Route · DAL → STL · 2020–2025 BTS data
Dallas to St. Louis
The DAL–STL corridor (Dallas, TX → St. Louis, MO) runs ahead of the national average, served by 1 carrier across roughly 546 miles.
Data updated 2026-06-13
- 81%
- On-time
- +2 pts
- vs US avg
- 58 min
- Delay when late
- 11,129
- Flights
Cancelled
1.4%
Best Month
Dec 2025 90%
Worst Month
May 2024 71%
Distance
546 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 154 | 15 | 1 | 0 | WN |
| Nov 2025 | 150 | 28 | 3 | 1 | WN |
| Oct 2025 | 156 | 31 | 2 | 0 | WN |
| Sep 2025 | 172 | 23 | 0 | 0 | WN |
| Aug 2025 | 172 | 39 | 3 | 0 | WN |
| Jul 2025 | 161 | 40 | 0 | 0 | WN |
| Jun 2025 | 160 | 43 | 2 | 0 | WN |
| May 2025 | 173 | 45 | 5 | 2 | WN |
| Apr 2025 | 181 | 35 | 3 | 0 | WN |
| Mar 2025 | 172 | 34 | 1 | 0 | WN |
| Feb 2025 | 160 | 16 | 0 | 0 | WN |
| Jan 2025 | 176 | 25 | 20 | 1 | WN |
| Dec 2024 | 182 | 31 | 1 | 0 | WN |
| Nov 2024 | 172 | 25 | 1 | 1 | WN |
| Oct 2024 | 184 | 30 | 1 | 0 | WN |
| Sep 2024 | 170 | 19 | 0 | 0 | WN |
| Aug 2024 | 176 | 23 | 1 | 0 | WN |
| Jul 2024 | 173 | 49 | 0 | 1 | WN |
| Jun 2024 | 169 | 48 | 0 | 0 | WN |
| May 2024 | 177 | 51 | 6 | 1 | WN |
| Apr 2024 | 171 | 37 | 1 | 0 | WN |
| Mar 2024 | 165 | 41 | 0 | 0 | WN |
| Feb 2024 | 166 | 18 | 0 | 0 | WN |
| Jan 2024 | 178 | 34 | 6 | 0 | WN |
Cancellation Rate
1.4%
57 of 4,070 flights
Diversion Rate
0.2%
7 of 4,070 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DAL - Dallas
Full on-time, delay-cause, and seasonal performance for Dallas, TX.
Origin airport →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See DAL 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 DAL–STL.
Routes with a similar on-time rate
What the Data Says About DAL to STL
11,129 tracked flights put the DAL to STL pairing (Dallas to St. Louis) at a 81% on-time rate, squarely in line with the wider network. Delays that do occur run 58.2 minutes on average. Across the 546-mile route and its 1 carrier, the trailing 24 months show 1.4% cancelled and 0.2% diverted (4,070 flights sampled).
The monthly split is wide on this route: Dec 2025 posted the strongest performance at 90% on-time, while May 2024 came in at just 71% - a 19-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.