Route · LAX → STL · 2020–2025 BTS data
Los Angeles to St. Louis
The LAX–STL corridor (Los Angeles, CA → St. Louis, MO) runs ahead of the national average, served by 10 carriers across roughly 1,592 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 69 min
- Delay when late
- 5,904
- Flights
Cancelled
0.6%
Best Month
May 2025 91%
Worst Month
May 2024 63%
Distance
1,592 mi
Carriers
10
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 103 | 25 | 0 | 0 | WN,OO |
| Nov 2025 | 102 | 27 | 1 | 0 | OO,WN |
| Oct 2025 | 95 | 17 | 0 | 0 | OO,WN |
| Sep 2025 | 82 | 16 | 0 | 0 | WN,OO |
| Aug 2025 | 92 | 22 | 1 | 0 | OO,WN |
| Jul 2025 | 93 | 17 | 0 | 0 | OO,WN |
| Jun 2025 | 90 | 22 | 0 | 0 | AA,OO,WN |
| May 2025 | 87 | 8 | 1 | 0 | AA,WN |
| Apr 2025 | 86 | 12 | 1 | 0 | WN,AA |
| Mar 2025 | 83 | 11 | 0 | 0 | AA,WN |
| Feb 2025 | 47 | 9 | 0 | 0 | AA,WN |
| Jan 2025 | 57 | 7 | 5 | 0 | AA,WN |
| Dec 2024 | 85 | 9 | 0 | 0 | AA,WN |
| Nov 2024 | 89 | 16 | 0 | 0 | OO,WN,AA |
| Oct 2024 | 108 | 15 | 0 | 0 | WN,AA |
| Sep 2024 | 89 | 12 | 0 | 0 | WN,AA |
| Aug 2024 | 95 | 20 | 0 | 0 | AA,WN |
| Jul 2024 | 114 | 34 | 2 | 1 | AA,WN |
| Jun 2024 | 109 | 29 | 1 | 0 | AA,WN |
| May 2024 | 111 | 41 | 1 | 0 | AA,WN |
| Apr 2024 | 106 | 31 | 0 | 1 | AA,WN |
| Mar 2024 | 96 | 25 | 0 | 0 | AA,WN |
| Feb 2024 | 71 | 12 | 0 | 0 | AA,WN |
| Jan 2024 | 85 | 13 | 1 | 0 | AA,WN |
Cancellation Rate
0.6%
14 of 2,175 flights
Diversion Rate
0.1%
2 of 2,175 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
Origin airport →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See LAX and STL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to LAX–STL.
Routes with a similar on-time rate
What the Data Says About LAX to STL
5,904 tracked flights put the LAX to STL pairing (Los Angeles to St. Louis) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 68.7 minutes on average. Across the 1,592-mile route and its 10 carriers, the trailing 24 months show 0.6% cancelled and 0.1% diverted (2,175 flights sampled).
The monthly split is wide on this route: May 2025 posted the strongest performance at 91% on-time, while May 2024 came in at just 63% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from LAX to STL? ▼
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Flight Guides
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.