WN3749Southwest Airlines · SJC → LAS
live · 6m ago
Route confirmed Southwest Airlines

WN3749 San JoseSJC · 17:10 Las VegasLAS · 18:40

WN3749 by Southwest Airlines flies from San Jose (SJC) to Las Vegas (LAS) for the Fri, Sep 11 departure.

Right nowExpected in Las Vegas · today
18:47

arrival expected at LAS · 7 min late

Typical gate push+36 minmedian posted departure
Typical arrival+7 minmedian over 2 operations
Wins back in air~29 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
SJCSan JoseHigh riskSJC delay board →
LASLas VegasModerate riskLAS delay board →
SJC→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.4%Chance of cancellation
+8 minAvg hub delay right now

Conditions at SJC and LAS 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 San Jose to Las Vegas flights today

same route · Southwest Airlines
WN1312departs 06:15
WN2972departs 06:40
WN1538departs 07:55
WN4915departs 07:55
WN330departs 08:15
WN176departs 08:30

If WN3749 is cancelled, these are the other Southwest Airlines nonstop flights from San Jose to Las Vegas on the same day, with scheduled departure times in SJC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3749 actually runs

Pro Flight Search has tracked every published board update for WN3749 across the SJC and LAS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +36 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN3749 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
09-11SJC 17:10 17:46 (+36)LAS 18:40 18:47 (+7)
09-10SJC 17:10 17:46 (+36)LAS 18:40 18:34 (−6)

Aircraft

Recent tails: N8982S.

Board clocks recorded as SJC and LAS 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 — WN3749 San Jose to Las Vegas on-time performance, measured from the SJC and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3749
How we measure this →