Which departure time was most reliable for STL to DFW?
Among qualifying STL-to-DFW departure window results, Early morning had the highest on-time rate: 82.5% of 806 flights. Evening was lowest at 50.9% across 454 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 806 | 82.5% | 10.5% | 2.6% |
| Late morning | 597 | 74.2% | 14.9% | 3.7% |
| Afternoon | 523 | 70.4% | 17.8% | 3.8% |
| Evening | 454 | 50.9% | 35.5% | 4.0% |
Which weekday was most reliable for STL to DFW?
Among qualifying STL-to-DFW weekday results, Tuesday had the highest on-time rate: 78.5% of 330 flights. Monday was lowest at 63.5% across 345 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 345 | 63.5% | 26.4% | 3.5% |
| Tuesday | 330 | 78.5% | 12.7% | 3.3% |
| Wednesday | 319 | 75.9% | 16.3% | 0.6% |
| Thursday | 356 | 73.3% | 16.0% | 2.5% |
| Friday | 335 | 75.5% | 14.9% | 2.7% |
| Saturday | 333 | 71.2% | 18.6% | 4.8% |
| Sunday | 362 | 65.2% | 20.4% | 6.1% |
Which airline was most reliable for STL to DFW?
Among qualifying STL-to-DFW airline results, Envoy Air had the highest on-time rate: 80.3% of 299 flights. SkyWest Airlines was lowest at 53.1% across 98 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,852 | 72.0% | 18.0% | 3.5% |
| Envoy Air | 299 | 80.3% | 11.0% | 3.0% |
| SkyWest Airlines | 98 | 53.1% | 33.7% | 3.1% |
| Frontier Airlines | 80 | 67.5% | 17.5% | 2.5% |
| PSA Airlines | 51 | 54.9% | 29.4% | 5.9% |
Which month was most reliable for STL to DFW?
Among qualifying STL-to-DFW month results, February 2026 had the highest on-time rate: 83.9% of 161 flights. June 2026 was lowest at 61.2% across 240 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 222 | 64.0% | 23.0% | 3.2% |
| August 2025 | 203 | 70.0% | 20.2% | 2.5% |
| September 2025 | 193 | 73.6% | 17.6% | 2.1% |
| October 2025 | 209 | 77.5% | 14.4% | 1.9% |
| November 2025 | 210 | 70.0% | 19.0% | 4.8% |
| December 2025 | 199 | 75.4% | 16.6% | 1.0% |
| January 2026 | 169 | 73.4% | 10.1% | 10.1% |
| February 2026 | 161 | 83.9% | 8.1% | 0.6% |
| March 2026 | 186 | 71.0% | 19.9% | 2.7% |
| April 2026 | 180 | 75.6% | 18.3% | 2.2% |
| May 2026 | 208 | 71.2% | 17.8% | 4.3% |
| June 2026 | 240 | 61.2% | 25.8% | 5.4% |
What drove STL to DFW delay minutes?
Late aircraft was the largest recorded STL-to-DFW delay category, accounting for 44.5% of 65,037 BTS-attributed delay minutes during July 2025–June 2026.
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