Frontier Airlines is the most reliable airline on the RSW to ISP route with a 72% on-time rate, compared to JetBlue Airways at 70%. Based on 226 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RSW to ISP
Fort Myers to Islip — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines72%
JetBlue Airways70%
RSW to ISP Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 72% | 2.9% | 80m | 226 |
| JetBlue AirwaysB6Worst | 70% | 3.9% | 51m | 98 |
Route Overview
71%
Overall On-Time
74m
Avg Delay
3%
Cancel Rate
331
Total Flights
Flying out of RSW? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.