WN3581 SFO → LAS

Southwest Airlines · San Francisco, CA to Las Vegas, NV · 44 flights observed, 2025-11-02 to 2026-01-05 · 414 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 3–6am vs. 46% departing 12–3pm.

WN3581 covers more than one route in the data window — the stats below are for SFO → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
70%
Median delay
0 min
90th percentile
+69 min
Cancellation rate
0%

How often is WN3581 on time?

Across 44 flights on SFO → LAS from 2025-11-02 to 2026-01-05, WN3581 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +69 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3170%
16-30 min614%
31-60 min25%
61-120 min37%
2+ hrs25%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112378%+12 min
2025-121963%+17 min
2026-01250%+34 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue667%
Wed825%
Thu743%
Fri6100%
Sat4100%
Sun6100%

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