Route · PDX → STS · 2020–2025 BTS data
Portland to Santa Rosa
The PDX–STS corridor (Portland, OR → Santa Rosa, CA) runs ahead of the national average, served by 3 carriers across roughly 489 miles.
Data updated 2026-06-13
- 82.8%
- On-time
- +3.8 pts
- vs US avg
- 59 min
- Delay when late
- 1,266
- Flights
Cancelled
0.8%
Best Month
Sep 2025 90%
Worst Month
Nov 2025 71%
Distance
489 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 44 | 14 | 2 | 5 | OO |
| Nov 2025 | 58 | 17 | 0 | 0 | OO |
| Oct 2025 | 36 | 8 | 0 | 1 | OO |
| Sep 2025 | 60 | 6 | 0 | 2 | OO |
| Aug 2025 | 43 | 8 | 0 | 0 | OO |
| Jul 2025 | 31 | 6 | 0 | 0 | OO |
| Jun 2025 | 41 | 14 | 0 | 0 | OO |
| May 2025 | 62 | 12 | 0 | 0 | OO |
| Apr 2025 | 39 | 15 | 0 | 0 | OO |
| Mar 2025 | 30 | 4 | 0 | 0 | OO |
| Sep 2024 | 30 | 3 | 0 | 0 | OO |
| Apr 2024 | 34 | 6 | 0 | 0 | OO |
| Mar 2024 | 42 | 8 | 0 | 0 | OO |
| Jan 2024 | 31 | 7 | 4 | 0 | OO |
| May 2023 | 31 | 2 | 0 | 0 | OO |
| Oct 2022 | 31 | 4 | 0 | 0 | OO,QX |
| Sep 2022 | 30 | 10 | 0 | 0 | OO,QX |
| Aug 2022 | 31 | 2 | 0 | 0 | OO,QX |
| Jul 2022 | 31 | 3 | 0 | 0 | QX |
| Jun 2022 | 30 | 1 | 0 | 0 | OO,QX |
| May 2022 | 31 | 5 | 0 | 0 | OO,QX |
| Apr 2022 | 30 | 3 | 0 | 0 | QX |
| Mar 2022 | 31 | 6 | 0 | 0 | QX |
| Jan 2022 | 32 | 2 | 1 | 0 | OO,QX |
Cancellation Rate
0.8%
7 of 889 flights
Diversion Rate
0.9%
8 of 889 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PDX - Portland
Full on-time, delay-cause, and seasonal performance for Portland, OR.
Origin airport →STS - Santa Rosa
Full on-time, delay-cause, and seasonal performance for Santa Rosa, CA.
Destination airport →Compare the two airports
See PDX and STS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PDX–STS.
Routes with a similar on-time rate
What the Data Says About PDX to STS
Bureau of Transportation Statistics records show Portland to Santa Rosa (PDX to STS) running a 82.8% on-time rate over 1,266 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 58.7 minutes. The 489-mile corridor is served by 3 carriers, and over the last 24 months 0.8% of 889 flights were cancelled, 0.9% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 90% on-time, while Nov 2025 came in at just 71% - a 19-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.