Southwest Airlines is the most reliable airline on the BNA to BHM route with a 79% on-time rate. Based on 782 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to BHM
Nashville to Birmingham — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
BNA to BHM Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 1.0% | 45m | 782 |
Route Overview
78%
Overall On-Time
46m
Avg Delay
0.9%
Cancel Rate
782
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.