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Route Reliability

Boston → Portland

BOS–PDX · 2,537 miles · Boston Logan International Airport to Portland International Airport

79
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
4 min
Average arrival delay
1.1%
Cancelled
638
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines80%533 flights
  2. 2.JetBlue Airways61%105 flights

What the data says

Morning-you made the right choice.

BOS–PDX flights departing between 9 AM–12 PM arrived on time 96% of the time, versus 38% between 6–9 PM.

Friday is doing you no favors.

BOS–PDX flights arrived on time 81% of the time on Saturdays. On Fridays: 70%.

Alaska Airlines has a clear lead on this route.

Alaska Airlines arrived on time 80% of the time on this route; JetBlue Airways managed 61%.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(95 flights)
  • Tue77%(94 flights)
  • Wed79%(79 flights)
  • Thu71%(90 flights)
  • Fri70%(99 flights)
  • Sat81%(82 flights)
  • Sun80%(91 flights)
On-time by departure window
  • 6–9 AM93%(209 flights)
  • 9 AM–12 PM96%(22 flights)
  • 3–6 PM72%(333 flights)
  • 6–9 PM38%(66 flights)
On-time trend by month
85%
May

Jun 80% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%90
July 202562%90
August 202590%87
September 202586%50
October 202576%46
November 202574%38
December 202561%38
January 202672%29
February 202686%21
March 202647%36
April 202687%45
May 202685%60

Keep nerding

Based on 638 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.