Which departure time was most reliable for GEG to PHX?
Among qualifying GEG-to-PHX departure window results, Early morning had the highest on-time rate: 91.3% of 584 flights. Evening was lowest at 67.5% across 83 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 584 | 91.3% | 4.3% | 0.3% |
| Late morning | 63 | 88.9% | 1.6% | 1.6% |
| Afternoon | 505 | 77.0% | 13.9% | 0.2% |
| Evening | 83 | 67.5% | 22.9% | 0.0% |
Which weekday was most reliable for GEG to PHX?
Among qualifying GEG-to-PHX weekday results, Saturday had the highest on-time rate: 88.2% of 178 flights. Sunday was lowest at 80.3% across 218 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 174 | 81.0% | 12.1% | 0.6% |
| Tuesday | 147 | 82.3% | 7.5% | 0.0% |
| Wednesday | 146 | 86.3% | 6.2% | 0.7% |
| Thursday | 197 | 83.2% | 8.6% | 0.0% |
| Friday | 175 | 85.7% | 10.3% | 0.0% |
| Saturday | 178 | 88.2% | 5.1% | 0.6% |
| Sunday | 218 | 80.3% | 13.8% | 0.5% |
Which airline was most reliable for GEG to PHX?
Among qualifying GEG-to-PHX airline results, Southwest Airlines had the highest on-time rate: 85.9% of 603 flights. Frontier Airlines was lowest at 62.2% across 45 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 603 | 85.9% | 7.8% | 0.5% |
| American Airlines | 577 | 83.4% | 9.9% | 0.0% |
| Frontier Airlines | 45 | 62.2% | 22.2% | 2.2% |
| Envoy Air | 10 | 70.0% | 10.0% | 0.0% |
Which month was most reliable for GEG to PHX?
Among qualifying GEG-to-PHX month results, September 2025 had the highest on-time rate: 92.2% of 64 flights. January 2026 was lowest at 75.2% across 125 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 90 | 84.4% | 10.0% | 0.0% |
| August 2025 | 75 | 88.0% | 6.7% | 0.0% |
| September 2025 | 64 | 92.2% | 3.1% | 0.0% |
| October 2025 | 78 | 85.9% | 7.7% | 0.0% |
| November 2025 | 99 | 81.8% | 9.1% | 0.0% |
| December 2025 | 109 | 81.7% | 12.8% | 0.0% |
| January 2026 | 125 | 75.2% | 13.6% | 0.8% |
| February 2026 | 114 | 90.4% | 5.3% | 0.0% |
| March 2026 | 131 | 76.3% | 13.0% | 0.8% |
| April 2026 | 122 | 89.3% | 4.9% | 0.8% |
| May 2026 | 118 | 87.3% | 6.8% | 0.8% |
| June 2026 | 110 | 79.1% | 14.5% | 0.0% |
What drove GEG to PHX delay minutes?
Late aircraft was the largest recorded GEG-to-PHX delay category, accounting for 38.6% of 15,364 BTS-attributed delay minutes during July 2025–June 2026.
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