WN3512 ONT → LAS

Southwest Airlines · Ontario, CA to Las Vegas, NV · 28 flights observed, 2026-03-05 to 2026-04-06 · 197 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 20% on Fridays.

WN3512 covers more than one route in the data window — the stats below are for ONT → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-7 min
90th percentile
+30 min
Cancellation rate
0%

How often is WN3512 on time?

Across 28 flights on ONT → LAS from 2026-03-05 to 2026-04-06, WN3512 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +30 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2175%
16-30 min414%
31-60 min27%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032374%+3 min
2026-04580%-9 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue475%
Wed4100%
Thu5100%
Fri520%
SatNo data—
Sun560%

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