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Route Reliability

Bellingham → Portland

BLI–PDX · 221 miles · Bellingham International Airport to Portland International Airport

100
Nerd Approved
WanderNerd Reliability Score
97%
Arrive within 15 minutes
2 min early
Average arrival delay
1.1%
Cancelled
95
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 95 flights. No comparison to make.

What the data says

3–6 PM has a slight edge.

Departures between 3–6 PM arrived on time 100% of the time, against 96% between 6–9 AM.

Thursdays have been rough.

BLI–PDX flights arrived on time 100% of the time on Mondays and just 79% on Thursdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon100%(13 flights)
  • Tue100%(13 flights)
  • Wed100%(13 flights)
  • Thu79%(14 flights)
  • Fri100%(14 flights)
  • Sat100%(14 flights)
  • Sun100%(13 flights)
On-time by departure window
  • 6–9 AM96%(73 flights)
  • 3–6 PM100%(21 flights)
On-time trend by month
98%
May

Mar 100% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
March 2026100%13
April 202695%39
May 202698%42

Keep nerding

Based on 95 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.