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Route · LAS → ONT · 2020–2025 BTS data

Las Vegas to Ontario

The LAS–ONT corridor (Las Vegas, NV → Ontario, CA) runs behind the national average, served by 3 carriers across roughly 197 miles.

Data updated 2026-06-13

77.1%
On-time
-1.9 pts
vs US avg
58 min
Delay when late
12,667
Flights

Cancelled

0.6%

Best Month

Nov 2024 89%

Worst Month

Oct 2025 69%

Distance

197 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 207 49 2 0 WN,F9
Nov 2025 216 56 10 0 F9,WN
Oct 2025 228 71 0 0 WN,F9
Sep 2025 201 45 0 0 WN,F9
Aug 2025 203 39 1 0 WN,F9
Jul 2025 215 59 2 0 WN,F9
Jun 2025 211 55 1 0 WN,F9
May 2025 224 45 1 0 WN,F9
Apr 2025 222 34 1 0 F9,WN
Mar 2025 219 39 1 0 WN,F9
Feb 2025 191 36 1 0 WN,F9
Jan 2025 222 31 3 1 WN,F9
Dec 2024 224 31 0 0 F9,WN
Nov 2024 242 26 0 0 WN,F9
Oct 2024 264 37 0 0 WN,F9
Sep 2024 240 57 2 0 WN,F9
Aug 2024 232 49 1 0 F9,WN
Jul 2024 247 72 1 1 F9,WN
Jun 2024 237 52 5 0 F9,WN
May 2024 236 67 1 0 F9,WN
Apr 2024 225 54 0 0 F9,WN
Mar 2024 224 65 0 0 F9,WN
Feb 2024 182 29 1 0 F9,WN
Jan 2024 197 26 0 0 F9,WN

Cancellation Rate

0.6%

34 of 5,309 flights

Diversion Rate

0.0%

2 of 5,309 flights

What the Data Says About LAS to ONT

The Las Vegas to Ontario corridor (LAS to ONT) posts a 77.1% on-time rate on the lower edge of the average band, based on 12,667 tracked flights. Late flights run 58.4 minutes behind on average. 3 carriers cover the 197-mile route; over the last 24 months, 34 of 5,309 flights were cancelled (0.6%) and 0.0% diverted.

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 89% on-time, while Oct 2025 came in at just 69% - a 20-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from LAS to ONT?
Flights from Las Vegas to Ontario have a 77.1% on-time rate based on 12,667 flights. The average delay is 58.4 minutes. The best recent month was Nov 2024 with 89% on-time.
What is the cancellation rate for LAS to ONT?
Over the last 24 months, 0.6% of flights on this route were cancelled (34 of 5,309 flights) and 0.0% were diverted.
How far is the flight from LAS to ONT?
The flight distance from Las Vegas (LAS) to Ontario (ONT) is approximately 197 miles. This route is served by 3 carriers.
When is the best time to fly from LAS to ONT?
The best recent month for on-time performance was Nov 2024 (89% on-time). The worst was Oct 2025 (69% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.