JetBlue Airways is the most reliable airline on the FLL to ISP route with a 81% on-time rate, compared to Frontier Airlines at 67%. Based on 584 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: FLL to ISP
Fort Lauderdale to Islip — airline reliability comparison
On-Time Rate by Airline
JetBlue Airways81%
Frontier Airlines67%
FLL to ISP Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 81% | 1.1% | 51m | 584 |
| Frontier AirlinesF9Worst | 67% | 3.9% | 72m | 543 |
Route Overview
72%
Overall On-Time
65m
Avg Delay
2.3%
Cancel Rate
1,203
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.