JetBlue FLL to ISP on-time performance
JetBlue nonstop flights from Fort Lauderdale to Islip · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
2.1%
8 flights
Avg arrival delay
19 min
65 min when late
Rank on route
#1 of 3
route average 71% on time
Key facts
- JetBlue flights on FLL to ISP arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 2.1% were cancelled, and 11% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (48%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion15%
- Extreme weather3%
- Security0%
Other airlines on FLL to ISP
- Frontier Airlines44% on time · 50 min avg delay
- Southwest Airlines33% on time · 12 min avg delay
Full FLL to ISP comparison →
JetBlue on-time record across all routes →
384 JetBlue flights tracked on this route; 8 cancelled, 3 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.