Route · ATL → STL · 2020–2025 BTS data
Atlanta to St. Louis
The ATL–STL corridor (Atlanta, GA → St. Louis, MO) runs ahead of the national average, served by 6 carriers across roughly 484 miles.
Data updated 2026-06-13
- 84.3%
- On-time
- +5.3 pts
- vs US avg
- 59 min
- Delay when late
- 19,027
- Flights
Cancelled
1.0%
Best Month
Oct 2024 93%
Worst Month
Jul 2024 67%
Distance
484 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 311 | 64 | 4 | 0 | DL,WN,F9 |
| Nov 2025 | 285 | 52 | 10 | 0 | DL,F9,WN |
| Oct 2025 | 348 | 50 | 0 | 0 | WN,DL,F9 |
| Sep 2025 | 317 | 24 | 0 | 1 | WN,DL,F9 |
| Aug 2025 | 331 | 55 | 5 | 2 | WN,F9,DL |
| Jul 2025 | 351 | 75 | 3 | 2 | DL,WN,F9 |
| Jun 2025 | 330 | 83 | 7 | 0 | DL,WN,F9 |
| May 2025 | 288 | 68 | 1 | 0 | DL,WN |
| Apr 2025 | 274 | 55 | 2 | 0 | DL,WN |
| Mar 2025 | 276 | 48 | 1 | 1 | DL,WN |
| Feb 2025 | 247 | 35 | 0 | 0 | DL,WN |
| Jan 2025 | 263 | 57 | 17 | 1 | DL,WN |
| Dec 2024 | 292 | 61 | 0 | 0 | DL,WN |
| Nov 2024 | 276 | 32 | 0 | 0 | WN,DL |
| Oct 2024 | 296 | 21 | 0 | 0 | DL,WN |
| Sep 2024 | 284 | 30 | 0 | 0 | WN,DL |
| Aug 2024 | 299 | 51 | 1 | 0 | DL,WN |
| Jul 2024 | 298 | 99 | 14 | 3 | DL,WN |
| Jun 2024 | 294 | 49 | 0 | 0 | DL,WN |
| May 2024 | 313 | 85 | 0 | 0 | DL,WN |
| Apr 2024 | 294 | 54 | 0 | 1 | DL,WN |
| Mar 2024 | 284 | 44 | 0 | 1 | DL,WN |
| Feb 2024 | 240 | 20 | 0 | 1 | DL,WN |
| Jan 2024 | 256 | 59 | 3 | 0 | DL,WN |
Cancellation Rate
1.0%
68 of 7,047 flights
Diversion Rate
0.2%
13 of 7,047 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
Origin airport →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See ATL 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 ATL–STL.
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What the Data Says About ATL to STL
Bureau of Transportation Statistics records show Atlanta to St. Louis (ATL to STL) running a 84.3% on-time rate over 19,027 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 59.3 minutes. The 484-mile corridor is served by 6 carriers, and over the last 24 months 1.0% of 7,047 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 67% - a 26-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.