Route · STS → SNA · 2020–2025 BTS data
Santa Rosa to Santa Ana
The STS–SNA corridor (Santa Rosa, CA → Santa Ana, CA) runs ahead of the national average, served by 3 carriers across roughly 433 miles.
Data updated 2026-06-13
- 79.6%
- On-time
- +0.6 pts
- vs US avg
- 66 min
- Delay when late
- 2,615
- Flights
Cancelled
0.5%
Best Month
Feb 2024 88%
Worst Month
Dec 2024 62%
Distance
433 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 93 | 34 | 4 | 0 | OO |
| Nov 2025 | 69 | 19 | 0 | 0 | OO |
| Oct 2025 | 62 | 12 | 0 | 0 | OO |
| Sep 2025 | 60 | 13 | 0 | 0 | OO |
| Aug 2025 | 62 | 14 | 1 | 0 | OO |
| Jul 2025 | 62 | 23 | 0 | 0 | OO |
| Jun 2025 | 60 | 14 | 0 | 0 | OO |
| May 2025 | 62 | 14 | 0 | 1 | OO |
| Apr 2025 | 60 | 18 | 0 | 0 | OO |
| Mar 2025 | 54 | 11 | 0 | 0 | OO |
| Feb 2025 | 44 | 17 | 1 | 0 | OO |
| Jan 2025 | 51 | 12 | 0 | 0 | OO |
| Dec 2024 | 53 | 20 | 0 | 0 | OO |
| Nov 2024 | 59 | 9 | 1 | 0 | OO |
| Oct 2024 | 62 | 16 | 0 | 0 | OO |
| Sep 2024 | 60 | 15 | 0 | 0 | OO |
| Aug 2024 | 58 | 8 | 0 | 0 | OO |
| Jul 2024 | 52 | 10 | 0 | 0 | OO |
| Jun 2024 | 52 | 11 | 0 | 0 | OO |
| May 2024 | 42 | 4 | 0 | 0 | OO |
| Apr 2024 | 45 | 11 | 0 | 0 | OO |
| Mar 2024 | 62 | 13 | 0 | 0 | OO |
| Feb 2024 | 52 | 6 | 0 | 0 | OO |
| Jan 2024 | 44 | 5 | 0 | 0 | OO |
Cancellation Rate
0.5%
7 of 1,380 flights
Diversion Rate
0.1%
1 of 1,380 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
STS - Santa Rosa
Full on-time, delay-cause, and seasonal performance for Santa Rosa, CA.
Origin airport →SNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
Destination airport →Compare the two airports
See STS and SNA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to STS–SNA.
Routes with a similar on-time rate
What the Data Says About STS to SNA
2,615 tracked flights put the STS to SNA pairing (Santa Rosa to Santa Ana) at a 79.6% on-time rate, squarely in line with the wider network. Delays that do occur run 65.7 minutes on average. Across the 433-mile route and its 3 carriers, the trailing 24 months show 0.5% cancelled and 0.1% diverted (1,380 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 88% on-time, while Dec 2024 came in at just 62% - a 26-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from STS to SNA? ▼
What is the cancellation rate for STS to SNA? ▼
How far is the flight from STS to SNA? ▼
When is the best time to fly from STS to SNA? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.