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Flight Reliability

AS 2210 · Alaska Airlines

Portland → San Jose (PDX–SJC)92% of its flights flew this route. The rest (BOI–PDX) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
4 min early
Average arrival delay
1.1%
Cancelled
9 min early
Median arrival delay

Based on 272 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

AS 2210 departing between 3–6 PM arrived on time 95% of the time, versus 86% between 6–9 PM.

Tuesday is the weak spot.

AS 2210 arrived on time 98% of the time on Mondays. On Tuesdays: 85%.

A bit ahead of the PDX–SJC route.

AS 2210 arrived on time 91% of the time, versus 84% across the PDX–SJC route.

Better than the Alaska Airlines network average.

AS 2210 arrived on time 91% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon98%(41 flights)
  • Tue85%(34 flights)
  • Wed89%(35 flights)
  • Thu93%(40 flights)
  • Fri85%(41 flights)
  • Sat95%(37 flights)
  • Sun90%(41 flights)
On-time by departure window
  • 6–9 AM91%(227 flights)
  • 3–6 PM95%(20 flights)
  • 6–9 PM86%(22 flights)
On-time trend by month
100%
May

Jun 87% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202590%30
August 202590%31
September 202593%29
October 202580%25
December 202580%15
January 202690%20
March 2026100%14
April 202697%30
May 2026100%30
Departures on time
93%
Diverted
0%
Flights flown
269
Months covered
12

Same route, other flights

Keep nerding

Based on 272 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.