Historical on-time performance
Anchorage to Portland
1,542 miData through May 2026Source: US DOT · BTS
Flights on ANC–PDX arrive on time 91% of the time over the last 12 months.
On-time rate91%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 1,149 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time91%Medianon timep9010 minCancel0.0%Flights1,149
Why flights run late
Delay causes
- Airline56%
- Weather12%
- Air traffic (NAS)9%
- Late aircraft21%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline77%
- Weather23%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 22 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ANC → PDX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 88% to 92% on time.
- Mornings92% on time · p90 10 min · 582 flights
- Middays89% on time · p90 15 min · 243 flights
- Early mornings88% on time · p90 15 min · 1,065 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 87% to 92% on time.
- Tuesdays92% on time · p90 10 min · 271 flights
- Wednesdays90% on time · p90 10 min · 267 flights
- Thursdays90% on time · p90 10 min · 280 flights
- Sundays89% on time · p90 15 min · 282 flights
- Fridays89% on time · p90 15 min · 278 flights
- Mondays89% on time · p90 15 min · 277 flights
- Saturdays87% on time · p90 15 min · 270 flights
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