ISP - Islip, United States

Long Island Mac Arthur Airport. 10 tracked outbound destinations across 7 carriers.

From ISP, the basic-economy floor is personal item only (no cabin bag included) on a mainline carrier (set by Alaska Airlines), 60 × 40 × 25 cm / 11 kg on a budget carrier (set by Southwest Airlines), and 55.9 × 35.6 × 22.9 cm / 15.9 kg on a ultra-budget carrier (set by Allegiant Air) .

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Your bag has to satisfy this tier's worst-case rule. Anything above is automatically fine.

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Destinations from ISP, by tier

A destination appears in a tier if at least one carrier from that tier serves it.

ULCC (1)

PGD · Punta Gorda (Allegiant Air)

LCC (5)

BWI · Baltimore (AirTran Airways, Southwest Airlines)
FLL · Fort Lauderdale (AirTran Airways, Southwest Airlines)
MCO · Orlando (AirTran Airways, Southwest Airlines)
PBI · West Palm Beach (Southwest Airlines)
TPA · Tampa (AirTran Airways, Southwest Airlines)

MAINLINE (3)

BOS · Boston (Alaska Airlines, Peninsula Airways)
DCA · Washington (American Airlines, US Airways)
PHL · Philadelphia (American Airlines, US Airways)

Carriers operating at ISP

American Airlines AA
Alaska Airlines AS
AirTran Airways (FL)
Allegiant Air G4
Peninsula Airways (KS)
US Airways (US)
Southwest Airlines WN