Route · SFO → SUN · 2020–2025 BTS data
San Francisco to Sun Valley/Hailey/Ketchum
The SFO–SUN corridor (San Francisco, CA → Sun Valley/Hailey/Ketchum, ID) runs ahead of the national average, served by 1 carrier across roughly 587 miles.
Data updated 2026-06-13
- 87.7%
- On-time
- +8.7 pts
- vs US avg
- 79 min
- Delay when late
- 706
- Flights
Cancelled
1.6%
Best Month
N/A
Worst Month
N/A
Distance
587 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 33 | 10 | 1 | 1 | OO |
| Aug 2025 | 34 | 1 | 0 | 0 | OO |
| Jul 2025 | 34 | 6 | 0 | 0 | OO |
| Mar 2025 | 38 | 3 | 0 | 1 | OO |
| Feb 2025 | 36 | 3 | 0 | 1 | OO |
| Jan 2025 | 43 | 4 | 1 | 0 | OO |
| Dec 2024 | 31 | 6 | 1 | 0 | OO |
| Aug 2024 | 31 | 4 | 0 | 1 | OO |
| Jul 2024 | 31 | 7 | 0 | 0 | OO |
| Mar 2024 | 40 | 4 | 1 | 3 | OO |
| Feb 2024 | 37 | 6 | 1 | 1 | OO |
| Jan 2024 | 39 | 6 | 0 | 1 | OO |
| Aug 2023 | 31 | 3 | 0 | 0 | OO |
| Jul 2023 | 31 | 1 | 0 | 0 | OO |
| Jan 2023 | 31 | 9 | 3 | 2 | OO |
| Aug 2022 | 31 | 0 | 0 | 0 | OO |
| Jul 2022 | 31 | 2 | 1 | 0 | OO |
| Jan 2022 | 31 | 2 | 2 | 0 | OO |
| Aug 2021 | 31 | 5 | 0 | 0 | OO |
| Jul 2021 | 31 | 1 | 0 | 0 | OO |
| Jan 2020 | 31 | 4 | 0 | 0 | OO |
Cancellation Rate
1.6%
11 of 706 flights
Diversion Rate
1.6%
11 of 706 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SFO - San Francisco
Full on-time, delay-cause, and seasonal performance for San Francisco, CA.
Origin airport →SUN - Sun Valley/Hailey/Ketchum
Full on-time, delay-cause, and seasonal performance for Sun Valley/Hailey/Ketchum, ID.
Destination airport →Compare the two airports
See SFO and SUN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SFO–SUN.
Routes with a similar on-time rate
What the Data Says About SFO to SUN
San Francisco to Sun Valley/Hailey/Ketchum (SFO to SUN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.7% on-time rate across 706 flights, with delays that do happen averaging 78.5 minutes. The corridor runs roughly 587 miles and is served by 1 carrier. Over the most recent 24 months, 11 of 706 flights were cancelled (1.6%) and 11 diverted (1.6%).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from SFO to SUN? ▼
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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.