Portland (PDX) to Anchorage (ANC): On-Time Performance
Data through May 2026
When you fly PDX to ANC matters as much as anything else about the booking: the route swung from 90% on-time in April 2026 to just 60% in December 2025. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 0.1%
- Flights/day
- 3.1
- last 12 months
- Duration
- 3h 52m
- scheduled
- Distance
- 1,542 mi
Monthly on-time trend
Best time to fly from PDX to ANC
Aim for departures around 7 a.m. (91% on-time); avoid 8 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 10 min |
| Tuesday | 82% | 7 min |
| Wednesday | 80% | 8 min |
| Thursday | 71% | 14 min |
| Friday | 76% | 12 min |
| Saturdaybest | 82% | 11 min |
| Sunday | 81% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations36%
- National airspace system24%
- Weather2%
Frequently asked questions
- How often are flights from PDX to ANC delayed?
- 21% of PDX–ANC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 10 minutes.
- What is the best time of day to fly from PDX to ANC?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 8 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PDX to ANC?
- The scheduled PDX–ANC flight time averages 3h 52m over 1,542 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are PDX to ANC flights cancelled?
- 0.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from PDX to ANC?
- December 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was April 2026 at 90%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 1,560 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.