Southwest Airlines is the most reliable airline on the TUS to SAN route with a 81% on-time rate. Based on 2,208 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: TUS to SAN
Tucson to San Diego — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
TUS to SAN Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 0.4% | 57m | 2,208 |
Route Overview
81%
Overall On-Time
57m
Avg Delay
0.4%
Cancel Rate
2,208
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.