Best Time to Fly SFO to ACV: On-Time Stats by Hour & Airline
San Francisco International → California Redwood Coast Humboldt County
Data through July 2026 · Last updated October 18, 2026
1,294 flights were scheduled from San Francisco (SFO) to Arcata/Eureka (ACV) in the last 12 months, and 74.0% of those that flew arrived on time, 3.7 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
March has been the best month (85% on time) and Sunday the weakest day of the week (71%).
2.7% of flights were cancelled, versus 1.8% nationally.
SFO to ACV on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 74.0% | 92 min | 2.7% | 1,294 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFO to ACV
On-time arrival % by scheduled departure hour (local time), 2,494 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 84.1% | 0.5% | 370 |
| 10am–11am | 65.9% | 0.3% | 352 |
| 11am–12pm | Limited data | 7 | |
| 1pm–2pm | 76.6% | 2.9% | 383 |
| 2pm–3pm | 85.4% | 0.7% | 138 |
| 4pm–5pm | 76.2% | 3.9% | 485 |
| 6pm–7pm | 87.1% | 3.1% | 32 |
| 7pm–8pm | 92.1% | 2.6% | 39 |
| 8pm–9pm | 76.6% | 1.6% | 318 |
| 9pm–10pm | 80.6% | 3.5% | 319 |
| 10pm–11pm | 43.5% | 7.8% | 51 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFO to ACV
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 75.0% | -3.5 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.8% | -1.7 pts | 5.0% | 101 |
| Summer peak (Jun 15 - Aug 15) | 69.6% | -8.9 pts | 2.2% | 452 |
| All other days | 78.5% | — | 2.2% | 1,889 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).