Santa Ana (SNA) to Santa Rosa (STS): On-Time Performance
Data through May 2026
When you fly SNA to STS matters as much as anything else about the booking: the route swung from 90% on-time in January 2026 to just 53% in July 2025. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 2.0
- last 12 months
- Duration
- 1h 45m
- scheduled
- Distance
- 433 mi
Monthly on-time trend
Best time to fly from SNA to STS
Aim for departures around 11 a.m. (82% on-time); avoid 12 p.m. departures (74%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 13 min |
| Tuesdaybest | 85% | 9 min |
| Wednesday | 80% | 13 min |
| Thursday | 77% | 17 min |
| Friday | 70% | 23 min |
| Saturday | 80% | 12 min |
| Sunday | 77% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft47%
- Airline operations24%
- National airspace system20%
- Weather9%
Frequently asked questions
- How often are flights from SNA to STS delayed?
- 22% of SNA–STS 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 SNA to STS?
- Departures around 11 a.m. have the best record (82% on-time), while departures around 12 p.m. have the worst (74%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SNA to STS?
- The scheduled SNA–STS flight time averages 1h 45m over 433 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are SNA to STS flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SNA to STS?
- July 2025 was the roughest month in this dataset, with only 53% of arrivals on time. The best was January 2026 at 90%. If your dates are flexible, that 36-point gap is worth planning around.
Explore related pages
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Based on 1,413 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.