Route · SNA → STS · 2020–2025 BTS data
Santa Ana to Santa Rosa
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SNA to STS (Santa Ana to Santa Rosa) ranks #3473 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 64 min
- Delay when late
- 2,615
- Flights
- #3473 of 4927
- Corpus placement
Cancelled
0.5%
Best Month
Mar 2025 87%
Worst Month
Jul 2025 53%
Distance
433 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 93 | 22 | 1 | 3 | OO |
| Nov 2025 | 69 | 13 | 1 | 0 | OO |
| Oct 2025 | 62 | 10 | 0 | 0 | OO |
| Sep 2025 | 60 | 13 | 0 | 1 | OO |
| Aug 2025 | 62 | 10 | 1 | 0 | OO |
| Jul 2025 | 62 | 29 | 0 | 0 | OO |
| Jun 2025 | 60 | 18 | 0 | 0 | OO |
| May 2025 | 62 | 16 | 0 | 0 | OO |
| Apr 2025 | 60 | 16 | 0 | 0 | OO |
| Mar 2025 | 54 | 7 | 0 | 0 | OO |
| Feb 2025 | 44 | 9 | 2 | 1 | OO |
| Jan 2025 | 51 | 8 | 1 | 0 | OO |
| Dec 2024 | 53 | 13 | 0 | 0 | OO |
| Nov 2024 | 59 | 11 | 1 | 0 | OO |
| Oct 2024 | 62 | 14 | 0 | 0 | OO |
| Sep 2024 | 60 | 18 | 0 | 0 | OO |
| Aug 2024 | 58 | 9 | 0 | 0 | OO |
| Jul 2024 | 52 | 9 | 0 | 0 | OO |
| Jun 2024 | 52 | 13 | 0 | 0 | OO |
| May 2024 | 42 | 2 | 0 | 0 | OO |
| Apr 2024 | 45 | 13 | 0 | 0 | OO |
| Mar 2024 | 62 | 17 | 0 | 0 | OO |
| Feb 2024 | 52 | 7 | 0 | 1 | OO |
| Jan 2024 | 44 | 4 | 0 | 0 | OO |
SNA–STS seasonal on-time pattern
Best: May (85.8%) · weakest: July (73.2%)
Strongest calendar month
May
85.8% on-time · ~42 flights/mo
Busiest calendar month
October
~55 flights/mo avg
Weakest calendar month
July
73.2% on-time · ~45 flights/mo
Cancellation Rate
0.5%
7 of 1,380 flights
Diversion Rate
0.4%
6 of 1,380 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SNA - Santa Ana
Full on-time, delay-cause, and seasonal performance for Santa Ana, CA.
SNA on-time profileSTS - Santa Rosa
Full on-time, delay-cause, and seasonal performance for Santa Rosa, CA.
STS on-time profileCompare the two airports
See SNA and STS side by side on delays, cancellations, and reliability.
Compare SNA vs STSOrigin-hub reliability standing
Mid-pack among SNA departures
From SNA, this corridor sits with 12 other 75–85% on-time routes out of 24 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 4 below 75%). Destination: Santa Rosa · fleet on-time rank #2953 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SNA–STS.
Routes with a similar on-time rate
What the Data Says About SNA to STS
2,615 tracked flights put the SNA to STS pairing (Santa Ana to Santa Rosa) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 63.8 minutes on average. Across the 433-mile route and its 3 carriers, the trailing 24 months show 0.5% cancelled and 0.4% diverted (1,380 flights sampled).
The monthly split is wide on this route: Mar 2025 posted the strongest performance at 87% on-time, while Jul 2025 came in at just 53% - a 34-point swing worth factoring into travel timing.
On the multi-year calendar, SNA–STS peaks in May at 85.8% on-time while October carries the heaviest traffic (~55 flights per month) ; the softest month is July at 73.2%, a 12.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SNA to STS rank among US routes by traffic? ▼
How often are flights delayed from SNA to STS? ▼
What is the cancellation rate for SNA to STS? ▼
How far is the flight from SNA to STS? ▼
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Airports on this route
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.
Using SNA–STS data
SNA–STS is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.
- Compare SNA and STS airport profiles: delay causes and top routes differ even on the same corridor. SNA airport
- If your dates flex, May (85.8% on-time) beats July (73.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 80.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.