Route Reliability
Bozeman → Portland
BZN–PDX · 554 miles · Bozeman Yellowstone International Airport to Portland International Airport
91
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 1.0%
- Cancelled
- 525
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 88% of the time across 525 flights. No comparison to make.
What the data says
Morning-you made the right choice.
BZN–PDX flights departing between 6–9 AM arrived on time 96% of the time, versus 85% between 3–6 PM.
Skip Thursday if you can.
BZN–PDX flights arrived on time 93% of the time on Tuesdays. On Thursdays: 83%.
Flights on this route
The breakdown
- Mon84%(74 flights)
- Tue93%(76 flights)
- Wed89%(75 flights)
- Thu83%(76 flights)
- Fri91%(74 flights)
- Sat85%(71 flights)
- Sun92%(73 flights)
- 3–6 AM92%(133 flights)
- 6–9 AM96%(28 flights)
- 12–3 PM90%(97 flights)
- 3–6 PM85%(261 flights)
84%
May
Jun 91% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 58 |
| July 2025 | 77% | 61 |
| August 2025 | 89% | 62 |
| September 2025 | 88% | 60 |
| October 2025 | 91% | 56 |
| November 2025 | 90% | 30 |
| December 2025 | 90% | 38 |
| January 2026 | 86% | 35 |
| February 2026 | 93% | 28 |
| March 2026 | 87% | 30 |
| April 2026 | 97% | 30 |
| May 2026 | 84% | 31 |
Keep nerding
Based on 525 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.