Southwest Airlines is the most reliable airline on the SAN to PIT route with a 52% on-time rate. Based on 34 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAN to PIT
San Diego to Pittsburgh — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines52%
SAN to PIT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 52% | 0.0% | 50m | 34 |
Route Overview
53%
Overall On-Time
51m
Avg Delay
0%
Cancel Rate
34
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.