Route · SEA → BZN · 2020–2025 BTS data
Seattle to Bozeman
The SEA–BZN corridor (Seattle, WA → Bozeman, MT) runs ahead of the national average, served by 10 carriers across roughly 543 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 54 min
- Delay when late
- 5,417
- Flights
Cancelled
0.8%
Best Month
Dec 2023 92%
Worst Month
Jun 2025 44%
Distance
543 mi
Carriers
10
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 162 | 30 | 1 | 0 | AS,OO |
| Nov 2025 | 98 | 10 | 2 | 1 | OO,AS |
| Oct 2025 | 123 | 18 | 1 | 0 | AS,OO |
| Sep 2025 | 137 | 17 | 0 | 0 | OO,AS |
| Aug 2025 | 150 | 29 | 0 | 1 | OO,AS,DL |
| Jul 2025 | 152 | 37 | 1 | 0 | AS,OO |
| Jun 2025 | 63 | 35 | 0 | 0 | AS,OO |
| May 2025 | 46 | 20 | 0 | 0 | AS |
| Mar 2025 | 31 | 12 | 0 | 0 | AS |
| Feb 2025 | 30 | 11 | 1 | 0 | AS |
| Jan 2025 | 37 | 7 | 0 | 0 | AS,OO |
| Dec 2024 | 36 | 4 | 0 | 0 | AS,OO |
| Oct 2024 | 57 | 13 | 0 | 0 | AS |
| Sep 2024 | 60 | 14 | 0 | 0 | AS |
| Aug 2024 | 81 | 26 | 1 | 0 | AS,OO |
| Jul 2024 | 92 | 24 | 1 | 0 | AS |
| Jun 2024 | 87 | 27 | 0 | 0 | AS,OO |
| May 2024 | 63 | 14 | 0 | 0 | AS,OO |
| Apr 2024 | 30 | 7 | 0 | 0 | AS |
| Mar 2024 | 44 | 12 | 0 | 0 | AS |
| Feb 2024 | 58 | 6 | 1 | 1 | AS |
| Jan 2024 | 67 | 19 | 5 | 0 | AS,OO |
| Dec 2023 | 62 | 5 | 1 | 0 | OO,AS |
| Nov 2023 | 44 | 4 | 0 | 0 | AS |
Cancellation Rate
0.8%
15 of 1,810 flights
Diversion Rate
0.2%
3 of 1,810 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →BZN - Bozeman
Full on-time, delay-cause, and seasonal performance for Bozeman, MT.
Destination airport →Compare the two airports
See SEA and BZN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–BZN.
Routes with a similar on-time rate
What the Data Says About SEA to BZN
5,417 tracked flights put the SEA to BZN pairing (Seattle to Bozeman) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 53.7 minutes on average. Across the 543-mile route and its 10 carriers, the trailing 24 months show 0.8% cancelled and 0.2% diverted (1,810 flights sampled).
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 92% on-time, while Jun 2025 came in at just 44% - a 48-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.