WN4040 OAK → LAS

Southwest Airlines · Oakland, CA to Las Vegas, NV · 34 flights observed, 2025-07-01 to 2025-08-04 · 407 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 3–6pm vs. 62% departing 9pm–12am.

WN4040 covers more than one route in the data window — the stats below are for OAK → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
68%
Median delay
+4 min
90th percentile
+64 min
Cancellation rate
0%

How often is WN4040 on time?

Across 34 flights on OAK → LAS from 2025-07-01 to 2025-08-04, WN4040 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +64 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2368%
16-30 min26%
31-60 min515%
61-120 min39%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073067%+18 min
2025-08475%+16 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue540%
Wed5100%
Thu520%
Fri450%
Sat5100%
Sun560%

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