FlightRecord

San Francisco (SFO) to Arcata/Eureka (ACV): On-Time Performance

Data through May 2026

San Francisco (SFO) to Arcata/Eureka (ACV) effectively runs on two schedules. In February 2025, 91% of arrivals were on time; in February 2026 that fell to 64% — a 27-point seasonal swing. Across the full period the route averages 78% on-time against a national 78%.

On-time
78%
arrived <15 min late
Avg delay
20 min
completed flights
Cancelled
1.9%
Flights/day
3.5
last 12 months
Duration
1h 22m
scheduled
Distance
250 mi

Monthly on-time trend

Monthly on-time percentage for SFO to ACV flights50%75%100%June 2024: 81% on-time (57 flights)81Jun 2024July 2024: 80% on-time (84 flights)80August 2024: 67% on-time (86 flights)67September 2024: 68% on-time (95 flights)68Sep 2024October 2024: 80% on-time (124 flights)80November 2024: 68% on-time (118 flights)68December 2024: 86% on-time (93 flights)86Dec 2024January 2025: 87% on-time (89 flights)87February 2025: 91% on-time (80 flights)91March 2025: 81% on-time (88 flights)81Mar 2025April 2025: 88% on-time (90 flights)88May 2025: 82% on-time (111 flights)82June 2025: 73% on-time (112 flights)73Jun 2025July 2025: 78% on-time (114 flights)78August 2025: 70% on-time (119 flights)70September 2025: 79% on-time (97 flights)79Sep 2025October 2025: 77% on-time (122 flights)77November 2025: 77% on-time (118 flights)77December 2025: 72% on-time (117 flights)72Dec 2025January 2026: 79% on-time (98 flights)79February 2026: 64% on-time (81 flights)64March 2026: 91% on-time (86 flights)91Mar 2026April 2026: 78% on-time (111 flights)78May 2026: 72% on-time (114 flights)72

Best time to fly from SFO to ACV

Aim for departures around 7 p.m. (92% on-time); avoid 10 a.m. departures (70%).

On-time percentage by scheduled departure hour, SFO to ACV9 a.m.: 82% on-time (370 flights)910 a.m.: 70% on-time (348 flights)101 p.m.: 75% on-time (379 flights)132 p.m.: 85% on-time (138 flights)144 p.m.: 79% on-time (486 flights)167 p.m.: 92% on-time (39 flights)198 p.m.: 75% on-time (333 flights)209 p.m.: 79% on-time (274 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%20 min
Tuesdaybest83%17 min
Wednesday79%15 min
Thursday79%24 min
Friday77%20 min
Saturday77%17 min
Sunday73%27 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft23%
  • Airline operations28%
  • National airspace system21%
  • Weather28%

Frequently asked questions

How often are flights from SFO to ACV delayed?
23% of SFO–ACV flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 20 minutes.
What is the best time of day to fly from SFO to ACV?
Departures around 7 p.m. have the best record (92% on-time), while departures around 10 a.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SFO to ACV?
The scheduled SFO–ACV flight time averages 1h 22m over 250 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
How often are SFO to ACV flights cancelled?
1.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
What is the worst month to fly from SFO to ACV?
February 2026 was the roughest month in this dataset, with only 64% of arrivals on time. The best was February 2025 at 91%. If your dates are flexible, that 27-point gap is worth planning around.

Based on 2,404 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.