Route · SUN → SLC · 2020–2025 BTS data
Sun Valley/Hailey/Ketchum to Salt Lake City
The SUN–SLC corridor (Sun Valley/Hailey/Ketchum, ID → Salt Lake City, UT) runs ahead of the national average, served by 1 carrier across roughly 222 miles.
Data updated 2026-06-13
- 91.7%
- On-time
- +12.7 pts
- vs US avg
- 128 min
- Delay when late
- 5,319
- Flights
Cancelled
0.6%
Best Month
Jun 2025 99%
Worst Month
Jan 2024 84%
Distance
222 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 6 | 4 | 0 | OO |
| Nov 2025 | 86 | 2 | 0 | 0 | OO |
| Oct 2025 | 92 | 5 | 0 | 0 | OO |
| Sep 2025 | 90 | 3 | 0 | 0 | OO |
| Aug 2025 | 93 | 4 | 0 | 0 | OO |
| Jul 2025 | 93 | 6 | 0 | 0 | OO |
| Jun 2025 | 90 | 1 | 0 | 0 | OO |
| May 2025 | 93 | 6 | 0 | 0 | OO |
| Apr 2025 | 90 | 1 | 0 | 0 | OO |
| Mar 2025 | 93 | 5 | 0 | 0 | OO |
| Feb 2025 | 84 | 12 | 2 | 0 | OO |
| Jan 2025 | 92 | 6 | 2 | 0 | OO |
| Dec 2024 | 70 | 5 | 1 | 1 | OO |
| Nov 2024 | 59 | 1 | 0 | 0 | OO |
| Oct 2024 | 62 | 2 | 0 | 0 | OO |
| Sep 2024 | 60 | 2 | 0 | 0 | OO |
| Aug 2024 | 62 | 6 | 0 | 1 | OO |
| Jul 2024 | 62 | 6 | 0 | 0 | OO |
| Jun 2024 | 60 | 2 | 0 | 0 | OO |
| May 2024 | 62 | 2 | 0 | 0 | OO |
| Apr 2024 | 60 | 5 | 0 | 0 | OO |
| Mar 2024 | 62 | 8 | 1 | 0 | OO |
| Feb 2024 | 60 | 5 | 0 | 0 | OO |
| Jan 2024 | 93 | 15 | 1 | 0 | OO |
Cancellation Rate
0.6%
11 of 1,858 flights
Diversion Rate
0.1%
2 of 1,858 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SUN - Sun Valley/Hailey/Ketchum
Full on-time, delay-cause, and seasonal performance for Sun Valley/Hailey/Ketchum, ID.
Origin airport →SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
Destination airport →Compare the two airports
See SUN and SLC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SUN–SLC.
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What the Data Says About SUN to SLC
Sun Valley/Hailey/Ketchum to Salt Lake City (SUN to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 91.7% on-time rate across 5,319 flights, with delays that do happen averaging 128.1 minutes. The corridor runs roughly 222 miles and is served by 1 carrier. Over the most recent 24 months, 11 of 1,858 flights were cancelled (0.6%) and 2 diverted (0.1%).
The monthly split is wide on this route: Jun 2025 posted the strongest performance at 99% on-time, while Jan 2024 came in at just 84% - a 15-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.