--- title: "Islip (ISP) to Boston (BOS) flights: who flies it" description: "Cape Air flies Islip (ISP) to Boston (BOS) nonstop about 24 times a week, scheduled at 1h 20m to 1h 25m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/isp-bos" url: "https://2lnr.com/routes/isp-bos.md" date_modified: "2026-10-18T05:10:47Z" --- # Islip to Boston (ISP-BOS): nonstop flights and who flies them Cape Air flies nonstop between Islip (ISP) and Boston (BOS), roughly 24 times a week. In the timetable below it flies as 9K 210, 9K 212, and 9K 214, scheduled at 1h 20m to 1h 25m for the 153 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See ISP to BOS on the interactive map [Get started free](https://2lnr.com/login) 24 Flights a week, 4-week average 1h 20m to 1h 25m Scheduled flight time 153 mi Nonstop distance Free To get started ## Islip to Boston flight schedule Scheduled nonstop departures for ISP to BOS starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Islip (ISP) to Boston (BOS) | Date | Flight | Airline | Departs ISP | Arrives BOS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Thu, Oct 22 | 9K 212 | Cape Air | 09:59 | 11:24 | 1h 25m | CNA | | Thu, Oct 22 | 9K 214 | Cape Air | 12:30 | 13:50 | 1h 20m | T12 | | Fri, Oct 23 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Fri, Oct 23 | 9K 212 | Cape Air | 09:59 | 11:19 | 1h 20m | T12 | | Fri, Oct 23 | 9K 214 | Cape Air | 12:30 | 13:50 | 1h 20m | T12 | | Sat, Oct 24 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Sat, Oct 24 | 9K 212 | Cape Air | 09:59 | 11:24 | 1h 25m | CNA | | Sun, Oct 25 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Sun, Oct 25 | 9K 212 | Cape Air | 09:59 | 11:19 | 1h 20m | T12 | | Sun, Oct 25 | 9K 214 | Cape Air | 12:30 | 13:50 | 1h 20m | T12 | | Mon, Oct 26 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Mon, Oct 26 | 9K 212 | Cape Air | 09:59 | 11:24 | 1h 25m | CNA | | Mon, Oct 26 | 9K 214 | Cape Air | 12:30 | 13:50 | 1h 20m | T12 | | Tue, Oct 27 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Tue, Oct 27 | 9K 212 | Cape Air | 09:59 | 11:24 | 1h 25m | CNA | | Tue, Oct 27 | 9K 214 | Cape Air | 12:30 | 13:50 | 1h 20m | T12 | | Wed, Oct 28 | 9K 210 | Cape Air | 07:44 | 09:04 | 1h 20m | T12 | | Wed, Oct 28 | 9K 212 | Cape Air | 09:59 | 11:24 | 1h 25m | CNA | | Wed, Oct 28 | 9K 214 | Cape Air | 12:30 | 13:50 | 1h 20m | T12 | Showing all 20 scheduled ISP to BOS departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every ISP to BOS date on the interactive map ## Aircraft on the Islip to Boston nonstop Where the schedule table on this page names the aircraft, Cape Air flies the Cessna. ## The full ISP to BOS nonstop schedule This page carries the full ISP to BOS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each ISP to BOS nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See ISP to BOS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Islip to Boston nonstop Carriers operating ISP to BOS nonstop in the current schedule. - [Cape Air (9K) route map](https://2lnr.com/routes/airlines/9k.md)\ [The aircraft 9K flies](https://2lnr.com/seatmaps/9k.md) See ISP to BOS on the interactive map → ## Frequently asked questions about ISP to BOS **How long is the flight from Islip (ISP) to Boston (BOS)?** Scheduled flight times from Islip (ISP) to Boston (BOS) run from 1h 20m to 1h 25m across the departures in the schedule table on this page. The nonstop covers about 153 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ISP to BOS?** Cape Air is currently the only airline flying ISP to BOS nonstop. 2LNR doesn't show award or upgrade space for it on ISP to BOS, so this page carries the schedule rather than a space claim. **How many flights a week are there from ISP to BOS?** About 24 nonstop flights a week run between Islip (ISP) and Boston (BOS) in the current schedule, operated by Cape Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ISP to BOS depart?** Scheduled ISP to BOS nonstops in the next 7 days with service leave between 07:44 and 12:30, local time at Islip. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ISP to BOS nonstop?** In the schedule table on this page, ISP to BOS nonstops fly as 9K 210, 9K 212, and 9K 214 on Cape Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on ISP to BOS?** Not on this route: 2LNR doesn't show award or upgrade space for Cape Air on ISP to BOS. The page carries the full ISP to BOS nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [BOS to ISP nonstop flights](https://2lnr.com/routes/bos-isp.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Islip (ISP)](https://2lnr.com/routes/isp.md), or [every route from Boston (BOS)](https://2lnr.com/routes/bos.md). Nonstops to Boston (BOS) from other airports within 150 miles of Islip (ISP): - [New York (JFK) to Boston (BOS)](https://2lnr.com/routes/jfk-bos.md), 37 miles from ISP - [New York (LGA) to Boston (BOS)](https://2lnr.com/routes/lga-bos.md), 41 miles from ISP - [Newark (EWR) to Boston (BOS)](https://2lnr.com/routes/ewr-bos.md), 57 miles from ISP - [Philadelphia (PHL) to Boston (BOS)](https://2lnr.com/routes/phl-bos.md), 129 miles from ISP - [Martha's Vineyard (MVY) to Boston (BOS)](https://2lnr.com/routes/mvy-bos.md), 136 miles from ISP Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full ISP to BOS nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)