Which departure time was most reliable for DEN to BIL?
Among qualifying DEN-to-BIL departure window results, Early morning had the highest on-time rate: 86.7% of 362 flights. Evening was lowest at 74.9% across 386 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 362 | 86.7% | 7.7% | 0.8% |
| Late morning | 365 | 77.0% | 15.1% | 0.0% |
| Afternoon | 473 | 75.3% | 14.2% | 1.7% |
| Evening | 386 | 74.9% | 17.6% | 0.0% |
| Night | 196 | 83.2% | 8.7% | 1.0% |
Which weekday was most reliable for DEN to BIL?
Among qualifying DEN-to-BIL weekday results, Wednesday had the highest on-time rate: 82.4% of 255 flights. Sunday was lowest at 75.5% across 257 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 257 | 75.5% | 14.0% | 0.4% |
| Tuesday | 257 | 79.8% | 11.3% | 1.2% |
| Wednesday | 255 | 82.4% | 11.0% | 0.8% |
| Thursday | 255 | 79.6% | 12.2% | 0.8% |
| Friday | 256 | 78.5% | 14.8% | 0.8% |
| Saturday | 245 | 80.0% | 11.4% | 0.8% |
| Sunday | 257 | 75.5% | 17.5% | 0.4% |
Which airline was most reliable for DEN to BIL?
Among qualifying DEN-to-BIL airline results, SkyWest Airlines had the highest on-time rate: 80.3% of 1,052 flights. United Airlines was lowest at 76.4% across 730 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 1,052 | 80.3% | 11.3% | 1.2% |
| United Airlines | 730 | 76.4% | 15.9% | 0.0% |
Which month was most reliable for DEN to BIL?
Among qualifying DEN-to-BIL month results, October 2025 had the highest on-time rate: 91.0% of 155 flights. July 2025 was lowest at 59.6% across 183 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 183 | 59.6% | 26.2% | 1.6% |
| August 2025 | 181 | 69.1% | 23.8% | 0.6% |
| September 2025 | 167 | 83.8% | 11.4% | 0.0% |
| October 2025 | 155 | 91.0% | 3.9% | 0.0% |
| November 2025 | 146 | 85.6% | 6.2% | 2.7% |
| December 2025 | 124 | 78.2% | 12.1% | 1.6% |
| January 2026 | 124 | 80.6% | 11.3% | 0.8% |
| February 2026 | 111 | 80.2% | 9.9% | 0.9% |
| March 2026 | 124 | 72.6% | 16.1% | 0.8% |
| April 2026 | 128 | 89.8% | 4.7% | 0.0% |
| May 2026 | 163 | 84.0% | 11.7% | 0.0% |
| June 2026 | 176 | 76.7% | 14.2% | 0.0% |
What drove DEN to BIL delay minutes?
Late aircraft was the largest recorded DEN-to-BIL delay category, accounting for 45.6% of 20,146 BTS-attributed delay minutes during July 2025–June 2026.
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