United Airlines is the most reliable airline on the IAD to MSY route with a 83% on-time rate. Based on 2,268 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAD to MSY
Washington to New Orleans — airline reliability comparison
On-Time Rate by Airline
United Airlines83%
IAD to MSY Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 83% | 1.2% | 71m | 2,268 |
Route Overview
83%
Overall On-Time
71m
Avg Delay
1.2%
Cancel Rate
2,302
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.