Route · SLC → WYS · 2020–2025 BTS data
Salt Lake City to West Yellowstone
The SLC–WYS corridor (Salt Lake City, UT → West Yellowstone, MT) runs ahead of the national average, served by 1 carrier across roughly 273 miles.
Data updated 2026-06-13
- 89.7%
- On-time
- +10.7 pts
- vs US avg
- 65 min
- Delay when late
- 1,229
- Flights
Cancelled
0.4%
Best Month
Sep 2024 96%
Worst Month
Jul 2024 73%
Distance
273 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Sep 2025 | 31 | 2 | 0 | 0 | OO |
| Aug 2025 | 36 | 3 | 0 | 0 | OO |
| Jul 2025 | 36 | 4 | 0 | 0 | OO |
| Jun 2025 | 31 | 0 | 0 | 1 | OO |
| Sep 2024 | 52 | 2 | 0 | 1 | OO |
| Aug 2024 | 62 | 4 | 0 | 0 | OO |
| Jul 2024 | 62 | 17 | 0 | 0 | OO |
| Jun 2024 | 52 | 6 | 2 | 3 | OO |
| May 2024 | 34 | 7 | 0 | 1 | OO |
| Sep 2023 | 52 | 5 | 1 | 1 | OO |
| Aug 2023 | 52 | 5 | 1 | 0 | OO |
| Jul 2023 | 54 | 5 | 0 | 0 | OO |
| Jun 2023 | 52 | 4 | 1 | 1 | OO |
| Sep 2022 | 52 | 2 | 0 | 1 | OO |
| Aug 2022 | 52 | 9 | 0 | 0 | OO |
| Jul 2022 | 54 | 6 | 0 | 0 | OO |
| Jun 2022 | 47 | 9 | 0 | 1 | OO |
| Sep 2021 | 35 | 0 | 0 | 0 | OO |
| Aug 2021 | 53 | 3 | 0 | 1 | OO |
| Jul 2021 | 54 | 5 | 0 | 0 | OO |
| Jun 2021 | 52 | 3 | 0 | 0 | OO |
| May 2021 | 32 | 2 | 0 | 1 | OO |
| Sep 2020 | 45 | 5 | 0 | 1 | OO |
| Aug 2020 | 56 | 3 | 0 | 1 | OO |
Cancellation Rate
0.4%
5 of 1,138 flights
Diversion Rate
1.2%
14 of 1,138 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
Origin airport →WYS - West Yellowstone
Full on-time, delay-cause, and seasonal performance for West Yellowstone, MT.
Destination airport →Compare the two airports
See SLC and WYS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SLC–WYS.
Routes with a similar on-time rate
What the Data Says About SLC to WYS
Salt Lake City to West Yellowstone (SLC to WYS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.7% on-time rate across 1,229 flights, with delays that do happen averaging 64.7 minutes. The corridor runs roughly 273 miles and is served by 1 carrier. Over the most recent 24 months, 5 of 1,138 flights were cancelled (0.4%) and 14 diverted (1.2%).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 96% on-time, while Jul 2024 came in at just 73% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SLC to WYS? ▼
What is the cancellation rate for SLC to WYS? ▼
How far is the flight from SLC to WYS? ▼
When is the best time to fly from SLC to WYS? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.