Which departure time was most reliable for GEG to DEN?
Among qualifying GEG-to-DEN departure window results, Early morning had the highest on-time rate: 96.3% of 724 flights. Evening was lowest at 68.3% across 63 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 724 | 96.3% | 2.1% | 0.0% |
| Late morning | 191 | 84.8% | 8.9% | 0.0% |
| Afternoon | 1,083 | 75.1% | 16.3% | 0.3% |
| Evening | 63 | 68.3% | 22.2% | 3.2% |
Which weekday was most reliable for GEG to DEN?
Among qualifying GEG-to-DEN weekday results, Sunday had the highest on-time rate: 89.7% of 330 flights. Friday was lowest at 78.8% across 293 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 285 | 80.7% | 13.3% | 0.4% |
| Tuesday | 284 | 81.3% | 12.3% | 0.4% |
| Wednesday | 272 | 83.1% | 11.8% | 0.7% |
| Thursday | 313 | 78.9% | 12.5% | 0.3% |
| Friday | 293 | 78.8% | 12.3% | 0.0% |
| Saturday | 286 | 89.2% | 8.7% | 0.0% |
| Sunday | 330 | 89.7% | 5.8% | 0.0% |
Which airline was most reliable for GEG to DEN?
Among qualifying GEG-to-DEN airline results, SkyWest Airlines had the highest on-time rate: 86.0% of 250 flights. Frontier Airlines was lowest at 77.0% across 122 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 858 | 81.8% | 11.8% | 0.0% |
| United Airlines | 833 | 84.6% | 10.6% | 0.4% |
| SkyWest Airlines | 250 | 86.0% | 8.4% | 0.8% |
| Frontier Airlines | 122 | 77.0% | 11.5% | 0.0% |
Which month was most reliable for GEG to DEN?
Among qualifying GEG-to-DEN month results, November 2025 had the highest on-time rate: 91.4% of 162 flights. July 2025 was lowest at 70.7% across 198 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 198 | 70.7% | 22.7% | 0.5% |
| August 2025 | 188 | 76.1% | 15.4% | 0.5% |
| September 2025 | 183 | 83.1% | 11.5% | 0.0% |
| October 2025 | 164 | 86.6% | 8.5% | 0.0% |
| November 2025 | 162 | 91.4% | 4.9% | 0.6% |
| December 2025 | 174 | 82.2% | 10.9% | 0.0% |
| January 2026 | 165 | 90.3% | 5.5% | 0.0% |
| February 2026 | 148 | 90.5% | 5.4% | 0.7% |
| March 2026 | 154 | 82.5% | 11.0% | 0.0% |
| April 2026 | 165 | 89.7% | 4.2% | 0.0% |
| May 2026 | 173 | 83.2% | 8.7% | 0.0% |
| June 2026 | 189 | 77.2% | 16.9% | 0.5% |
What drove GEG to DEN delay minutes?
Late aircraft was the largest recorded GEG-to-DEN delay category, accounting for 34.4% of 22,518 BTS-attributed delay minutes during July 2025–June 2026.
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