Southwest Airlines is the most reliable airline on the BWI to BNA route with a 80% on-time rate, compared to Spirit Airlines at 71%. Based on 6,732 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BWI to BNA
Baltimore to Nashville — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines80%
Spirit Airlines71%
BWI to BNA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 80% | 1.3% | 54m | 6,732 |
| Spirit AirlinesNKWorst | 71% | 2.7% | 77m | 108 |
Route Overview
80%
Overall On-Time
55m
Avg Delay
1.2%
Cancel Rate
6,840
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.