LAX to STS flight delays & on-time performance
Nonstop flights from Los Angeles International Airport to Charles M. Schulz Sonoma County Airport · 399 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAX or STS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Los Angeles (LAX) to Santa Rosa (STS) arrived on time 89% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.3% were cancelled, and 4% arrived an hour or more late.
- Departures scheduled around 9am did best (93% on time); around 8am did worst (85%).
- Wednesday was the most reliable day to fly (93% on time) and Sunday the least (87%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from LAX to STS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Alaska Airlines | 93% | 0.0% | 9 min | 3.7% | 27 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 89% | 2.4% | 8 min | 4.4% | 701 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am85%162 flights
- 9am93%160 flights
- 10am91%22 flights
- 2pm87%52 flights
- 3pm77%13 flights
- 5pm91%118 flights
- 6pm100%11 flights
- 7pm88%16 flights
- 8pm90%10 flights
- 9pm85%39 flights
- 10pm89%124 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday89%2.5% cancelled
- Tuesday88%1.3% cancelled
- Wednesday93%1.1% cancelled
- Thursday89%1.7% cancelled
- Friday87%4.1% cancelled
- Saturday91%2.5% cancelled
- Sunday87%2.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather13%
- Air traffic control & airport congestion11%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
LAX to STS: common questions
- How often are LAX to STS flights on time?
- 89% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Los Angeles to Santa Rosa cancelled?
- 2.3% of scheduled flights were cancelled (17 of 728).
- How long are typical delays?
- Across all flights the average arrival delay was 8 min (early arrivals count as zero). Flights that were late arrived 65 min behind schedule on average, and 4.4% of flights were an hour or more late.
- How long is taxi time at LAX?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: STS to LAX — 85% on time
More flights from Los Angeles
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAX → STS, nonstop flights by US airlines that report to the DOT. How we calculate this.