Which departure time was most reliable for DEN to GEG?
Among qualifying DEN-to-GEG departure window results, Early morning had the highest on-time rate: 86.4% of 360 flights. Night was lowest at 53.3% across 199 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 360 | 86.4% | 6.7% | 0.0% |
| Late morning | 491 | 81.9% | 7.3% | 0.0% |
| Afternoon | 483 | 78.9% | 12.0% | 1.0% |
| Evening | 529 | 64.7% | 24.6% | 0.2% |
| Night | 199 | 53.3% | 32.2% | 0.5% |
Which weekday was most reliable for DEN to GEG?
Among qualifying DEN-to-GEG weekday results, Tuesday had the highest on-time rate: 78.9% of 284 flights. Friday was lowest at 70.3% across 293 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 285 | 74.0% | 15.8% | 0.0% |
| Tuesday | 284 | 78.9% | 14.1% | 0.4% |
| Wednesday | 272 | 75.0% | 14.0% | 0.7% |
| Thursday | 313 | 73.2% | 15.7% | 1.0% |
| Friday | 293 | 70.3% | 19.1% | 0.3% |
| Saturday | 285 | 77.2% | 12.3% | 0.0% |
| Sunday | 330 | 75.2% | 14.8% | 0.0% |
Which airline was most reliable for DEN to GEG?
Among qualifying DEN-to-GEG airline results, SkyWest Airlines had the highest on-time rate: 89.2% of 250 flights. Southwest Airlines was lowest at 69.8% across 857 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 857 | 69.8% | 18.7% | 0.4% |
| United Airlines | 833 | 73.9% | 15.6% | 0.2% |
| SkyWest Airlines | 250 | 89.2% | 5.6% | 0.8% |
| Frontier Airlines | 122 | 86.1% | 6.6% | 0.0% |
Which month was most reliable for DEN to GEG?
Among qualifying DEN-to-GEG month results, April 2026 had the highest on-time rate: 87.9% of 165 flights. July 2025 was lowest at 59.6% across 198 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 198 | 59.6% | 26.3% | 1.0% |
| August 2025 | 187 | 72.7% | 15.0% | 0.5% |
| September 2025 | 183 | 86.3% | 9.3% | 0.0% |
| October 2025 | 164 | 79.9% | 11.0% | 0.0% |
| November 2025 | 161 | 82.6% | 10.6% | 0.6% |
| December 2025 | 175 | 68.6% | 18.3% | 0.0% |
| January 2026 | 165 | 82.4% | 9.1% | 0.0% |
| February 2026 | 148 | 77.0% | 12.2% | 0.7% |
| March 2026 | 154 | 67.5% | 20.8% | 0.6% |
| April 2026 | 165 | 87.9% | 6.7% | 0.0% |
| May 2026 | 173 | 72.3% | 15.0% | 0.0% |
| June 2026 | 189 | 64.6% | 24.3% | 0.5% |
What drove DEN to GEG delay minutes?
Late aircraft was the largest recorded DEN-to-GEG delay category, accounting for 52.1% of 25,367 BTS-attributed delay minutes during July 2025–June 2026.
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