Route · STL → LAS · 2020–2025 BTS data
St. Louis to Las Vegas
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), STL to LAS (St. Louis to Las Vegas) ranks #1018 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.1%
- On-time
- +0.1 pts
- vs US avg
- 65 min
- Delay when late
- 11,110
- Flights
- #1018 of 4927
- Corpus placement
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 |
STL–LAS seasonal on-time pattern
Best: November (86.7%) · weakest: July (73.6%)
Strongest calendar month
November
86.7% on-time · ~152 flights/mo
Busiest calendar month
August
~176 flights/mo avg
Weakest calendar month
July
73.6% on-time · ~169 flights/mo
Cancellation Rate
0.9%
37 of 4,126 flights
Diversion Rate
0.2%
8 of 4,126 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
STL on-time profileLAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
LAS on-time profileCompare the two airports
See STL and LAS side by side on delays, cancellations, and reliability.
Compare STL vs LASOrigin-hub reliability standing
Mid-pack among STL departures
From STL, this corridor sits with 45 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 1 below 75%). Destination: Las Vegas · fleet on-time rank #3501 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to STL–LAS.
Routes with a similar on-time rate
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.
On the multi-year calendar, STL–LAS peaks in November at 86.7% on-time while August carries the heaviest traffic (~176 flights per month) ; the softest month is July at 73.6%, a 13.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does STL to LAS rank among US routes by traffic? ▼
How often are flights delayed from STL to LAS? ▼
What is the cancellation rate for STL to LAS? ▼
How far is the flight from STL to LAS? ▼
When is the best time to fly from STL to LAS? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using STL–LAS data
STL–LAS is mid-pack at 79.1% on-time; month and carrier mix move more than the corridor headline.
- Compare STL and LAS airport profiles: delay causes and top routes differ even on the same corridor. STL airport
- If your dates flex, November (86.7% on-time) beats July (73.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.