines

WN3766 SeattleSEA · 12:25 San JoseSJC · 14:35

WN3766 by Southwest Airlines flies from Seattle (SEA) to San Jose (SJC) for the Mon, Oct 19 departure.

Right nowLanded in San Jose · today
14:41

arrived at SJC · 6 min late

Typical arrival+8 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
10-19
+6 arrival
10-17
+40 arrival
10-16
+8 arrival

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

The route today

live boards
SEASeattleOn-time likelySEA delay board →
SJCSan JoseOn-time likelySJC delay board →
SEA→SJCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.2%Chance of cancellation
+8 minAvg hub delay right now

Conditions at SEA and SJC 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 Seattle to San Jose flights today

same route · Southwest Airlines
WN3521departs 07:05
WN3451departs 07:15
WN3765departs 09:35
WN3657departs 13:15
WN2794departs 19:25
WN3727departs 21:10

If WN3766 is cancelled, these are the other Southwest Airlines nonstop flights from Seattle to San Jose on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3766 actually runs

Pro Flight Search has tracked every published board update for WN3766 across the SEA and SJC boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed +12 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3766 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
10-19SEA 12:25SJC 14:35 14:41 (+6)
10-17SEA 17:15SJC 19:25 20:05 (+40)
10-16SEA 12:25SJC 14:35 14:43 (+8)
10-15SEA 12:25SJC

Aircraft

Recent tails: N7741C, N8545V.

Board clocks recorded as SEA and SJC 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 — WN3766 Seattle to San Jose on-time performance, measured from the SEA and SJC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3766
How we measure this →