Historical on-time performance
San Francisco to Arcata CA
250 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–ACV arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,257 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time78%Medianon timep9035 minCancel1.5%Flights1,257
Why flights run late
Delay causes
- Airline23%
- Weather30%
- Air traffic (NAS)22%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Weather.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → ACV
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 73% to 81% on time.
- Mornings81% on time · p90 30 min · 321 flights
- Evenings81% on time · p90 45 min · 297 flights
- Afternoons78% on time · p90 50 min · 696 flights
- Overnights74% on time · p90 40 min · 658 flights
- Middays73% on time · p90 60 min · 1,336 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 79% on time.
- Tuesdays79% on time · p90 45 min · 460 flights
- Saturdays77% on time · p90 45 min · 450 flights
- Wednesdays77% on time · p90 40 min · 479 flights
- Mondays76% on time · p90 40 min · 484 flights
- Thursdays74% on time · p90 60 min · 479 flights
- Fridays74% on time · p90 50 min · 475 flights
- Sundays73% on time · p90 65 min · 481 flights
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