Airports › Missoula (MSO) › July 2025
Airport month · July 2025
Missoula Montana in July 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In July 2025, reporting carriers scheduled 579 domestic departures from Missoula Montana (MSO). 79.3% left less than 15 minutes late and 74.1% reached their destination on time; 0.7% were cancelled.
Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so MSO departures were 9.6 points above the national departure figure.
A year earlier, in July 2024, the airport had 567 departures with 73.2% leaving on time: a change of +6.1 points, with flights up 2%.
Flights arriving at MSO that month were on time 75.5% of the time (579 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, national aviation system 33% and late-arriving aircraft 21%.
- On time 74.1%
- Arrived 15+ minutes late 23.8%
- Cancelled 0.7%
- Diverted 1.4%
July 2025 against a year earlier, the airport's year and the nation
| Measure | Jul 2025 | Jul 2024 | MSO, 12 months to Jul 2026 | All reported flights, Jul 2025 |
|---|---|---|---|---|
| Departed on time | 79.3% | 73.2% | 83.4% | 69.7% |
| Arrived on time | 74.1% | 72.8% | 82.1% | 69.0% |
| Cancelled | 0.7% | 3.0% | 0.7% | 2.5% |
| Average departure delay (late minutes only) | 20.3 min | 24.9 min | 14.8 min | 24.3 min |
| Scheduled departures a day | 19 | 19 | 14 | 21,048 |
| Scheduled departures | 579 | 567 | 5,003 | 631,428 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 193 | 33% | 77.2% | 9.7 min | 0.5% |
| DL Delta Air Lines | 93 | 16% | 88.2% | -2.7 min | 0.0% |
| UA United Airlines | 93 | 16% | 68.8% | 13.9 min | 0.0% |
| AA American Airlines | 62 | 11% | 74.2% | 12.1 min | 3.2% |
| MQ Envoy Air | 61 | 11% | 62.3% | 23.3 min | 1.6% |
| G4 Allegiant Air | 38 | 7% | 71.1% | 54.9 min | 0.0% |
| AS Alaska Airlines | 31 | 5% | 54.8% | 26.2 min | 0.0% |
| F9 Frontier Airlines | 8 | 1% | 75.0% | 44.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| MSO–DEN | Missoula to Denver | 132 | 71.2% | 20.1 min | 0.8% |
| MSO–ORD | Missoula to Chicago | 92 | 58.7% | 22.8 min | 1.1% |
| MSO–SLC | Missoula to Salt Lake City | 92 | 87.0% | -2.0 min | 0.0% |
| MSO–DFW | Missoula to Dallas/Fort Worth | 62 | 74.2% | 12.1 min | 3.2% |
| MSO–MSP | Missoula to Minneapolis | 62 | 87.1% | -1.9 min | 0.0% |
| MSO–SFO | Missoula to San Francisco | 35 | 80.0% | 6.8 min | 0.0% |
| MSO–LAX | Missoula to Los Angeles | 31 | 83.9% | 1.8 min | 0.0% |
| MSO–SEA | Missoula to Seattle | 31 | 54.8% | 26.2 min | 0.0% |
| MSO–AZA | Missoula to Phoenix | 12 | 91.7% | -4.5 min | 0.0% |
| MSO–LAS | Missoula to Las Vegas | 9 | 66.7% | 186.3 min | 0.0% |
| MSO–SNA | Missoula to Santa Ana | 9 | 44.4% | 26.0 min | 0.0% |
| MSO–OAK | Missoula to Oakland | 8 | 75.0% | 28.5 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left MSO on time in July 2025?
79.3% of 579 scheduled domestic departures left less than 15 minutes late, and 74.1% reached their destination on time. The national figures that month were 69.7% and 69.0%.
How does that compare with a year earlier?
In July 2024, 73.2% of 567 departures left on time and 3.0% were cancelled, against 79.3% and 0.7% in July 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MSO · methodology · corrections.