Route · SLC → MSO · 2020–2025 BTS data
Salt Lake City to Missoula
The SLC–MSO corridor (Salt Lake City, UT → Missoula, MT) runs ahead of the national average, served by 3 carriers across roughly 436 miles.
Data updated 2026-06-13
- 91%
- On-time
- +12 pts
- vs US avg
- 85 min
- Delay when late
- 6,617
- Flights
Cancelled
0.8%
Best Month
Jun 2024 98%
Worst Month
Jun 2025 79%
Distance
436 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 7 | 2 | 1 | DL,OO |
| Nov 2025 | 88 | 8 | 6 | 0 | OO,DL |
| Oct 2025 | 92 | 7 | 0 | 0 | OO,DL |
| Sep 2025 | 74 | 9 | 0 | 0 | OO,DL |
| Aug 2025 | 93 | 9 | 0 | 0 | OO,DL |
| Jul 2025 | 92 | 13 | 0 | 0 | OO,DL |
| Jun 2025 | 90 | 19 | 0 | 0 | OO,DL |
| May 2025 | 93 | 5 | 0 | 0 | OO,DL |
| Apr 2025 | 90 | 4 | 0 | 0 | DL,OO |
| Mar 2025 | 91 | 10 | 0 | 0 | OO,DL |
| Feb 2025 | 78 | 8 | 0 | 0 | OO,DL |
| Jan 2025 | 88 | 9 | 0 | 2 | OO,DL |
| Dec 2024 | 90 | 18 | 0 | 1 | DL,OO |
| Nov 2024 | 88 | 9 | 0 | 1 | OO,DL |
| Oct 2024 | 92 | 4 | 0 | 0 | OO,DL |
| Sep 2024 | 88 | 8 | 0 | 0 | OO,DL |
| Aug 2024 | 92 | 12 | 0 | 0 | DL,OO |
| Jul 2024 | 93 | 12 | 2 | 0 | DL,OO |
| Jun 2024 | 89 | 2 | 0 | 1 | DL,OO |
| May 2024 | 88 | 11 | 0 | 0 | DL,OO |
| Apr 2024 | 86 | 10 | 0 | 0 | DL,OO |
| Mar 2024 | 88 | 8 | 0 | 0 | DL,OO |
| Feb 2024 | 80 | 5 | 0 | 0 | OO |
| Jan 2024 | 88 | 17 | 6 | 3 | DL,OO |
Cancellation Rate
0.8%
16 of 2,121 flights
Diversion Rate
0.4%
9 of 2,121 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 →MSO - Missoula
Full on-time, delay-cause, and seasonal performance for Missoula, MT.
Destination airport →Compare the two airports
See SLC and MSO 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–MSO.
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What the Data Says About SLC to MSO
Salt Lake City to Missoula (SLC to MSO) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 91% on-time rate across 6,617 flights, with delays that do happen averaging 85.2 minutes. The corridor runs roughly 436 miles and is served by 3 carriers. Over the most recent 24 months, 16 of 2,121 flights were cancelled (0.8%) and 9 diverted (0.4%).
The monthly split is wide on this route: Jun 2024 posted the strongest performance at 98% on-time, while Jun 2025 came in at just 79% - a 19-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.