JetBlue Airways is the most reliable airline on the PBI to ISP route with a 79% on-time rate, compared to Frontier Airlines at 64%. Based on 801 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PBI to ISP
West Palm Beach to Islip — airline reliability comparison
On-Time Rate by Airline
JetBlue Airways79%
Southwest Airlines79%
Frontier Airlines64%
PBI to ISP Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 79% | 0.9% | 65m | 801 |
| Southwest AirlinesWN | 79% | 0.6% | 61m | 2,227 |
| Frontier AirlinesF9Worst | 64% | 4.1% | 78m | 698 |
Route Overview
76%
Overall On-Time
67m
Avg Delay
1.3%
Cancel Rate
3,759
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.