Southwest Airlines is the most reliable airline on the DAL to SAT route with a 81% on-time rate. Based on 10,028 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DAL to SAT
Dallas to San Antonio — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
DAL to SAT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 1.3% | 53m | 10,028 |
Route Overview
81%
Overall On-Time
53m
Avg Delay
1.3%
Cancel Rate
10,028
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.