United Airlines is the most reliable airline on the IAD to SYR route with a 81% on-time rate, compared to Republic Airways at 80%. Based on 54 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAD to SYR
Washington to Syracuse — airline reliability comparison
On-Time Rate by Airline
United Airlines81%
Republic Airways80%
IAD to SYR Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 81% | 0.0% | 50m | 54 |
| Republic AirwaysYXWorst | 80% | 1.3% | 62m | 101 |
Route Overview
82%
Overall On-Time
50m
Avg Delay
0.6%
Cancel Rate
157
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.