Which departure time was most reliable for KOA to SFO?
Among qualifying KOA-to-SFO departure window results, Early morning had the highest on-time rate: 100.0% of 42 flights. Late morning was lowest at 75.6% across 41 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 42 | 100.0% | 0.0% | 0.0% |
| Late morning | 41 | 75.6% | 17.1% | 0.0% |
| Afternoon | 657 | 77.6% | 12.3% | 1.1% |
| Evening | 41 | 80.5% | 17.1% | 0.0% |
| Night | 298 | 91.6% | 3.7% | 1.0% |
Which weekday was most reliable for KOA to SFO?
Among qualifying KOA-to-SFO weekday results, Friday had the highest on-time rate: 85.3% of 136 flights. Thursday was lowest at 77.1% across 166 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 135 | 85.2% | 7.4% | 0.7% |
| Tuesday | 156 | 83.3% | 12.2% | 0.6% |
| Wednesday | 114 | 85.1% | 8.8% | 0.0% |
| Thursday | 166 | 77.1% | 12.0% | 0.6% |
| Friday | 136 | 85.3% | 8.8% | 0.0% |
| Saturday | 195 | 79.5% | 10.3% | 3.1% |
| Sunday | 177 | 83.6% | 8.5% | 0.6% |
Which airline was most reliable for KOA to SFO?
Among qualifying KOA-to-SFO airline results, United Airlines had the highest on-time rate: 85.2% of 861 flights. Alaska Airlines was lowest at 71.1% across 218 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| United Airlines | 861 | 85.2% | 7.4% | 1.0% |
| Alaska Airlines | 218 | 71.1% | 19.3% | 0.5% |
Which month was most reliable for KOA to SFO?
Among qualifying KOA-to-SFO month results, September 2025 had the highest on-time rate: 93.5% of 77 flights. October 2025 was lowest at 70.1% across 67 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 84 | 86.9% | 11.9% | 0.0% |
| August 2025 | 83 | 81.9% | 12.0% | 0.0% |
| September 2025 | 77 | 93.5% | 6.5% | 0.0% |
| October 2025 | 67 | 70.1% | 22.4% | 1.5% |
| November 2025 | 62 | 83.9% | 9.7% | 0.0% |
| December 2025 | 91 | 83.5% | 9.9% | 1.1% |
| January 2026 | 89 | 82.0% | 10.1% | 0.0% |
| February 2026 | 79 | 82.3% | 8.9% | 1.3% |
| March 2026 | 100 | 75.0% | 11.0% | 5.0% |
| April 2026 | 97 | 85.6% | 6.2% | 0.0% |
| May 2026 | 104 | 76.9% | 6.7% | 1.9% |
| June 2026 | 146 | 85.6% | 7.5% | 0.0% |
What drove KOA to SFO delay minutes?
Late aircraft was the largest recorded KOA-to-SFO delay category, accounting for 47.4% of 11,464 BTS-attributed delay minutes during July 2025–June 2026.
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