United Airlines is the most reliable airline on the IAD to SRQ route with a 77% on-time rate, compared to Allegiant Air at 63%. Based on 317 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAD to SRQ
Washington to Sarasota — airline reliability comparison
On-Time Rate by Airline
United Airlines77%
Allegiant Air63%
IAD to SRQ Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 77% | 1.9% | 53m | 317 |
| Allegiant AirG4Worst | 63% | 3.8% | 79m | 53 |
Route Overview
77%
Overall On-Time
70m
Avg Delay
1.8%
Cancel Rate
488
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.