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Flight Reliability

AS 2263 · Alaska Airlines

San Jose → Portland (SJC–PDX)95% of its flights flew this route. The rest (LAS–SAN) are included in these numbers.

100
Nerd Approved
WanderNerd Reliability Score
97%
Arrive within 15 minutes
9 min early
Average arrival delay
1.3%
Cancelled
12 min early
Median arrival delay

Based on 240 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 97% of the time, against 91% between 6–9 PM.

Monday is the weak spot.

AS 2263 arrived on time 100% of the time on Wednesdays. On Mondays: 91%.

Better than the SJC–PDX route average.

AS 2263 arrived on time 97% of the time, versus 87% across the SJC–PDX route.

Well ahead of the Alaska Airlines network.

AS 2263 arrived on time 97% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon91%(35 flights)
  • Tue97%(39 flights)
  • Wed100%(36 flights)
  • Thu100%(33 flights)
  • Fri97%(33 flights)
  • Sat96%(26 flights)
  • Sun97%(35 flights)
On-time by departure window
  • 6–9 AM97%(226 flights)
  • 6–9 PM91%(11 flights)
On-time trend by month
100%
Apr

Jun 100% → Apr 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%30
July 202590%30
August 202597%31
September 2025100%30
October 202596%27
November 2025100%25
December 202593%14
January 2026100%12
March 2026100%13
April 2026100%21
Departures on time
96%
Diverted
0%
Flights flown
237
Months covered
11

Same route, other flights

Keep nerding

Based on 240 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.