Southwest Airlines is the most reliable airline on the MKE to SAN route with a 71% on-time rate. Based on 184 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MKE to SAN
Milwaukee to San Diego — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines71%
MKE to SAN Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 71% | 0.0% | 44m | 184 |
Route Overview
73%
Overall On-Time
44m
Avg Delay
0%
Cancel Rate
184
Total Flights
Flying out of MKE? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.