OnTimeRoutes
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Alaska Airlines SAN to PDX on-time performance

Alaska Airlines nonstop flights from San Diego to Portland · Aug 2025 – Jul 2026

On-time arrivals
86%
arrived < 15 min late
Cancelled
1.1%
18 flights
Avg arrival delay
9 min
55 min when late
Rank on route
#2 of 3
route average 84% on time

Key facts

  • Alaska Airlines flights on SAN to PDX arrived on time 86% of the time in Aug 2025 – Jul 2026.
  • 1.1% were cancelled, and 4% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 84% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (57%).

On-time trend by month

60%80%100%July 2025: 82.9% on time, 2.0% cancelledJul ’25August 2025: 82.5% on time, 2.1% cancelledAug ’25September 2025: 87.6% on time, 0.8% cancelledSep ’25October 2025: 86.3% on time, 1.4% cancelledOct ’25November 2025: 81.1% on time, 0.0% cancelledNov ’25December 2025: 81.7% on time, 0.6% cancelledDec ’25January 2026: 81.1% on time, 2.2% cancelledJan ’26February 2026: 91.3% on time, 0.0% cancelledFeb ’26March 2026: 93.8% on time, 1.5% cancelledMar ’26April 2026: 94.7% on time, 1.5% cancelledApr ’26May 2026: 93.5% on time, 0.0% cancelledMay ’26June 2026: 76.3% on time, 1.7% cancelledJun ’26July 2026: 86.9% on time, 1.6% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft57%
  • Airline (crew, maintenance, cleaning, fueling)32%
  • Air traffic control & airport congestion9%
  • Extreme weather1%
  • Security0%

Other airlines on SAN to PDX

1,586 Alaska Airlines flights tracked on this route; 18 cancelled, 1 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.