WN4152 LAS → ONT

Southwest Airlines · Las Vegas, NV to Ontario, CA · 5 flights observed, 2026-03-08 to 2026-04-05 · 197 mi

WN4152 covers more than one route in the data window — the stats below are for LAS → ONT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
40%
Median delay
+21 min
90th percentile
+78 min
Cancellation rate
0%

How often is WN4152 on time?

Across 5 flights on LAS → ONT from 2026-03-08 to 2026-04-05, WN4152 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +78 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time240%
16-30 min120%
31-60 min120%
61-120 min120%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-03450%+12 min
2026-0410%+108 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
SatNo data—
Sun540%

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