STS to PSP flight delays & on-time performance
Nonstop flights from Charles M. Schulz Sonoma County Airport to Palm Springs International Airport · 478 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at STS or PSP 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 Palm Springs (PSP) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2.1% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 2pm did best (92% on time); around 10am did worst (77%).
- Saturday was the most reliable day to fly (89% on time) and Friday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (36%).
Which airline is most on time from STS to PSP?
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. | 82% | 2.1% | 15 min | 10.1% | 142 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am77%33 flights
- 11am33%10 flights
- 2pm92%65 flights
- 3pm79%34 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday85%0.0% cancelled
- Friday70%3.6% cancelled
- Saturday89%3.6% cancelled
- Sunday86%3.4% 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 aircraft36%
- Extreme weather36%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion11%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion67%
- Extreme weather33%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
STS to PSP: common questions
- How often are STS to PSP flights on time?
- 82% 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 Palm Springs cancelled?
- 2.1% of scheduled flights were cancelled (3 of 142).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 77 min behind schedule on average, and 10.1% of flights were an hour or more late.
- How long is taxi time at STS?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PSP to STS — 77% 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 → PSP, nonstop flights by US airlines that report to the DOT. How we calculate this.