Islip (ISP) to West Palm Beach (PBI)
Flight time
≈ 2h 54m
Bearing
204° SW
Islip (ISP) to West Palm Beach (PBI) is 1,054 miles (1,696 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ISP–PBI
US DOT T-100 · filed dataIn April 2026, JetBlue Airways operated the most departures, one of 3 carriers flying nonstop ISP–PBI; the Airbus A320 was the most common aircraft at 57% of departures; flights ran 81% full.
Departures
208
April 2026
Seats
35,886
both directions
Passengers
29,024
both directions
Load factor
80.9%
passengers ÷ seats
Who flies ISP–PBI?
JetBlue Airways operated the most nonstop ISP–PBI departures in April 2026 (118), one of 3 carriers on the route.
- B6
JetBlue Airways
118 departures · 19,116 seats
Share of departures56.7%80.7%
Load
- WN
Southwest Airlines
66 departures · 11,512 seats
Share of departures31.7%82.0%
Load
- F9
Frontier Airlines
24 departures · 5,258 seats
Share of departures11.5%79.1%
Load
What plane flies ISP–PBI?
In April 2026, the Airbus A320 flew 57% of ISP–PBI departures — more than any other aircraft type.
- Airbus A320
119 departures · 80.8% load
57.2% - Boeing 737 MAX 8
34 departures · 84.8% load
16.4% - Boeing 737-800
31 departures · 79.0% load
14.9% - Airbus A321neo
14 departures · 74.2% load
6.7% - Airbus A320neo
8 departures · 87.5% load
3.9% - Airbus A321
1 departures · 87.4% load
0.5% - Boeing 737-700
1 departures · 79.6% load
0.5%
How has ISP–PBI traffic changed?
Nonstop ISP–PBI departures fell from 224 in May 2025 to 208 in April 2026.
Monthly nonstop ISP–PBI traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
224 departures · 27,412 passengers
70.8%
Load
June 2025
205 departures · 24,745 passengers
74.8%
Load
July 2025
183 departures · 24,849 passengers
87.5%
Load
August 2025
175 departures · 25,508 passengers
89.6%
Load
September 2025
173 departures · 22,234 passengers
78.4%
Load
October 2025
182 departures · 23,854 passengers
77.2%
Load
November 2025
195 departures · 25,111 passengers
76.2%
Load
December 2025
262 departures · 35,164 passengers
77.5%
Load
January 2026
251 departures · 32,165 passengers
76.1%
Load
February 2026
250 departures · 32,974 passengers
77.6%
Load
March 2026
192 departures · 27,672 passengers
86.7%
Load
April 2026
208 departures · 29,024 passengers
80.9%
Load
By direction
The DOT files each direction separately — they rarely match.
PBI → ISP
83.4% full
105 departures · 15,111 passengers
ISP → PBI
78.3% full
103 departures · 13,913 passengers
Nonstop ISP–PBI traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Islip (ISP) from West Palm Beach (PBI)?
ISP to PBI is 1,054 miles (1,696 km / 916 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ISP to PBI?
A nonstop covers the 1,054-mile great-circle distance in roughly 2h 54m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ISP–PBI?
In April 2026, the Airbus A320 flew the largest share of departures (57.2%), followed by the Boeing 737 MAX 8 (16.4%).
What mileage do I earn flying ISP–PBI?
Distance-based programs credit off the 1,054-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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