STS to SNA flight delays & on-time performance
Nonstop flights from Charles M. Schulz Sonoma County Airport to John Wayne Orange County International Airport · 433 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at STS or SNA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Santa Rosa (STS) to Santa Ana (SNA) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 9% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 2pm did best (86% on time); around 1pm did worst (67%).
- Wednesday was the most reliable day to fly (90% on time) and Friday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from STS to SNA?
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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 80% | 0.8% | 16 min | 8.9% | 745 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am77%52 flights
- 9am75%181 flights
- 10am73%22 flights
- 11am82%110 flights
- 1pm67%30 flights
- 2pm86%149 flights
- 3pm75%56 flights
- 4pm84%90 flights
- 5pm86%49 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%0.0% cancelled
- Tuesday83%3.0% cancelled
- Wednesday90%1.0% cancelled
- Thursday83%0.9% cancelled
- Friday69%0.9% cancelled
- Saturday81%0.0% cancelled
- Sunday84%0.0% 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 aircraft41%
- Airline (crew, maintenance, cleaning, fueling)25%
- Extreme weather22%
- Air traffic control & airport congestion11%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion17%
- Security0%
STS to SNA: common questions
- How often are STS to SNA flights on time?
- 80% 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 Santa Rosa to Santa Ana cancelled?
- 0.8% of scheduled flights were cancelled (6 of 745).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 77 min behind schedule on average, and 8.9% of flights were an hour or more late.
- How long is taxi time at STS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SNA to STS — 81% on time
More flights from Santa Rosa
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: STS → SNA, nonstop flights by US airlines that report to the DOT. How we calculate this.