Southwest Airlines is the most reliable airline on the SJU to FLL route with a 82% on-time rate, compared to Spirit Airlines at 70%. Based on 1,417 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SJU to FLL
San Juan to Fort Lauderdale — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines82%
Frontier Airlines80%
JetBlue Airways75%
Spirit Airlines70%
SJU to FLL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 82% | 0.3% | 49m | 1,417 |
| Frontier AirlinesF9 | 80% | 3.6% | 61m | 216 |
| JetBlue AirwaysB6 | 75% | 0.8% | 85m | 5,188 |
| Spirit AirlinesNKWorst | 70% | 1.7% | 74m | 1,527 |
Route Overview
75%
Overall On-Time
79m
Avg Delay
1.1%
Cancel Rate
8,437
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.