Flights Boston → Islip
BOS → ISP
Route overview
The flight route operates between Boston and Islip, using the Saab SF340A/B aircraft. The destination airport in Islip sees approximately 1,580,000 passengers per year, indicating a moderate level of traffic and activity.
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 Boston (BOS) → Islip (ISP) route is operated by Alaska Airlines. FlightGuard's average computed risk is 14.9/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Islip the average ATFM delay is 3.5 minutes (main cause: airspace/NAS (BTS)). Departing from Boston the average ATFM delay is 2.0 minutes.
Heading to Islip: what to expect in this direction
Flying from Boston (BOS) to Islip (ISP) heads south-west for about 246 km, a flight time of roughly 44m.
Air-traffic congestion: departing Boston the average ATFM delay is 2.0 min (atfm); arriving into Islip it is 3.5 min (airspace/NAS (BTS)).
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 BOS-ISP
Airports
Frequently asked questions about BOS-ISP
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 Islip, 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.
