Route Reliability
Washington → Anchorage
IAD–ANC · 3,356 miles · Washington Dulles International Airport to Ted Stevens Anchorage International Airport
61
A Little Dicey
WanderNerd Reliability Score
- 65%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 0.9%
- Cancelled
- 109
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 65% of the time across 109 flights. No comparison to make.
What the data says
Wednesdays have been rough.
IAD–ANC flights arrived on time 80% of the time on Tuesdays and just 53% on Wednesdays. That gap is worth planning around.
The breakdown
- Mon71%(14 flights)
- Tue80%(15 flights)
- Wed53%(15 flights)
- Thu69%(16 flights)
- Fri57%(14 flights)
- Sat56%(16 flights)
- Sun65%(17 flights)
91%
May
Jun 52% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 52% | 29 |
| July 2025 | 48% | 29 |
| August 2025 | 77% | 31 |
| May 2026 | 91% | 11 |
Keep nerding
Based on 109 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.