BWI to ISP: Distance and Flight Time

How far is it from Baltimore to Islip?

The great-circle distance between Baltimore/Washington International Thurgood Marshall Airport (BWI) and Long Island MacArthur Airport (ISP) is 353 km (220 mi, 191 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.

How long is the flight from BWI to ISP?

A nonstop flight typically takes about 55m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. ISP is roughly northeast of BWI.

How is the BWI to ISP route written in code?

The pair is written BWI-ISP in IATA codes and KBWI-KISP in ICAO codes, the form used on a flight plan. Baltimore/Washington International Thurgood Marshall Airport is BWI (KBWI), Long Island MacArthur Airport is ISP (KISP).

Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.

The two fields sit at almost the same height, within 47 ft (14 m) of each other.

Airlines flying BWI to ISP

1 airline appear on this route in the open route dataset, 1 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:

A further 1 carrier sell this pair as a codeshare without operating it: FL.

Route and carrier data comes from the OpenFlights open dataset, regenerated here on 3 July 2026. It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.

Frequently asked questions

Related routes

Other routes from Baltimore (BWI):

Other routes from Islip (ISP):

BWI airport code · ISP airport code · Busiest airports worldwide