United Airlines is the most reliable airline on the IAD to SAV route with a 90% on-time rate, compared to Republic Airways at 86%. Based on 143 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAD to SAV
Washington to Savannah — airline reliability comparison
On-Time Rate by Airline
United Airlines90%
Republic Airways86%
IAD to SAV Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 90% | 1.3% | 90m | 143 |
| Republic AirwaysYXWorst | 86% | 0.0% | 61m | 219 |
Route Overview
84%
Overall On-Time
117m
Avg Delay
0.7%
Cancel Rate
418
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.