WN423 LAS → SJC

Southwest Airlines · Las Vegas, NV to San Jose, CA · 36 flights observed, 2025-10-02 to 2026-04-06 · 386 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +1 min, while the worst 10% run +82 min or later.

WN423 covers more than one route in the data window — the stats below are for LAS → SJC, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
72%
Median delay
+1 min
90th percentile
+82 min
Cancellation rate
0%

How often is WN423 on time?

Across 36 flights on LAS → SJC from 2025-10-02 to 2026-04-06, WN423 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +82 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time2672%
16-30 min26%
31-60 min26%
61-120 min514%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-101362%+20 min
2026-031974%+17 min
2026-044100%-2 min

Performance by day of week

DayFlightsOn-time
Mon967%
Tue475%
Wed450%
Thu1080%
Fri978%
SatNo data—
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…