Route Reliability
Portland → Fairbanks
PDX–FAI · 1,640 miles · Portland International Airport to Fairbanks International Airport
93
Nerd Approved
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0%
- Cancelled
- 80
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 85% of the time across 80 flights. No comparison to make.
What the data says
Sunday scaries are real for this one.
PDX–FAI flights arrived on time 92% of the time on Mondays and just 75% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon92%(12 flights)
- Tue75%(12 flights)
- Wed91%(11 flights)
- Thu91%(11 flights)
- Fri82%(11 flights)
- Sat91%(11 flights)
- Sun75%(12 flights)
74%
Aug
Jun 93% → Aug 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 93% | 30 |
| July 2025 | 84% | 31 |
| August 2025 | 74% | 19 |
Keep nerding
Based on 80 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.