Southwest Airlines is the most reliable airline on the SAN to BWI route with a 79% on-time rate, compared to Spirit Airlines at 69%. Based on 3,172 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAN to BWI
San Diego to Baltimore — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines79%
Spirit Airlines69%
SAN to BWI Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 79% | 0.9% | 49m | 3,172 |
| Spirit AirlinesNKWorst | 69% | 0.8% | 66m | 107 |
Route Overview
79%
Overall On-Time
50m
Avg Delay
0.9%
Cancel Rate
3,282
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.