Direct flights from Islip (ISP)
In July 2026, 6 airlines flew nonstop from ISP to 14 destinations, with about 127 departures a week.
- Nonstop destinations
- Airlines
- Departures a week, July 2026
Nonstop destinations from ISP
| Destination | Airlines | Flights a week | Distance | Flight time |
|---|---|---|---|---|
| BWI BaltimoreUnited States | Southwest Airlines | 32 | 220 mi354 km | 1h 11m |
| MCO OrlandoUnited States | Southwest Airlines, JetBlue, Frontier Airlines | 26 | 971 mi1,563 km | 2h 48m |
| BOS BostonUnited States | Cape Air | 21 | 153 mi246 km | 56m |
| FLL Fort LauderdaleUnited States | JetBlue | 10 | 1,092 mi1,757 km | 2h 58m |
| MYR Myrtle BeachUnited States | Breeze Airways, Frontier Airlines | 7 | 586 mi943 km | 1h 56m |
| TPA TampaUnited States | Frontier Airlines, Southwest Airlines | 5 | 1,034 mi1,664 km | 2h 59m |
| USA ConcordUnited States | Avelo Airlines | 4 | 557 mi896 km | 2h 1m |
| RDU Raleigh/DurhamUnited States | Breeze Airways | 4 | 459 mi739 km | 1h 41m |
| CHS CharlestonUnited States | Breeze Airways | 4 | 666 mi1,072 km | 2h 6m |
| RSW Fort MyersUnited States | Breeze Airways | 3 | 1,101 mi1,772 km | 3h 7m |
| ORF NorfolkUnited States | Breeze Airways | 3 | 317 mi510 km | 1h 24m |
| ILM WilmingtonUnited States | Breeze Airways | 3 | 522 mi840 km | 1h 48m |
| VRB Vero BeachUnited States | Breeze Airways | 2 | 997 mi1,605 km | 2h 52m |
| RIC RichmondUnited States | Breeze Airways | 2 | 320 mi515 km | 1h 23m |
ISP departure punctuality
From September 2025 to August 2026, 75% of 5,016 US domestic departures left within 15 minutes of schedule, 2.2% were cancelled, and planes took 13 minutes on average from the gate to take-off. The busiest hour is 6am to 7am; the most punctual departures leave around 5am.
| Scheduled departure | Departures | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 261 | 95% | |
| 6am to 7am | 670 | 94% | |
| 7am to 8am | 222 | 88% | |
| 8am to 9am | 111 | 87% | |
| 9am to 10am | 205 | 91% | |
| 10am to 11am | 326 | 82% | |
| 11am to 12pm | 423 | 85% | |
| 12pm to 1pm | 482 | 74% | |
| 1pm to 2pm | 301 | 63% | |
| 2pm to 3pm | 280 | 55% | |
| 3pm to 4pm | 501 | 60% | |
| 4pm to 5pm | 418 | 69% | |
| 5pm to 6pm | 395 | 59% | |
| 6pm to 7pm | 166 | 60% | |
| 7pm to 8pm | 113 | 61% |
Source: US Department of Transportation, On-Time Performance data (domestic flights of the reporting airlines).
Seasonal or recently ended
Flown in the last 12 months, but not regularly in July 2026.
| Destination | Flights (12 months) | Distance | Flight time |
|---|---|---|---|
| SRQ Sarasota/BradentonUnited States | 52 | 1,069 mi1,720 km | 3h 10m |
| LAL LakelandUnited States | 17 | 1,018 mi1,638 km | 2h 49m |
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026. Flights a week are averaged over July 2026; flight time is the average gate-to-gate time.