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Route Reliability

Portland → SBP

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

98
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
3 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

Departure time hasn't mattered much.

On-time rates stay between 92% and 95% across the day.

Thursday is the weak spot.

PDX–SBP flights arrived on time 96% of the time on Saturdays. On Thursdays: 86%.

It basically never cancels.

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

Ticking up lately.

PDX–SBP flights arrived on time 95% of the time over the last three months in the data, compared with 89% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon92%(52 flights)
  • Tue91%(53 flights)
  • Wed93%(54 flights)
  • Thu86%(55 flights)
  • Fri95%(55 flights)
  • Sat96%(55 flights)
  • Sun95%(56 flights)
On-time by departure window
  • 12–3 PM92%(361 flights)
  • 3–6 PM95%(19 flights)
On-time trend by month
96%
May

Jun 86% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202583%30
August 202597%31
September 202593%28
October 202597%31
November 202597%30
December 202587%31
January 202690%31
February 202689%28
March 202690%31
April 2026100%30
May 202696%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.