Santa Rosa (STS) to Palm Springs (PSP): On-Time Performance
Data through May 2026
Santa Rosa (STS) to Palm Springs (PSP) is a thinner route than most in this dataset — 142 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 0.39
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 478 mi
Monthly on-time trend
Best time to fly from STS to PSP
Aim for departures around 2 p.m. (92% on-time); avoid 10 a.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 14 min |
| Wednesdaybest | 100% | 3 min |
| Thursday | 85% | 10 min |
| Friday | 70% | 30 min |
| Saturday | 89% | 14 min |
| Sunday | 86% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations18%
- National airspace system11%
- Weather36%
Frequently asked questions
- How often are flights from STS to PSP delayed?
- 18% of STS–PSP flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- What is the best time of day to fly from STS to PSP?
- Departures around 2 p.m. have the best record (92% on-time), while departures around 10 a.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STS to PSP?
- The scheduled STS–PSP flight time averages 1h 41m over 478 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are STS to PSP flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
Explore related pages
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Based on 142 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.