Southwest Airlines is the most reliable airline on the BNA to SAT route with a 82% on-time rate. Based on 2,955 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to SAT
Nashville to San Antonio — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines82%
BNA to SAT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 82% | 0.7% | 50m | 2,955 |
Route Overview
81%
Overall On-Time
51m
Avg Delay
0.7%
Cancel Rate
2,983
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.