OnTimeRoutes
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Alaska Airlines PDX to STS on-time performance

Alaska Airlines nonstop flights from Portland to Santa Rosa · Aug 2025 – Jul 2026

On-time arrivals
80%
arrived < 15 min late
Cancelled
3.8%
1 flights
Avg arrival delay
13 min
63 min when late
Rank on route
#2 of 2
route average 84% on time

Key facts

  • Alaska Airlines flights on PDX to STS arrived on time 80% of the time in Aug 2025 – Jul 2026.
  • 3.8% were cancelled, and 4% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 84% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (71%).

On-time trend by month

60%80%100%January 2026: 77.8% on time, 5.3% cancelledJan ’26February 2026: 85.7% on time, 0.0% cancelledFeb ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)71%
  • Extreme weather15%
  • Late-arriving aircraft14%
  • Air traffic control & airport congestion0%
  • Security0%

Other airlines on PDX to STS

26 Alaska Airlines flights tracked on this route; 1 cancelled, 0 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.