Route · LAS → STL · 2020–2025 BTS data
Las Vegas to St. Louis
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LAS to STL (Las Vegas to St. Louis) ranks #1020 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 76.7%
- On-time
- -2.3 pts
- vs US avg
- 58 min
- Delay when late
- 11,089
- Flights
- #1020 of 4927
- Corpus placement
Cancelled
0.6%
Best Month
Nov 2024 89%
Worst Month
Mar 2024 69%
Distance
1,371 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 187 | 38 | 0 | 0 | WN,F9 |
| Nov 2025 | 173 | 28 | 0 | 1 | F9,WN |
| Oct 2025 | 191 | 41 | 0 | 0 | WN,F9 |
| Sep 2025 | 165 | 31 | 1 | 1 | WN,F9 |
| Aug 2025 | 159 | 34 | 0 | 0 | WN,F9 |
| Jul 2025 | 164 | 42 | 1 | 1 | WN,F9 |
| Jun 2025 | 166 | 34 | 0 | 0 | WN,F9 |
| May 2025 | 171 | 42 | 2 | 1 | WN,F9 |
| Apr 2025 | 170 | 35 | 1 | 0 | F9,WN |
| Mar 2025 | 173 | 33 | 2 | 1 | WN,F9 |
| Feb 2025 | 151 | 18 | 1 | 0 | WN,F9 |
| Jan 2025 | 154 | 33 | 7 | 1 | WN,F9 |
| Dec 2024 | 176 | 21 | 0 | 0 | F9,WN |
| Nov 2024 | 162 | 18 | 0 | 1 | WN,F9 |
| Oct 2024 | 181 | 38 | 0 | 0 | WN,NK,F9 |
| Sep 2024 | 163 | 32 | 1 | 1 | WN,F9,NK |
| Aug 2024 | 178 | 36 | 0 | 0 | F9,NK,WN |
| Jul 2024 | 188 | 51 | 4 | 3 | F9,NK,WN |
| Jun 2024 | 185 | 47 | 1 | 0 | F9,NK,WN |
| May 2024 | 215 | 32 | 0 | 3 | F9,NK,WN |
| Apr 2024 | 201 | 38 | 1 | 1 | F9,NK,WN |
| Mar 2024 | 178 | 55 | 0 | 0 | F9,WN |
| Feb 2024 | 141 | 22 | 0 | 1 | F9,WN |
| Jan 2024 | 148 | 31 | 4 | 0 | F9,WN |
LAS–STL seasonal on-time pattern
Best: November (82.9%) · weakest: June (69.9%)
Strongest calendar month
November
82.9% on-time · ~151 flights/mo
Busiest calendar month
August
~173 flights/mo avg
Weakest calendar month
June
69.9% on-time · ~152 flights/mo
Cancellation Rate
0.6%
26 of 4,140 flights
Diversion Rate
0.4%
16 of 4,140 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAS - Las Vegas
Full on-time, delay-cause, and seasonal performance for Las Vegas, NV.
LAS on-time profileSTL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
STL on-time profileCompare the two airports
See LAS and STL side by side on delays, cancellations, and reliability.
Compare LAS vs STLOrigin-hub reliability standing
Mid-pack among LAS departures
From LAS, this corridor sits with 71 other 75–85% on-time routes out of 83 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 10 below 75%). Destination: St. Louis · fleet on-time rank #4168 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAS–STL.
Routes with a similar on-time rate
What the Data Says About LAS to STL
The Las Vegas to St. Louis corridor (LAS to STL) posts a 76.7% on-time rate on the lower edge of the average band, based on 11,089 tracked flights. Late flights run 58.0 minutes behind on average. 7 carriers cover the 1,371-mile route; over the last 24 months, 26 of 4,140 flights were cancelled (0.6%) and 0.4% diverted.
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 89% on-time, while Mar 2024 came in at just 69% - a 20-point swing worth factoring into travel timing.
On the multi-year calendar, LAS–STL peaks in November at 82.9% on-time while August carries the heaviest traffic (~173 flights per month) ; the softest month is June at 69.9%, a 13.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LAS to STL rank among US routes by traffic? ▼
How often are flights delayed from LAS to STL? ▼
What is the cancellation rate for LAS to STL? ▼
How far is the flight from LAS to STL? ▼
When is the best time to fly from LAS to STL? ▼
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 LAS–STL data
LAS–STL is mid-pack at 76.7% on-time; month and carrier mix move more than the corridor headline.
- Compare LAS and STL airport profiles: delay causes and top routes differ even on the same corridor. LAS airport
- If your dates flex, November (82.9% on-time) beats June (69.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 76.7% 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.