Route
BZN → PDX
Bozeman Yellowstone International Airport Portland International Airport
554 miles
Return route PDX → BZN →
How punctual is this route?
- On-time arrivals
- 89.5%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 87
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 80%
- Extreme weather 11%
- Late-arriving aircraft 7%
- Air traffic control & airport 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 80.0% | 10 |
| December 2025 | 100.0% | 9 |
| January 2026 | 75.0% | 4 |
| April 2026 | 88.9% | 9 |
| May 2026 | 83.3% | 12 |
| August 2026 | 100.0% | 13 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 74 | 87.8% | 0.0% | 74 min |
| Alaska Airlines | 13 | 100.0% | 7.7% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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