Route Reliability
St. Louis → Dallas–Fort Worth
STL–DFW · 550 miles · St. Louis Lambert International Airport to Dallas Fort Worth International Airport
- 75%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 3.1%
- Cancelled
- 2,358
- Flights in the data
Data through May 2026.
Airlines on this route
- American Airlines75% on time · 2,297 flights
- Frontier Airlines66% on time · 61 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
STL–DFW flights departing between 3–6 AM arrived on time 92% of the time, versus 53% between 6–9 PM.
Skip Monday if you can.
STL–DFW flights arrived on time 83% of the time on Tuesdays. On Mondays: 69%.
Keep a backup plan handy.
This route was cancelled 3.1% of the time. Typical for U.S. flights is around 1–2%.
Slipping a little lately.
STL–DFW flights arrived on time 76% of the time over the last three months in the data, compared with 81% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon69%(327 flights)
- Tue83%(309 flights)
- Wed74%(313 flights)
- Thu76%(340 flights)
- Fri79%(326 flights)
- Sat74%(314 flights)
- Sun70%(349 flights)
- 3–6 AM92%(312 flights)
- 6–9 AM81%(447 flights)
- 9 AM–12 PM77%(600 flights)
- 12–3 PM76%(245 flights)
- 3–6 PM64%(419 flights)
- 6–9 PM53%(255 flights)
Jun 63% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 211 |
| July 2025 | 67% | 215 |
| August 2025 | 72% | 197 |
| September 2025 | 75% | 189 |
| October 2025 | 80% | 206 |
| November 2025 | 74% | 200 |
| December 2025 | 76% | 197 |
| January 2026 | 82% | 152 |
| February 2026 | 87% | 158 |
| March 2026 | 75% | 180 |
| April 2026 | 78% | 175 |
| May 2026 | 75% | 198 |
Same trip, other airports
Keep nerding
Based on 2,358 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.