Missoula (MSO) Delays
#150 U.S. airport by BTS-tracked flight volume · 83.9% on-time departures, 80.9% on-time arrivals over the last 12 months · 2015–2026
4,891Flights
83.9%Departures on-time
15.7 minAvg dep. delay
80.9%Arrivals on-time
13.7 minAvg arr. delay
0.8%Cancelled
Delay causes (last 12 months)
- Air carrier39.9%
- Extreme weather7.6%
- National Aviation System25.2%
- Security0%
- Late-arriving aircraft27.3%
By year
| Year | Flights | Dep on-time | Arr on-time | Avg dep delay | Cancelled |
|---|---|---|---|---|---|
| 2026 | 1,862 | 85.1% | 81.6% | 15.2 min | 0.8% |
| 2025 | 4,490 | 82.5% | 80.6% | 16.5 min | 0.7% |
| 2024 | 4,170 | 82.5% | 80.9% | 16 min | 1.2% |
| 2023 | 3,830 | 82.9% | 83% | 17 min | 0.6% |
| 2022 | 4,772 | 83.4% | 83.2% | 15.1 min | 1.5% |
| 2021 | 6,034 | 83.8% | 83.8% | 15.6 min | 1.2% |
| 2020 | 3,082 | 90.8% | 88.8% | 9.9 min | 3.9% |
| 2019 | 3,518 | 83.6% | 83.5% | 12.4 min | 0.5% |
| 2018 | 3,430 | 86.3% | 84.3% | 11.5 min | 0.5% |
| 2017 | 2,434 | 90.2% | 86.6% | 11.8 min | 0.5% |
| 2016 | 2,682 | 89.5% | 86.7% | 9.1 min | 0.9% |
| 2015 | 2,248 | 90.6% | 87.5% | 6.8 min | 0.8% |
On-time = arrival within 15 minutes of schedule, per U.S. DOT definitions. Source: Bureau of Transportation Statistics (public domain). Delay-cause attribution is reported by carriers since June 2003.