United Airlines is the most reliable airline on the IAD to RSW route with a 87% on-time rate. Based on 1,844 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAD to RSW
Washington to Fort Myers — airline reliability comparison
On-Time Rate by Airline
United Airlines87%
IAD to RSW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 87% | 0.9% | 75m | 1,844 |
Route Overview
86%
Overall On-Time
74m
Avg Delay
0.9%
Cancel Rate
1,844
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.