12 destinations have scheduled flights from ISP, about 116 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| Baltimore/Washington International Thurgood Marshall (BWI) | 23 | Southwest Airlines Co. | — |
| Palm Beach International Airport (PBI) | 21 | JetBlue, Southwest Airlines Co. | — |
| Orlando International (MCO) | 20 | Southwest Airlines Co., Frontier Airlines, Inc. | — |
| Fort Lauderdale–Hollywood International (FLL) | 12 | JetBlue | — |
| Tampa International (TPA) | 12 | Frontier Airlines, Inc., JetBlue | — |
| Fort Myers (RSW) | 9 | Mexicana, JetBlue | — |
| Logan International (BOS) | 7 | Hyannis Air Service, Inc. d/b/a Cap | — |
| Vero Beach (VRB) | 4 | Mexicana | — |
| Charleston, AFB Municipal (CHS) | 2 | Mexicana | — |
| Wilmington International (ILM) | 2 | Mexicana | — |
| Norfolk (ORF) | 2 | Mexicana | — |
| Raleigh-durham International Airport (RDU) | 2 | Mexicana | — |
GET /routes returns each scheduled flight from ISP: airline, flight number, departure and arrival time, duration, days of operation and aircraft type.
https://www.goflightlabs.com/routes?access_key=YOUR_ACCESS_KEY&dep_iata=ISP
That URL still says YOUR_ACCESS_KEY.
A 7-day trial replaces it with a real key. After the trial, Starter is $24.99/mo.