United Airlines is the most reliable airline on the IAD to ANC route with a 76% on-time rate. Based on 265 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAD to ANC
Washington to Anchorage — airline reliability comparison
On-Time Rate by Airline
United Airlines76%
IAD to ANC Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 76% | 2.3% | 49m | 265 |
Route Overview
74%
Overall On-Time
54m
Avg Delay
2.6%
Cancel Rate
265
Total Flights
Flying out of IAD? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.