Route Reliability
Portland → Bellingham
PDX–BLI · 221 miles · Portland International Airport to Bellingham International Airport
100
Nerd Approved
WanderNerd Reliability Score
- 97%
- Arrive within 15 minutes
- 4 min early
- Average arrival delay
- 1.0%
- Cancelled
- 96
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 97% of the time across 96 flights. No comparison to make.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 100% of the time, against 96% between 9 PM–12 AM.
Monday is the weak spot.
PDX–BLI flights arrived on time 100% of the time on Tuesdays. On Mondays: 92%.
Flights on this route
The breakdown
- Mon92%(13 flights)
- Tue100%(13 flights)
- Wed100%(14 flights)
- Thu93%(14 flights)
- Fri93%(14 flights)
- Sat100%(13 flights)
- Sun100%(14 flights)
- 12–3 PM100%(21 flights)
- 9 PM–12 AM96%(74 flights)
95%
May
Mar 93% → May 95% on time
| Month | On-time percentage | Flights |
|---|---|---|
| March 2026 | 93% | 14 |
| April 2026 | 100% | 39 |
| May 2026 | 95% | 42 |
Keep nerding
Based on 96 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.