Historical on-time performance
Santa Rosa to Los Angeles
400 miData through May 2026Source: US DOT · BTS
Flights on STS–LAX arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.8%of scheduled flights
based on 670 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time80%Medianon timep9040 minCancel2.8%Flights670
Why flights run late
Delay causes
- Airline33%
- Weather1%
- Air traffic (NAS)20%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 19 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 → LAX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 87% on time.
- Middays87% on time · p90 15 min · 311 flights
- Mornings82% on time · p90 20 min · 718 flights
- Afternoons78% on time · p90 45 min · 221 flights
- Evenings74% on time · p90 45 min · 670 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 86% on time.
- Saturdays86% on time · p90 20 min · 234 flights
- Tuesdays85% on time · p90 15 min · 217 flights
- Wednesdays83% on time · p90 30 min · 227 flights
- Thursdays81% on time · p90 30 min · 317 flights
- Sundays76% on time · p90 45 min · 322 flights
- Fridays75% on time · p90 55 min · 316 flights
- Mondays74% on time · p90 40 min · 315 flights
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