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Route

Islip → Allentown

ISPIslipLong Island MacArthur Airport
ABEAllentownLehigh Valley International Airport
Distance
123 mi
Estimated flight time
~45m

Same local time in Islip and Allentown.

Observed nonstop

View the reverse route

How often does this route fly?

Frequency

Daily at most

On average around 1 flights a day, observed from October 2025 to September 2026.

1
flights per day
1.5
busiest month · Mar
1
quietest month · Oct
42 min
measured flight time
8 / 12
months seen

Through the year

Per day, month by month

  1. –Jan2026
  2. –Feb
  3. 1.5Mar
  4. 1Apr
  5. –May
  6. 1Jun
  7. 1Jul
  8. 1Aug
  9. 1Sep
  10. 1Oct2025
  11. 1Nov
  12. –Dec

Airlines

Who flies it

Lincoln Airlinesspring

Through the day

Departure times

Local time in Islip. Most departures between 07:00 and 10:00.

  1. 00:00
  2. 01:00
  3. 02:00
  4. 03:00
  5. 04:00
  6. 05:00
  7. 06:00
  8. 07:00
  9. 08:00
  10. 09:00
  11. 10:00
  12. 11:00
  13. 12:00
  14. 13:00
  15. 14:00
  16. 15:00
  17. 16:00
  18. 17:00
  19. 18:00
  20. 19:00
  21. 20:00
  22. 21:00
  23. 22:00
  24. 23:00

Through the week

By weekday

  1. 0.1Mon
  2. 0.1Tue
  3. 0.1Wed
  4. 0.1Thu
  5. 0.1Fri
  6. 0.1Sat
  7. 0.1Sun

Fleet

Aircraft observed

  1. T20618%
  2. C31013%
  3. Bombardier Challenger 600CL6010%
  4. Gulfstream VGLF58%
  5. Beechcraft King Air 300BE305%
All the numbers in a table
MonthPer daySeenAirlines
January 2026Not seen in this month.
February 2026Not seen in this month.
March 20261.53
  • Lincoln Airlines1×
April 202614
  • Lincoln Airlines1×
May 2026Not seen in this month.
June 202619–
    July 202614–
      August 202615–
        September 202617
        • Lincoln Airlines2×
        October 202514
        • Lincoln Airlines2×
        November 202513–
          December 2025Not seen in this month.

          Airlines observed on this route

          From observed callsign routes on ISP-ABE - not a booking guarantee.

          Lincoln Airlines

          LRT

          Hub: ISP Islip

          10 departure airportsView airline →

          About this route

          • Domestic route: both airports are in the same country.
          • The opposite direction has also been observed as a direct connection.
          • Direct destinations observed from Islip: 29.
          • Direct destinations observed from Allentown: 31.

          The airports on this route

          Long Island MacArthur Airport

          Islip, United StatesISP / KISP

          Regional airport · 29 direct destinations · 3 runways · longest runway 7,005 ft

          66 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center

          Airport pageAll direct destinations

          Lehigh Valley International Airport

          Allentown, United StatesABE / KABE

          Regional airport · 31 direct destinations · 2 runways · longest runway 7,598 ft

          62 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center

          Airport pageAll direct destinations

          Alternative airports for this journey

          Same journey, a different airport nearby - with an observed direct connection.

          HPN ABEWestchester County AirportWhite Plains is about 37 mi from Islip.View route →TEB ABETeterboro AirportTeterboro is about 50 mi from Islip.View route →ISP PHLPhiladelphia International AirportPhiladelphia is about 55 mi from Allentown.View route →ISP TEBTeterboro AirportTeterboro is about 73 mi from Allentown.View route →

          About the route from Islip to Allentown

          The observed direct connection between Long Island MacArthur Airport (ISP) and Lehigh Valley International Airport (ABE) covers approximately 123 mi. The estimated flight time is around 45m. Lincoln Airlines has been observed on this connection in the available route data.

          Frequently asked questions about this route

          How far is Islip from Allentown by air?
          The great-circle distance between Long Island MacArthur Airport and Lehigh Valley International Airport is approximately 123 mi.
          How long is the flight from Islip to Allentown?
          Based on the distance, the estimated flight time is about 45m. This is an estimate, not a schedule.
          Is there a direct connection from Islip to Allentown?
          Yes, a direct connection between ISP and ABE has been observed in our route data.
          Which airlines have been observed on this route?
          In the available route data: Lincoln Airlines.
          How often is there a flight from Islip to Allentown?
          On average around 1 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 39 observed flights. Mainly Lincoln Airlines. That is an observation, not a timetable.
          What is the current time difference between Islip and Allentown?
          Same local time in Islip and Allentown.

          Where this data comes from

          The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.

          The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.

          Route data updated on October 11, 2026.