Route · PHX → STS · 2020–2025 BTS data
Phoenix to Santa Rosa
The PHX–STS corridor (Phoenix, AZ → Santa Rosa, CA) runs ahead of the national average, served by 10 carriers across roughly 699 miles.
Data updated 2026-06-13
- 85.1%
- On-time
- +6.1 pts
- vs US avg
- 64 min
- Delay when late
- 2,725
- Flights
Cancelled
0.3%
Best Month
Apr 2024 91%
Worst Month
Jul 2025 62%
Distance
699 mi
Carriers
10
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 48 | 8 | 0 | 1 | MQ |
| Nov 2025 | 51 | 5 | 1 | 0 | MQ |
| Oct 2025 | 61 | 16 | 0 | 2 | OO,MQ |
| Sep 2025 | 56 | 7 | 1 | 0 | MQ,OO |
| Aug 2025 | 62 | 7 | 0 | 0 | AA,OO,MQ |
| Jul 2025 | 61 | 23 | 0 | 1 | AA,OO |
| Jun 2025 | 60 | 15 | 0 | 0 | AA,OO,MQ |
| May 2025 | 62 | 9 | 0 | 0 | AA,MQ |
| Apr 2025 | 60 | 8 | 0 | 0 | MQ,AA |
| Mar 2025 | 62 | 12 | 0 | 0 | AA,OO,MQ |
| Feb 2025 | 44 | 7 | 0 | 1 | AA,OO,MQ |
| Jan 2025 | 33 | 2 | 0 | 0 | OO,MQ |
| Dec 2024 | 57 | 8 | 0 | 1 | MQ,OO |
| Nov 2024 | 54 | 11 | 0 | 0 | OO,MQ |
| Oct 2024 | 31 | 5 | 0 | 0 | MQ,OO |
| Sep 2024 | 30 | 1 | 0 | 0 | MQ |
| Aug 2024 | 31 | 2 | 0 | 0 | MQ,OO |
| Jul 2024 | 31 | 1 | 0 | 1 | MQ,OO |
| Jun 2024 | 30 | 3 | 0 | 0 | MQ,OO |
| May 2024 | 36 | 7 | 0 | 0 | MQ,OO |
| Apr 2024 | 57 | 5 | 0 | 0 | MQ,OO |
| Mar 2024 | 31 | 4 | 0 | 0 | OO |
| Jan 2024 | 38 | 12 | 0 | 1 | OO |
| Dec 2023 | 60 | 10 | 1 | 3 | OO,MQ |
Cancellation Rate
0.3%
3 of 1,146 flights
Diversion Rate
1.0%
11 of 1,146 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Origin airport →STS - Santa Rosa
Full on-time, delay-cause, and seasonal performance for Santa Rosa, CA.
Destination airport →Compare the two airports
See PHX 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 PHX–STS.
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What the Data Says About PHX to STS
Phoenix to Santa Rosa (PHX to STS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.1% on-time rate across 2,725 flights, with delays that do happen averaging 63.7 minutes. The corridor runs roughly 699 miles and is served by 10 carriers. Over the most recent 24 months, 3 of 1,146 flights were cancelled (0.3%) and 11 diverted (1.0%).
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 62% - a 29-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.