Southwest Airlines is the most reliable airline on the DCA to AUS route with a 60% on-time rate. Based on 1,307 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to AUS
Washington to Austin — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines60%
DCA to AUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 60% | 0.8% | 57m | 1,307 |
Route Overview
60%
Overall On-Time
57m
Avg Delay
0.8%
Cancel Rate
1,307
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.