Southwest Airlines is the most reliable airline on the BNA to BWI route with a 82% on-time rate, compared to Spirit Airlines at 73%. Based on 6,748 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to BWI
Nashville to Baltimore — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines82%
Spirit Airlines73%
BNA to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 82% | 1.5% | 52m | 6,748 |
| Spirit AirlinesNKWorst | 73% | 2.7% | 61m | 106 |
Route Overview
81%
Overall On-Time
51m
Avg Delay
1.4%
Cancel Rate
6,855
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.