Southwest Airlines is the most reliable airline on the SAT to DAL route with a 84% on-time rate. Based on 10,021 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAT to DAL
San Antonio to Dallas — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines84%
SAT to DAL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 84% | 1.5% | 58m | 10,021 |
Route Overview
84%
Overall On-Time
58m
Avg Delay
1.5%
Cancel Rate
10,021
Total Flights
Flying out of SAT? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.