Route · BTM → SLC · 2020–2025 BTS data
Butte to Salt Lake City
The BTM–SLC corridor (Butte, MT → Salt Lake City, UT) runs ahead of the national average, served by 1 carrier across roughly 358 miles.
Data updated 2026-06-13
- 91.9%
- On-time
- +12.9 pts
- vs US avg
- 103 min
- Delay when late
- 3,311
- Flights
Cancelled
0.0%
Best Month
Oct 2024 100%
Worst Month
Jun 2024 82%
Distance
358 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2025 | 31 | 1 | 0 | 0 | OO |
| Sep 2025 | 30 | 2 | 0 | 0 | OO |
| Aug 2025 | 31 | 0 | 0 | 0 | OO |
| Jul 2025 | 31 | 4 | 0 | 0 | OO |
| Jun 2025 | 30 | 1 | 0 | 0 | OO |
| May 2025 | 30 | 0 | 0 | 0 | OO |
| Dec 2024 | 58 | 3 | 0 | 0 | OO |
| Nov 2024 | 56 | 4 | 0 | 0 | OO |
| Oct 2024 | 57 | 0 | 0 | 0 | OO |
| Sep 2024 | 58 | 3 | 0 | 0 | OO |
| Aug 2024 | 62 | 2 | 0 | 0 | OO |
| Jul 2024 | 62 | 6 | 0 | 0 | OO |
| Jun 2024 | 56 | 10 | 0 | 0 | OO |
| May 2024 | 58 | 2 | 0 | 0 | OO |
| Apr 2024 | 55 | 3 | 0 | 0 | OO |
| Mar 2024 | 58 | 6 | 0 | 0 | OO |
| Feb 2024 | 54 | 2 | 0 | 0 | OO |
| Jan 2024 | 56 | 6 | 0 | 0 | OO |
| Dec 2023 | 56 | 2 | 0 | 0 | OO |
| Nov 2023 | 56 | 1 | 0 | 0 | OO |
| Oct 2023 | 57 | 2 | 0 | 0 | OO |
| Sep 2023 | 56 | 2 | 0 | 0 | OO |
| Aug 2023 | 57 | 2 | 0 | 0 | OO |
| Jul 2023 | 58 | 1 | 0 | 0 | OO |
Cancellation Rate
0.0%
0 of 1,213 flights
Diversion Rate
0.0%
0 of 1,213 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BTM - Butte
Full on-time, delay-cause, and seasonal performance for Butte, MT.
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 BTM 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 BTM–SLC.
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What the Data Says About BTM to SLC
Butte to Salt Lake City (BTM to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 91.9% on-time rate across 3,311 flights, with delays that do happen averaging 102.8 minutes. The corridor runs roughly 358 miles and is served by 1 carrier. Over the most recent 24 months, 0 of 1,213 flights were cancelled (0.0%) and 0 diverted (0.0%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 100% on-time, while Jun 2024 came in at just 82% - a 18-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.