Flights Fort Lauderdale → Islip
FLL → ISP
Route overview
The flight route from Fort Lauderdale to Islip has a punctuality rate of 69%, with an average delay of 19 minutes. Over the course of a year, approximately 1,580,000 passengers pass through the destination airport, indicating significant traffic and demand for this connection.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Fort Lauderdale (FLL) → Islip (ISP) route is operated by Southwest Airlines. Across 131 flights monitored in recent months, 70% arrived on time (within 15 min of schedule), with an average delay of 18 minutes. The cancellation rate is 3.82%. FlightGuard's average computed risk is 28.1/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Islip the average ATFM delay is 3.5 minutes (main cause: airspace/NAS (BTS)). Departing from Fort Lauderdale the average ATFM delay is 2.0 minutes.
Heading to Islip: what to expect in this direction
Flying from Fort Lauderdale (FLL) to Islip (ISP) heads north for about 1,762 km, a flight time of roughly 2h 37m.
Departures from Fort Lauderdale on this leg cluster in the midday window: about 63% of FLL-ISP flights take off then.
Air-traffic congestion: departing Fort Lauderdale the average ATFM delay is 2.0 min (atfm); arriving into Islip it is 3.5 min (airspace/NAS (BTS)).
Across 131 tracked FLL-ISP flights, 70% left on time with an average delay of 18 min and a 3.8% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating FLL-ISP
Airports
Frequently asked questions about FLL-ISP
On the Fort Lauderdale (FLL) -> Islip (ISP) route, on-time performance is 70% with an average delay of 18 minutes, based on 131 tracked flights.
The cancellation rate on Fort Lauderdale-Islip is 3.82% across 131 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Islip, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
