Portsmouth to Islip (PSM–ISP) — Airlines, Schedules & Connections

PSM Airport Page →
airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 3 1-stop flights
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 3 hubs
MCO Orlando 14h 57m MX B6F9WN Orlando (MCO) to Islip flights
RDU Raleigh/Durham 19h 16m MX MX Raleigh/Durham (RDU) to Islip flights
RSW Fort Myers ~8h 28m MX Fort Myers (RSW) to Islip flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Portsmouth to Islip
Connecting service available through multiple hubs.

While no nonstop service exists between PSM and ISP, 1-stop connecting options are available.

Connection Landscape

1-stop and 2-stop options for PSM to ISP.
1-STOP
One-Stop Connections
3
Hubs
~8h
Fastest
~19h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
24
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
PSM → ISP
100%
Generally reliable. Most flights run on time.
Arriving
100%
Return
ISP → PSM
100%
Generally reliable. Most flights run on time.
Departing
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ISP delays →

Other ways to reach Islip from Portsmouth

Nearby airports with service to Long Island MacArthur Airport.
Metric PSM→ISP BOS→ISP
Distance from PSM 50 mi
Nonstop airlines 3
Weekly flights 24
Airports within 200 miles of PSM with service to Long Island MacArthur Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
Islip is 0 hours the same as Portsmouth.
PSM: EDT · ISP: EDT

When it's 6:00 PM in Portsmouth, it's 6:00 PM in Islip.

PSM–ISP Quick Facts

Key statistics for the Portsmouth to Islip route.
Route details
Time difference0 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: PSM
IATA / ICAOPSM / KPSM
TimezoneAmerica/New_York
Passengers/yr0.2M
Elevation100 ft / 30 m
Destination: ISP
IATA / ICAOISP / KISP
TimezoneAmerica/New_York
Passengers/yr1.4M
Elevation99 ft / 30 m

Frequently Asked Questions

Common questions about PSM to ISP flights.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Orlando and Raleigh-Durham.
Yes, return flights from ISP to PSM are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BOS. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Orlando and Raleigh-Durham. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Boston (BOS).