Flights Islip → Boston
ISP → BOS
Route overview
The flight route connects Islip to Boston, operating with a Saab SF340A/B aircraft. The destination airport in Boston sees an annual passenger traffic of over thirty-six million passengers, indicating its significance as a major travel hub.
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) → Boston (BOS) route is operated by Alaska Airlines. FlightGuard's average computed risk is 29.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Islip the average ATFM delay is 3.5 minutes.
Heading to Boston: what to expect in this direction
Flying from Islip (ISP) to Boston (BOS) heads north-east for about 246 km, a flight time of roughly 44m.
Air-traffic congestion: departing Islip the average ATFM delay is 3.5 min (airspace/NAS (BTS)); arriving into Boston it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating ISP-BOS
Airports
Frequently asked questions about ISP-BOS
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 1 airline: Alaska Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Boston, 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.
