Southwest Airlines is the most reliable airline on the BNA to STL route with a 83% on-time rate. Based on 4,555 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to STL
Nashville to St. Louis — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines83%
BNA to STL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 83% | 1.1% | 50m | 4,555 |
Route Overview
83%
Overall On-Time
50m
Avg Delay
1.1%
Cancel Rate
4,555
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.