Which departure time was most reliable for DFW to STL?
Among qualifying DFW-to-STL departure window results, Early morning had the highest on-time rate: 79.1% of 401 flights. Evening was lowest at 59.1% across 506 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 401 | 79.1% | 13.2% | 2.2% |
| Late morning | 362 | 75.1% | 15.7% | 3.0% |
| Afternoon | 777 | 64.5% | 23.4% | 3.5% |
| Evening | 506 | 59.1% | 28.7% | 3.2% |
| Night | 336 | 61.6% | 24.7% | 3.3% |
Which weekday was most reliable for DFW to STL?
Among qualifying DFW-to-STL weekday results, Tuesday had the highest on-time rate: 74.3% of 331 flights. Sunday was lowest at 56.4% across 360 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 345 | 62.3% | 28.4% | 2.9% |
| Tuesday | 331 | 74.3% | 19.9% | 1.8% |
| Wednesday | 319 | 72.1% | 18.8% | 1.6% |
| Thursday | 357 | 69.2% | 20.4% | 1.4% |
| Friday | 336 | 71.7% | 17.9% | 3.6% |
| Saturday | 334 | 64.1% | 21.0% | 6.3% |
| Sunday | 360 | 56.4% | 25.8% | 4.2% |
Which airline was most reliable for DFW to STL?
Among qualifying DFW-to-STL airline results, Frontier Airlines had the highest on-time rate: 88.8% of 80 flights. SkyWest Airlines was lowest at 62.2% across 98 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,852 | 63.4% | 24.6% | 3.3% |
| Envoy Air | 301 | 85.7% | 7.0% | 2.7% |
| SkyWest Airlines | 98 | 62.2% | 29.6% | 1.0% |
| Frontier Airlines | 80 | 88.8% | 2.5% | 0.0% |
| PSA Airlines | 51 | 62.7% | 23.5% | 7.8% |
Which month was most reliable for DFW to STL?
Among qualifying DFW-to-STL month results, February 2026 had the highest on-time rate: 82.6% of 161 flights. August 2025 was lowest at 54.2% across 203 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 222 | 61.7% | 28.4% | 2.3% |
| August 2025 | 203 | 54.2% | 33.0% | 2.0% |
| September 2025 | 195 | 75.9% | 12.3% | 2.6% |
| October 2025 | 209 | 73.2% | 19.6% | 1.0% |
| November 2025 | 209 | 67.9% | 19.6% | 4.3% |
| December 2025 | 198 | 67.7% | 24.2% | 1.0% |
| January 2026 | 170 | 65.9% | 14.7% | 10.6% |
| February 2026 | 161 | 82.6% | 9.3% | 0.6% |
| March 2026 | 186 | 66.1% | 23.1% | 1.6% |
| April 2026 | 180 | 70.0% | 21.1% | 1.7% |
| May 2026 | 209 | 66.0% | 20.6% | 3.8% |
| June 2026 | 240 | 58.3% | 30.0% | 5.8% |
What drove DFW to STL delay minutes?
Late aircraft was the largest recorded DFW-to-STL delay category, accounting for 54.8% of 58,398 BTS-attributed delay minutes during July 2025–June 2026.
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