Washington (IAD) to Anchorage (ANC): On-Time Performance
Data through May 2026
Washington (IAD) to Anchorage (ANC) is a thinner route than most in this dataset — 109 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 75% arrived on time.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 0.30
- last 12 months
- Duration
- 7h 44m
- scheduled
- Distance
- 3,356 mi
Monthly on-time trend
Best time to fly from IAD to ANC
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 86% | 5 min |
| Tuesday | 83% | 6 min |
| Wednesday | 64% | 28 min |
| Thursday | 80% | 12 min |
| Friday | 70% | 19 min |
| Saturday | 68% | 15 min |
| Sunday | 74% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft16%
- Airline operations33%
- National airspace system30%
- Weather21%
Frequently asked questions
- How often are flights from IAD to ANC delayed?
- 25% of IAD–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 15 minutes.
- How long is the flight from IAD to ANC?
- The scheduled IAD–ANC flight time averages 7h 44m over 3,356 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are IAD to ANC flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What day of the week is most reliable for IAD to ANC?
- Monday flights have the best record at 86% on-time. Day-of-week differences on this route are meaningful — Saturday trails at 68%.
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Based on 213 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.