Washington (IAD) to Anchorage (ANC): On-Time Performance
Data through July 2026
Washington (IAD) to Anchorage (ANC) is a thinner route than most in this dataset — 110 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 72% arrived on time, noticeably below the national average of 78%.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.5%
- Flights/day
- 0.30
- last 12 months
- Duration
- 7h 42m
- 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 | 82% | 6 min |
| Tuesday | 77% | 16 min |
| Wednesday | 71% | 23 min |
| Thursday | 71% | 15 min |
| Friday | 69% | 19 min |
| Saturday | 67% | 23 min |
| Sunday | 70% | 30 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft12%
- Airline operations36%
- National airspace system32%
- Weather21%
Frequently asked questions
- How often are flights from IAD to ANC delayed?
- 28% of IAD–ANC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- How long is the flight from IAD to ANC?
- The scheduled IAD–ANC flight time averages 7h 42m over 3,356 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are IAD to ANC flights cancelled?
- 2.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, 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 82% on-time. Day-of-week differences on this route are meaningful — Saturday trails at 67%.
Explore related pages
More routes from IAD
Other ways to fly to Anchorage (ANC)
Related guides
Based on 244 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.