Which departure time was most reliable for GUC to DEN?
Among qualifying GUC-to-DEN departure window results, Early morning had the highest on-time rate: 83.0% of 365 flights. Afternoon was lowest at 77.6% across 630 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 365 | 83.0% | 13.4% | 1.1% |
| Afternoon | 630 | 77.6% | 15.1% | 0.8% |
Which weekday was most reliable for GUC to DEN?
Among qualifying GUC-to-DEN weekday results, Wednesday had the highest on-time rate: 83.7% of 141 flights. Saturday was lowest at 72.0% across 143 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 141 | 76.6% | 17.7% | 0.7% |
| Tuesday | 144 | 81.9% | 13.2% | 0.0% |
| Wednesday | 141 | 83.7% | 12.8% | 0.0% |
| Thursday | 141 | 81.6% | 13.5% | 0.7% |
| Friday | 143 | 79.0% | 17.5% | 0.7% |
| Saturday | 143 | 72.0% | 18.2% | 2.1% |
| Sunday | 142 | 82.4% | 8.5% | 2.1% |
Which airline was most reliable for GUC to DEN?
Only SkyWest Airlines met the GUC-to-DEN airline threshold: 79.6% of 995 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 995 | 79.6% | 14.5% | 0.9% |
Which month was most reliable for GUC to DEN?
Among qualifying GUC-to-DEN month results, April 2026 had the highest on-time rate: 95.4% of 65 flights. July 2025 was lowest at 55.9% across 93 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 93 | 55.9% | 35.5% | 1.1% |
| August 2025 | 93 | 65.6% | 26.9% | 0.0% |
| September 2025 | 90 | 80.0% | 12.2% | 0.0% |
| October 2025 | 87 | 80.5% | 12.6% | 0.0% |
| November 2025 | 59 | 91.5% | 5.1% | 1.7% |
| December 2025 | 75 | 77.3% | 16.0% | 0.0% |
| January 2026 | 93 | 87.1% | 9.7% | 1.1% |
| February 2026 | 84 | 78.6% | 14.3% | 0.0% |
| March 2026 | 93 | 88.2% | 5.4% | 5.4% |
| April 2026 | 65 | 95.4% | 1.5% | 0.0% |
| May 2026 | 73 | 86.3% | 8.2% | 0.0% |
| June 2026 | 90 | 78.9% | 17.8% | 1.1% |
What drove GUC to DEN delay minutes?
Airline was the largest recorded GUC-to-DEN delay category, accounting for 41.9% of 16,276 BTS-attributed delay minutes during July 2025–June 2026.
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