Which departure time was most reliable for DAL to LAS?
Among qualifying DAL-to-LAS departure window results, Early morning had the highest on-time rate: 92.3% of 665 flights. Night was lowest at 43.4% across 173 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 665 | 92.3% | 4.1% | 0.3% |
| Late morning | 582 | 81.8% | 8.6% | 1.7% |
| Afternoon | 842 | 68.6% | 17.2% | 1.4% |
| Evening | 603 | 61.5% | 22.9% | 1.3% |
| Night | 173 | 43.4% | 38.7% | 2.3% |
Which weekday was most reliable for DAL to LAS?
Among qualifying DAL-to-LAS weekday results, Wednesday had the highest on-time rate: 81.0% of 378 flights. Thursday was lowest at 70.2% across 446 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 442 | 73.8% | 14.3% | 1.6% |
| Tuesday | 388 | 78.9% | 13.7% | 1.3% |
| Wednesday | 378 | 81.0% | 10.6% | 0.0% |
| Thursday | 446 | 70.2% | 17.0% | 0.2% |
| Friday | 447 | 71.4% | 16.1% | 2.0% |
| Saturday | 311 | 71.4% | 16.7% | 1.9% |
| Sunday | 453 | 71.1% | 15.7% | 1.8% |
Which airline was most reliable for DAL to LAS?
Only Southwest Airlines met the DAL-to-LAS airline threshold: 73.8% of 2,865 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 2,865 | 73.8% | 14.9% | 1.3% |
Which month was most reliable for DAL to LAS?
Among qualifying DAL-to-LAS month results, September 2025 had the highest on-time rate: 82.3% of 198 flights. June 2026 was lowest at 50.4% across 238 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 255 | 73.7% | 15.3% | 1.2% |
| August 2025 | 209 | 80.9% | 9.6% | 0.5% |
| September 2025 | 198 | 82.3% | 10.6% | 0.0% |
| October 2025 | 257 | 77.0% | 12.1% | 1.9% |
| November 2025 | 257 | 76.7% | 14.0% | 2.7% |
| December 2025 | 257 | 79.0% | 10.5% | 0.4% |
| January 2026 | 225 | 76.0% | 11.6% | 4.4% |
| February 2026 | 211 | 79.1% | 10.4% | 0.5% |
| March 2026 | 247 | 81.4% | 10.5% | 0.0% |
| April 2026 | 251 | 68.1% | 17.5% | 0.4% |
| May 2026 | 260 | 63.8% | 24.2% | 1.2% |
| June 2026 | 238 | 50.4% | 30.3% | 1.7% |
What drove DAL to LAS delay minutes?
Late aircraft was the largest recorded DAL-to-LAS delay category, accounting for 52.5% of 38,098 BTS-attributed delay minutes during July 2025–June 2026.
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