Which departure time was most reliable for ATL to GEG?
Among qualifying ATL-to-GEG departure window results, Late morning had the highest on-time rate: 83.6% of 365 flights. Evening was lowest at 75.1% across 173 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Late morning | 365 | 83.6% | 7.4% | 1.4% |
| Evening | 173 | 75.1% | 14.5% | 1.2% |
Which weekday was most reliable for ATL to GEG?
Among qualifying ATL-to-GEG weekday results, Wednesday had the highest on-time rate: 84.5% of 71 flights. Thursday was lowest at 77.9% across 86 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 75 | 80.0% | 8.0% | 0.0% |
| Tuesday | 74 | 83.8% | 10.8% | 0.0% |
| Wednesday | 71 | 84.5% | 9.9% | 0.0% |
| Thursday | 86 | 77.9% | 10.5% | 1.2% |
| Friday | 87 | 78.2% | 11.5% | 2.3% |
| Saturday | 56 | 83.9% | 5.4% | 3.6% |
| Sunday | 89 | 79.8% | 10.1% | 2.2% |
Which airline was most reliable for ATL to GEG?
Only Delta Air Lines met the ATL-to-GEG airline threshold: 80.9% of 538 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 538 | 80.9% | 9.7% | 1.3% |
Which month was most reliable for ATL to GEG?
Among qualifying ATL-to-GEG month results, September 2025 had the highest on-time rate: 92.3% of 39 flights. December 2025 was lowest at 61.9% across 42 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 57 | 86.0% | 7.0% | 1.8% |
| August 2025 | 45 | 91.1% | 4.4% | 4.4% |
| September 2025 | 39 | 92.3% | 7.7% | 0.0% |
| October 2025 | 43 | 83.7% | 4.7% | 0.0% |
| November 2025 | 38 | 78.9% | 13.2% | 0.0% |
| December 2025 | 42 | 61.9% | 14.3% | 2.4% |
| January 2026 | 34 | 82.4% | 2.9% | 5.9% |
| February 2026 | 28 | 89.3% | 7.1% | 0.0% |
| March 2026 | 52 | 65.4% | 21.2% | 1.9% |
| April 2026 | 56 | 89.3% | 7.1% | 0.0% |
| May 2026 | 56 | 71.4% | 12.5% | 0.0% |
| June 2026 | 48 | 83.3% | 10.4% | 0.0% |
What drove ATL to GEG delay minutes?
Airline was the largest recorded ATL-to-GEG delay category, accounting for 50.2% of 3,787 BTS-attributed delay minutes during July 2025–June 2026.
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