Southwest Airlines is the most reliable airline on the HOU to SJU route with a 54% on-time rate. Based on 185 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: HOU to SJU
Houston to San Juan — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines54%
HOU to SJU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 54% | 0.5% | 50m | 185 |
Route Overview
55%
Overall On-Time
51m
Avg Delay
0.5%
Cancel Rate
185
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.