Charleston (CHS) to Islip (ISP)
Flight time
≈ 2h 08m
Bearing
33° NE
Charleston (CHS) to Islip (ISP) is 667 miles (1,073 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CHS–ISP
Filed traffic dataIn July 2026, Breeze Airways was the only carrier flying nonstop CHS–ISP; the Embraer E190 was the most common aircraft at 53% of departures; flights ran 91% full.
Departures
34
July 2026
Seats
4,136
both directions
Passengers
3,763
both directions
Load factor
91.0%
RPM ÷ ASM
Who flies CHS–ISP?
Breeze Airways was the only carrier to fly nonstop CHS–ISP in July 2026 (34 departures).
- MX
34 departures · 4,136 seats
Share of departures100.0%91.0%
Load
What plane flies CHS–ISP?
In July 2026, the Embraer E190 flew 53% of CHS–ISP departures — more than any other aircraft type.
- Embraer E190
18 departures · 92.5% load
52.9% - Airbus A220-300
16 departures · 89.6% load
47.1%
How has CHS–ISP traffic changed?
Nonstop CHS–ISP departures fell from 36 in August 2025 to 34 in July 2026.
Monthly nonstop CHS–ISP traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
36 departures · 4,314 passengers
87.5%
Load
September 2025
24 departures · 2,535 passengers
77.1%
Load
October 2025
29 departures · 2,716 passengers
67.5%
Load
November 2025
24 departures · 2,160 passengers
65.7%
Load
December 2025
28 departures · 2,567 passengers
68.0%
Load
January 2026
18 departures · 1,480 passengers
60.0%
Load
February 2026
14 departures · 1,231 passengers
64.2%
Load
March 2026
18 departures · 1,877 passengers
78.0%
Load
April 2026
16 departures · 1,679 passengers
78.7%
Load
May 2026
34 departures · 3,285 passengers
76.2%
Load
June 2026
34 departures · 3,356 passengers
80.0%
Load
July 2026
34 departures · 3,763 passengers
91.0%
Load
By direction
Each direction is filed separately — they rarely match.
CHS → ISP
93.8% full
17 departures · 1,939 passengers
ISP → CHS
88.2% full
17 departures · 1,824 passengers
Nonstop CHS–ISP 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 Charleston (CHS) from Islip (ISP)?
CHS to ISP is 667 miles (1,073 km / 579 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CHS to ISP?
A nonstop covers the 667-mile great-circle distance in roughly 2h 08m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CHS–ISP?
In July 2026, the Embraer E190 flew the largest share of departures (52.9%), followed by the Airbus A220-300 (47.1%).
What mileage do I earn flying CHS–ISP?
Distance-based programs credit off the 667-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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