Which departure time was most reliable for TYS to DFW?
Among qualifying TYS-to-DFW departure window results, Late morning had the highest on-time rate: 80.0% of 115 flights. Evening was lowest at 57.8% across 389 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 535 | 78.5% | 11.4% | 3.9% |
| Late morning | 115 | 80.0% | 13.0% | 1.7% |
| Afternoon | 682 | 76.4% | 13.8% | 3.1% |
| Evening | 389 | 57.8% | 25.2% | 5.7% |
Which weekday was most reliable for TYS to DFW?
Among qualifying TYS-to-DFW weekday results, Tuesday had the highest on-time rate: 79.3% of 246 flights. Sunday was lowest at 65.9% across 246 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 248 | 69.0% | 19.8% | 3.2% |
| Tuesday | 246 | 79.3% | 10.2% | 3.3% |
| Wednesday | 238 | 77.3% | 14.7% | 1.3% |
| Thursday | 244 | 79.1% | 14.3% | 2.0% |
| Friday | 246 | 70.7% | 14.2% | 4.9% |
| Saturday | 253 | 70.8% | 15.4% | 7.1% |
| Sunday | 246 | 65.9% | 20.3% | 4.9% |
Which airline was most reliable for TYS to DFW?
Among qualifying TYS-to-DFW airline results, Envoy Air had the highest on-time rate: 88.6% of 88 flights. PSA Airlines was lowest at 71.7% across 279 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| American Airlines | 1,349 | 72.4% | 15.7% | 4.2% |
| PSA Airlines | 279 | 71.7% | 17.6% | 2.5% |
| Envoy Air | 88 | 88.6% | 8.0% | 1.1% |
| SkyWest Airlines | 5 | 60.0% | 0.0% | 40.0% |
Which month was most reliable for TYS to DFW?
Among qualifying TYS-to-DFW month results, February 2026 had the highest on-time rate: 83.5% of 109 flights. June 2026 was lowest at 59.1% across 171 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 158 | 69.6% | 22.8% | 1.9% |
| August 2025 | 156 | 70.5% | 15.4% | 6.4% |
| September 2025 | 150 | 75.3% | 13.3% | 2.7% |
| October 2025 | 154 | 70.8% | 20.1% | 2.6% |
| November 2025 | 117 | 73.5% | 16.2% | 1.7% |
| December 2025 | 122 | 75.4% | 10.7% | 0.8% |
| January 2026 | 124 | 67.7% | 10.5% | 15.3% |
| February 2026 | 109 | 83.5% | 11.9% | 1.8% |
| March 2026 | 148 | 81.1% | 10.8% | 1.4% |
| April 2026 | 149 | 83.2% | 12.1% | 1.3% |
| May 2026 | 163 | 72.4% | 17.2% | 2.5% |
| June 2026 | 171 | 59.1% | 21.6% | 7.6% |
What drove TYS to DFW delay minutes?
Airline was the largest recorded TYS-to-DFW delay category, accounting for 43.7% of 37,901 BTS-attributed delay minutes during July 2025–June 2026.
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