WN428 LAS → SAN

Southwest Airlines · Las Vegas, NV to San Diego, CA · 46 flights observed, 2025-11-02 to 2026-01-05 · 258 mi

This flight's reliability varies a lot by day of week — 67% on-time on Tuesdays vs. 29% on Mondays.

WN428 covers more than one route in the data window — the stats below are for LAS → SAN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
55%
Median delay
+12 min
90th percentile
+74 min
Cancellation rate
4%

How often is WN428 on time?

Across 46 flights on LAS → SAN from 2025-11-02 to 2026-01-05, WN428 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +74 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2455%
16-30 min716%
31-60 min818%
61-120 min37%
2+ hrs25%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112245%+27 min
2025-122070%+20 min
2026-0120%+92 min

Performance by day of week

DayFlightsOn-time
Mon729%
Tue667%
Wed850%
Thu850%
Fri667%
Sat3100%
Sun650%

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