Frontier Airlines is the most reliable airline on the ISP to RSW route with a 78% on-time rate, compared to JetBlue Airways at 63%. Based on 225 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: ISP to RSW
Islip to Fort Myers — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines78%
JetBlue Airways63%
ISP to RSW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 78% | 3.0% | 90m | 225 |
| JetBlue AirwaysB6Worst | 63% | 2.9% | 53m | 98 |
Route Overview
73%
Overall On-Time
76m
Avg Delay
2.7%
Cancel Rate
330
Total Flights
Flying out of ISP? 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.