Historical on-time performance
Santa Rosa to San Diego
Flights on STS–SAN arrive on time 74% of the time over the last 12 months.
based on 902 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Southwest AirlinesOn-time85%Medianon timep9025 minCancel0.0%Flights85
- SkyWest AirlinesOn-time73%Medianon timep9045 minCancel2.8%Flights817
Why flights run late
Delay causes
- Airline28%
- Weather6%
- Air traffic (NAS)26%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline4%
- Weather65%
- Air traffic (NAS)30%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 23 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly STS → SAN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 83% on time.
- Mornings83% on time · p90 20 min · 903 flights
- Middays76% on time · p90 40 min · 332 flights
- Afternoons75% on time · p90 50 min · 310 flights
- Evenings57% on time · p90 55 min · 651 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 80% on time.
- Wednesdays80% on time · p90 30 min · 283 flights
- Saturdays79% on time · p90 30 min · 287 flights
- Tuesdays76% on time · p90 30 min · 272 flights
- Sundays73% on time · p90 45 min · 351 flights
- Thursdays72% on time · p90 45 min · 354 flights
- Mondays70% on time · p90 45 min · 356 flights
- Fridays68% on time · p90 50 min · 361 flights
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