Historical on-time performance
Portland to Anchorage
1,542 miData through May 2026Source: US DOT · BTS
Flights on PDX–ANC arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 1,148 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time80%Medianon timep9025 minCancel0.0%Flights1,148
Why flights run late
Delay causes
- Airline38%
- Weather2%
- Air traffic (NAS)23%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline74%
- Weather26%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 19 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 PDX → ANC
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 78% to 81% on time.
- Evenings81% on time · p90 30 min · 312 flights
- Overnights79% on time · p90 25 min · 899 flights
- Afternoons78% on time · p90 30 min · 253 flights
- Middays78% on time · p90 30 min · 397 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 83% on time.
- Saturdays83% on time · p90 25 min · 265 flights
- Tuesdays82% on time · p90 20 min · 271 flights
- Mondays82% on time · p90 25 min · 278 flights
- Sundays81% on time · p90 20 min · 280 flights
- Wednesdays80% on time · p90 25 min · 271 flights
- Fridays75% on time · p90 35 min · 280 flights
- Thursdays72% on time · p90 30 min · 281 flights
Keep exploring