Route
IAD → ANC
Washington Dulles International Airport Ted Stevens Anchorage International Airport
How punctual is this route?
- On-time arrivals
- 70.1%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 110
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 45%
- Airline (crew, maintenance, cleaning) 34%
- Extreme weather 15%
- Late-arriving aircraft 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.7% | 7 |
| May 2026 | 90.9% | 11 |
| June 2026 | 86.7% | 30 |
| July 2026 | 46.4% | 31 |
| August 2026 | 64.5% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 110 | 70.1% | 1.8% | 62 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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UA2073
30% late · 110 flights
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