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Route · STL → LAS · 2020–2025 BTS data

St. Louis to Las Vegas

The STL–LAS corridor (St. Louis, MO → Las Vegas, NV) runs ahead of the national average, served by 7 carriers across roughly 1,371 miles.

Data updated 2026-06-13

79.1%
On-time
+0.1 pts
vs US avg
65 min
Delay when late
11,110
Flights

Cancelled

0.9%

Best Month

Jan 2025 88%

Worst Month

Feb 2024 72%

Distance

1,371 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 186 45 0 0 WN,F9
Nov 2025 173 30 0 0 F9,WN
Oct 2025 188 44 0 0 WN,F9
Sep 2025 165 33 1 2 WN,F9
Aug 2025 159 25 2 0 WN,F9
Jul 2025 164 41 1 1 WN,F9
Jun 2025 167 41 1 3 WN,F9
May 2025 173 37 3 0 WN,F9
Apr 2025 172 32 1 0 F9,WN
Mar 2025 173 29 2 0 WN,F9
Feb 2025 152 26 1 0 WN,F9
Jan 2025 153 19 10 0 WN,F9
Dec 2024 173 33 0 0 F9,WN
Nov 2024 162 26 0 0 WN,F9
Oct 2024 179 25 0 0 WN,NK,F9
Sep 2024 163 30 1 0 WN,F9,NK
Aug 2024 178 27 0 0 F9,NK,WN
Jul 2024 188 41 5 0 F9,NK,WN
Jun 2024 185 37 3 0 F9,NK,WN
May 2024 220 59 0 2 F9,NK,WN
Apr 2024 206 41 1 0 F9,NK,WN
Mar 2024 181 40 1 0 F9,WN
Feb 2024 129 36 1 0 F9,WN
Jan 2024 137 37 3 0 F9,WN

Cancellation Rate

0.9%

37 of 4,126 flights

Diversion Rate

0.2%

8 of 4,126 flights

What the Data Says About STL to LAS

11,110 tracked flights put the STL to LAS pairing (St. Louis to Las Vegas) at a 79.1% on-time rate, squarely in line with the wider network. Delays that do occur run 65.3 minutes on average. Across the 1,371-mile route and its 7 carriers, the trailing 24 months show 0.9% cancelled and 0.2% diverted (4,126 flights sampled).

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 88% on-time, while Feb 2024 came in at just 72% - a 16-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from STL to LAS?
Flights from St. Louis to Las Vegas have a 79.1% on-time rate based on 11,110 flights. The average delay is 65.3 minutes. The best recent month was Jan 2025 with 88% on-time.
What is the cancellation rate for STL to LAS?
Over the last 24 months, 0.9% of flights on this route were cancelled (37 of 4,126 flights) and 0.2% were diverted.
How far is the flight from STL to LAS?
The flight distance from St. Louis (STL) to Las Vegas (LAS) is approximately 1,371 miles. This route is served by 7 carriers.
When is the best time to fly from STL to LAS?
The best recent month for on-time performance was Jan 2025 (88% on-time). The worst was Feb 2024 (72% 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.