Southwest Airlines is the most reliable airline on the PIT to SAN route with a 67% on-time rate. Based on 34 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PIT to SAN
Pittsburgh to San Diego — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines67%
PIT to SAN Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 67% | 0.0% | 53m | 34 |
Route Overview
68%
Overall On-Time
52m
Avg Delay
0%
Cancel Rate
34
Total Flights
Flying out of PIT? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.