Which departure time was most reliable for LAS to DEN?
Among qualifying LAS-to-DEN departure window results, Early morning had the highest on-time rate: 90.3% of 1,614 flights. Afternoon was lowest at 66.1% across 2,271 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 1,614 | 90.3% | 4.1% | 0.6% |
| Late morning | 1,403 | 85.3% | 8.1% | 0.9% |
| Afternoon | 2,271 | 66.1% | 22.7% | 0.7% |
| Evening | 1,197 | 67.1% | 22.6% | 1.2% |
| Night | 603 | 73.1% | 16.6% | 1.5% |
Which weekday was most reliable for LAS to DEN?
Among qualifying LAS-to-DEN weekday results, Saturday had the highest on-time rate: 82.3% of 858 flights. Friday was lowest at 70.6% across 1,097 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 1,075 | 72.0% | 18.4% | 0.7% |
| Tuesday | 920 | 78.4% | 14.1% | 1.0% |
| Wednesday | 938 | 82.1% | 11.3% | 0.5% |
| Thursday | 1,070 | 73.4% | 17.2% | 0.7% |
| Friday | 1,097 | 70.6% | 18.0% | 1.3% |
| Saturday | 858 | 82.3% | 9.6% | 0.6% |
| Sunday | 1,130 | 76.8% | 14.8% | 1.2% |
Which airline was most reliable for LAS to DEN?
Among qualifying LAS-to-DEN airline results, United Airlines had the highest on-time rate: 83.2% of 2,416 flights. Southwest Airlines was lowest at 69.7% across 3,118 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 3,118 | 69.7% | 18.1% | 1.1% |
| United Airlines | 2,416 | 83.2% | 10.8% | 0.5% |
| Frontier Airlines | 1,554 | 78.2% | 15.3% | 1.0% |
Which month was most reliable for LAS to DEN?
Among qualifying LAS-to-DEN month results, January 2026 had the highest on-time rate: 85.4% of 561 flights. July 2025 was lowest at 62.3% across 560 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 560 | 62.3% | 25.7% | 1.6% |
| August 2025 | 528 | 67.0% | 22.2% | 0.8% |
| September 2025 | 539 | 72.7% | 17.4% | 0.2% |
| October 2025 | 655 | 78.9% | 12.5% | 0.0% |
| November 2025 | 591 | 78.7% | 10.3% | 3.0% |
| December 2025 | 556 | 79.5% | 12.9% | 0.5% |
| January 2026 | 561 | 85.4% | 9.3% | 0.4% |
| February 2026 | 567 | 82.9% | 10.9% | 0.5% |
| March 2026 | 665 | 76.1% | 16.7% | 0.9% |
| April 2026 | 645 | 83.9% | 8.7% | 0.6% |
| May 2026 | 640 | 74.1% | 15.3% | 0.9% |
| June 2026 | 581 | 70.4% | 20.0% | 1.0% |
What drove LAS to DEN delay minutes?
Late aircraft was the largest recorded LAS-to-DEN delay category, accounting for 44.9% of 106,529 BTS-attributed delay minutes during July 2025–June 2026.
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