Showing Southwest only (incl. its regional partners)All airlines ×
3 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines
No nonstop, and no clear pattern: the best connection reaches Islip on time 9 times in 10.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
No Southwest flight on this route ran 150+ times in the year.
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Southwest | FLL | ISP | – | 33%few flights | 0.0% | 3 | Not flying now |
Alternatives with one stop
All connections →| SouthwestDetails → | FLL 06:25 → BWI 08:55WN 396 | 1h 45m Baltimore | BWI 10:40 → ISP 11:50WN 4691 | 5h 25m | 98% | 90% |
| SouthwestDetails → | FLL 08:00 → BWI 10:30WN 1651 | 2h 50m Baltimore | BWI 13:20 → ISP 14:30WN 966 | 6h 30m | 100% | 74% |
| SouthwestDetails → | FLL 10:45 → BWI 13:15WN 1853 | 2h 50m Baltimore | BWI 16:05 → ISP 17:15WN 4126 | 6h 30m | 100% | 63% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON