Historical on-time performance
Seattle to Santa Rosa
Flights on SEA–STS arrive on time 79% of the time over the last 12 months.
based on 348 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.
- Alaska AirlinesOn-time84%Medianon timep9025 minCancel0.3%Flights287
- SkyWest AirlinesOn-time56%Median5 minp9070 minCancel0.0%Flights61
Why flights run late
Delay causes
- Airline38%
- Weather1%
- Air traffic (NAS)20%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 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 SEA → STS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 77% to 78% on time.
- Middays78% on time · p90 35 min · 758 flights
- Mornings78% on time · p90 25 min · 105 flights · limited
- Afternoons77% on time · p90 30 min · 203 flights
- Evenings77% on time · p90 40 min · 293 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 84% on time.
- Tuesdays84% on time · p90 30 min · 183 flights · limited
- Saturdays82% on time · p90 25 min · 177 flights · limited
- Mondays78% on time · p90 30 min · 210 flights
- Wednesdays77% on time · p90 35 min · 183 flights · limited
- Thursdays76% on time · p90 45 min · 207 flights
- Sundays75% on time · p90 40 min · 212 flights
- Fridays73% on time · p90 40 min · 208 flights
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