Southwest Airlines is the most reliable airline on the BNA to SAN route with a 76% on-time rate. Based on 3,075 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BNA to SAN
Nashville to San Diego — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines76%
BNA to SAN Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 76% | 0.6% | 49m | 3,075 |
Route Overview
76%
Overall On-Time
50m
Avg Delay
0.5%
Cancel Rate
3,075
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.