Islip (ISP) to Raleigh/Durham (RDU)
Flight time
≈ 1h 43m
Bearing
224° SW
Islip (ISP) to Raleigh/Durham (RDU) is 458 miles (738 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ISP–RDU
Filed traffic dataIn July 2026, Breeze Airways was the only carrier flying nonstop ISP–RDU; the Airbus A220-300 was the most common aircraft at 100% of departures; flights ran 94% full.
Departures
39
July 2026
Seats
5,343
both directions
Passengers
5,027
both directions
Load factor
94.1%
RPM ÷ ASM
Who flies ISP–RDU?
Breeze Airways was the only carrier to fly nonstop ISP–RDU in July 2026 (39 departures).
- MX
39 departures · 5,343 seats
Share of departures100.0%94.1%
Load
What plane flies ISP–RDU?
In July 2026, the Airbus A220-300 flew 100% of ISP–RDU departures.
- Airbus A220-300
39 departures · 94.1% load
100.0%
How has ISP–RDU traffic changed?
Nonstop ISP–RDU departures rose from 26 in August 2025 to 39 in July 2026.
Monthly nonstop ISP–RDU traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
26 departures · 2,578 passengers
90.9%
Load
September 2025
18 departures · 1,688 passengers
84.3%
Load
October 2025
18 departures · 1,701 passengers
87.5%
Load
November 2025
16 departures · 1,460 passengers
84.5%
Load
December 2025
18 departures · 1,706 passengers
87.8%
Load
January 2026
34 departures · 2,473 passengers
59.8%
Load
February 2026
30 departures · 2,696 passengers
67.5%
Load
March 2026
33 departures · 3,417 passengers
75.6%
Load
April 2026
32 departures · 3,629 passengers
82.8%
Load
May 2026
40 departures · 4,649 passengers
86.7%
Load
June 2026
44 departures · 5,163 passengers
86.5%
Load
July 2026
39 departures · 5,027 passengers
94.1%
Load
By direction
Each direction is filed separately — they rarely match.
RDU → ISP
94.7% full
21 departures · 2,724 passengers
ISP → RDU
93.4% full
18 departures · 2,303 passengers
Nonstop ISP–RDU traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Islip (ISP) from Raleigh/Durham (RDU)?
ISP to RDU is 458 miles (738 km / 398 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ISP to RDU?
A nonstop covers the 458-mile great-circle distance in roughly 1h 43m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ISP–RDU?
In July 2026, the Airbus A220-300 flew the largest share of departures (100.0%).
What mileage do I earn flying ISP–RDU?
Distance-based programs credit off the 458-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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