Route · STL → DAL · 2020–2025 BTS data
St. Louis to Dallas
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), STL to DAL (St. Louis to Dallas) ranks #1014 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 60 min
- Delay when late
- 11,152
- Flights
- #1014 of 4927
- Corpus placement
Cancelled
1.6%
Best Month
Oct 2024 93%
Worst Month
May 2024 67%
Distance
546 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 153 | 34 | 2 | 0 | WN |
| Nov 2025 | 153 | 31 | 4 | 0 | WN |
| Oct 2025 | 156 | 39 | 2 | 1 | WN |
| Sep 2025 | 172 | 37 | 0 | 1 | WN |
| Aug 2025 | 173 | 40 | 2 | 2 | WN |
| Jul 2025 | 162 | 47 | 2 | 1 | WN |
| Jun 2025 | 161 | 49 | 1 | 1 | WN |
| May 2025 | 172 | 35 | 5 | 1 | WN |
| Apr 2025 | 181 | 26 | 7 | 1 | WN |
| Mar 2025 | 173 | 22 | 3 | 0 | WN |
| Feb 2025 | 160 | 23 | 1 | 0 | WN |
| Jan 2025 | 176 | 21 | 17 | 2 | WN |
| Dec 2024 | 183 | 48 | 1 | 1 | WN |
| Nov 2024 | 170 | 32 | 0 | 0 | WN |
| Oct 2024 | 185 | 13 | 1 | 0 | WN |
| Sep 2024 | 170 | 23 | 2 | 0 | WN |
| Aug 2024 | 175 | 28 | 0 | 0 | WN |
| Jul 2024 | 174 | 49 | 1 | 0 | WN |
| Jun 2024 | 169 | 44 | 0 | 2 | WN |
| May 2024 | 172 | 57 | 7 | 0 | WN |
| Apr 2024 | 172 | 41 | 1 | 1 | WN |
| Mar 2024 | 176 | 38 | 1 | 1 | WN |
| Feb 2024 | 166 | 20 | 0 | 0 | WN |
| Jan 2024 | 178 | 45 | 7 | 0 | WN |
STL–DAL seasonal on-time pattern
Best: February (87.4%) · weakest: June (71.4%)
Strongest calendar month
February
87.4% on-time · ~151 flights/mo
Busiest calendar month
March
~163 flights/mo avg
Weakest calendar month
June
71.4% on-time · ~148 flights/mo
Cancellation Rate
1.6%
67 of 4,082 flights
Diversion Rate
0.4%
15 of 4,082 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 profileDAL - Dallas
Full on-time, delay-cause, and seasonal performance for Dallas, TX.
DAL on-time profileCompare the two airports
See STL and DAL side by side on delays, cancellations, and reliability.
Compare STL vs DALOrigin-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: Dallas · fleet on-time rank #2954 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to STL–DAL.
Routes with a similar on-time rate
What the Data Says About STL to DAL
11,152 tracked flights put the STL to DAL pairing (St. Louis to Dallas) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 59.6 minutes on average. Across the 546-mile route and its 1 carrier, the trailing 24 months show 1.6% cancelled and 0.4% diverted (4,082 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while May 2024 came in at just 67% - a 26-point swing worth factoring into travel timing.
On the multi-year calendar, STL–DAL peaks in February at 87.4% on-time while March carries the heaviest traffic (~163 flights per month) ; the softest month is June at 71.4%, a 16.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does STL to DAL rank among US routes by traffic? ▼
How often are flights delayed from STL to DAL? ▼
What is the cancellation rate for STL to DAL? ▼
How far is the flight from STL to DAL? ▼
When is the best time to fly from STL to DAL? ▼
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–DAL data
STL–DAL is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.
- Compare STL and DAL airport profiles: delay causes and top routes differ even on the same corridor. STL airport
- If your dates flex, February (87.4% on-time) beats June (71.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.5% 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.