Historical on-time performance
San Diego to Santa Rosa
508 miData through Dec 2025Source: US DOT · BTS
Flights on SAN–STS arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled3.8%of scheduled flights
based on 771 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time71%Medianon timep9040 minCancel3.8%Flights771
Why flights run late
Delay causes
- Airline22%
- Weather15%
- Air traffic (NAS)28%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SAN → STS
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 69% to 79% on time.
- Mornings79% on time · p90 30 min · 891 flights
- Afternoons78% on time · p90 25 min · 292 flights
- Middays72% on time · p90 50 min · 159 flights · limited
- Evenings70% on time · p90 45 min · 117 flights · limited
- Overnights69% on time · p90 45 min · 594 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 63% to 81% on time.
- Saturdays81% on time · p90 25 min · 264 flights
- Tuesdays81% on time · p90 20 min · 253 flights
- Wednesdays80% on time · p90 30 min · 265 flights
- Thursdays77% on time · p90 30 min · 314 flights
- Mondays73% on time · p90 35 min · 320 flights
- Sundays71% on time · p90 40 min · 317 flights
- Fridays63% on time · p90 55 min · 320 flights
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