WN4249 SFO → LAS

Southwest Airlines · San Francisco, CA to Las Vegas, NV · 23 flights observed, 2026-06-04 to 2026-06-30 · 414 mi

This flight has been on time less than half the time (17%) — expect a real chance of a delay.

WN4249 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
17%
Median delay
+60 min
90th percentile
+99 min
Cancellation rate
0%

How often is WN4249 on time?

Across 23 flights on SFO → LAS from 2026-06-04 to 2026-06-30, WN4249 arrived within 15 minutes of schedule 17% of the time. The median arrival delay was +60 min, and the worst 10% of flights arrived +99 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time417%
16-30 min14%
31-60 min730%
61-120 min1043%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062317%+55 min

Performance by day of week

DayFlightsOn-time
Mon40%
Tue450%
Wed333%
Thu40%
Fri425%
Sat40%
SunNo data—

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