Which departure time was most reliable for BOI to OAK?
Among qualifying BOI-to-OAK departure window results, Late morning had the highest on-time rate: 95.0% of 262 flights. Afternoon was lowest at 69.4% across 72 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Late morning | 262 | 95.0% | 3.1% | 0.0% |
| Afternoon | 72 | 69.4% | 16.7% | 0.0% |
| Evening | 212 | 76.9% | 13.7% | 0.5% |
Which weekday was most reliable for BOI to OAK?
Among qualifying BOI-to-OAK weekday results, Saturday had the highest on-time rate: 95.4% of 65 flights. Sunday was lowest at 76.9% across 78 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 87 | 80.5% | 14.9% | 0.0% |
| Tuesday | 89 | 89.9% | 5.6% | 0.0% |
| Wednesday | 87 | 87.4% | 5.7% | 1.1% |
| Thursday | 86 | 82.6% | 9.3% | 0.0% |
| Friday | 85 | 83.5% | 12.9% | 0.0% |
| Saturday | 65 | 95.4% | 3.1% | 0.0% |
| Sunday | 78 | 76.9% | 10.3% | 0.0% |
Which airline was most reliable for BOI to OAK?
Only Southwest Airlines met the BOI-to-OAK airline threshold: 84.9% of 577 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 577 | 84.9% | 9.0% | 0.2% |
Which month was most reliable for BOI to OAK?
Among qualifying BOI-to-OAK month results, August 2025 had the highest on-time rate: 96.2% of 52 flights. June 2026 was lowest at 56.7% across 30 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 53 | 83.0% | 13.2% | 1.9% |
| August 2025 | 52 | 96.2% | 1.9% | 0.0% |
| September 2025 | 52 | 92.3% | 5.8% | 0.0% |
| October 2025 | 53 | 81.1% | 11.3% | 0.0% |
| November 2025 | 59 | 84.7% | 8.5% | 0.0% |
| December 2025 | 62 | 85.5% | 9.7% | 0.0% |
| January 2026 | 59 | 89.8% | 5.1% | 0.0% |
| February 2026 | 55 | 87.3% | 7.3% | 0.0% |
| March 2026 | 34 | 85.3% | 5.9% | 0.0% |
| April 2026 | 33 | 84.8% | 6.1% | 0.0% |
| May 2026 | 35 | 77.1% | 14.3% | 0.0% |
| June 2026 | 30 | 56.7% | 26.7% | 0.0% |
What drove BOI to OAK delay minutes?
Late aircraft was the largest recorded BOI-to-OAK delay category, accounting for 69.2% of 4,824 BTS-attributed delay minutes during July 2025–June 2026.
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