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Route Reliability

SBP → Portland

SBP–PDX · 722 miles · SBP Airport to Portland International Airport

99
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
0.3%
Cancelled
382
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 92% of the time across 382 flights. No comparison to make.

What the data says

3–6 PM has a slight edge.

Departures between 3–6 PM arrived on time 93% of the time, against 90% between 6–9 AM.

Sunday comes out ahead.

A small edge: 95% on time on Sundays against 89% on Tuesdays.

It basically never cancels.

Out of 382 scheduled flights, only 0.3% were cancelled.

Flights on this route

The breakdown

On-time by weekday
  • Mon94%(52 flights)
  • Tue89%(53 flights)
  • Wed91%(55 flights)
  • Thu91%(55 flights)
  • Fri93%(55 flights)
  • Sat95%(55 flights)
  • Sun95%(56 flights)
On-time by departure window
  • 6–9 AM90%(19 flights)
  • 3–6 PM93%(362 flights)
On-time trend by month
92%
May

Jun 86% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202587%31
August 2025100%31
September 202596%28
October 2025100%31
November 202593%30
December 202594%31
January 202690%31
February 202686%28
March 202690%31
April 202693%30
May 202692%50

Keep nerding

Based on 382 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.