Flights Islip → Fort Lauderdale
ISP → FLL
Route overview
The flight route from Islip to Fort Lauderdale has a 72% on-time performance rate, with an average delay of 27.6 minutes when flights are not on time. Over the course of a year, this route sees approximately 107 flights, serving a destination airport that handles about 31,686,404 passengers annually.
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 Islip (ISP) → Fort Lauderdale (FLL) route is operated by Southwest Airlines. Across 131 flights monitored in recent months, 71% arrived on time (within 15 min of schedule), with an average delay of 31 minutes. The cancellation rate is 3.05%. FlightGuard's average computed risk is 25.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Fort Lauderdale the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Islip the average ATFM delay is 3.5 minutes.
Heading to Fort Lauderdale: what to expect in this direction
Flying from Islip (ISP) to Fort Lauderdale (FLL) heads south-west for about 1,762 km, a flight time of roughly 2h 37m.
Departures from Islip on this leg cluster in the morning window: about 37% of ISP-FLL flights take off then.
Air-traffic congestion: departing Islip the average ATFM delay is 3.5 min (airspace/NAS (BTS)); arriving into Fort Lauderdale it is 2.0 min (atfm).
Across 131 tracked ISP-FLL flights, 71% left on time with an average delay of 31 min and a 3.0% 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 ISP-FLL
Airports
Frequently asked questions about ISP-FLL
On the Islip (ISP) -> Fort Lauderdale (FLL) route, on-time performance is 71% with an average delay of 31 minutes, based on 131 tracked flights.
The cancellation rate on Islip-Fort Lauderdale is 3.05% 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 Fort Lauderdale, 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.
