Islip to Philadelphia Flights ISP → PHL

Long Island Mac Arthur Airport → Philadelphia International Airport

🇺🇸 Islip, US → 🇺🇸 Philadelphia, US

The Islip to Philadelphia route connects Long Island Mac Arthur Airport (ISP) in US with Philadelphia International Airport (PHL) in US. This short-haul flight covers approximately 251 miles (404 km) with a typical flight time of 39m. This route is served by 4 airlines: EXECUTIVE FLITEWAYS, Frontier Airlines, Wheels Up Private Jets and others. AirportRoutes has tracked 2 daily flights on this route.

Departure Airport

Long Island Mac Arthur Airport

ICAO Code:
KISP
IATA Code:
ISP
City:
🇺🇸 Islip
Country:
US
Elevation:
99 ft

Destination Airport

Philadelphia International Airport

ICAO Code:
KPHL
IATA Code:
PHL
City:
🇺🇸 Philadelphia
Country:
US
Elevation:
36 ft

4

Operators

2

Daily Flights

251

Miles

39m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
EXECUTIVE FLITEWAYS XFL -
Frontier FFT F9
Wheels Up Private Jets WUP -
Liberty Jet LRT -

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 0 0%
Wednesday 1 20%
Thursday 2 40%
Friday 0 0%
Saturday 0 0%
Sunday 2 40%

Pattern Analysis

2 Daily Flights:
FFT9889 WUP903
Data Points: 5
API observations used to build this analysis
Weekdays: 3 flights
Weekend: 2 flights
Business Route More active on weekdays

All Flight Routes

4 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
- E55P -
M T W T F S S
Nov 19, 2025 Active
Frontier
FFT / F9
FFT9889 A20N 19:30 7:30 PM (Representative)
M T W T F S S
Dec 28, 2025 Active
- CL60 -
M T W T F S S
Oct 1, 2025 Active
WUP903 C750 12:55 12:55 PM (Representative)
M T W T F S S
Dec 4, 2025 Active
Total Routes: 4
Active Routes: 4
Unique Airlines: 4
Aircraft Types: 4

Spotted Departure Times

Departure Time Operator ICAO IATA
12:55 12:55 PM Wheels Up Private Jets WUP -
19:30 7:30 PM Frontier FFT F9

Time Information

Times are shown in the departure airport's local timezone (KISP - America/New_York).

Total Departure Times: 2
Time Range:
12:55 - 19:30
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.