Home / Routes / KIAD → KISP55 scheduled

The route from Washington Dulles International Airport (KIAD) in Washington, DC to Long Island Mac Arthur Airport (KISP) in Islip. SkyMeter tracks roughly 55 scheduled flights on this route across 16 carriers. The most active operator is XFL (XFL). Average block time is 1h 14m. Departures average 36 minutes off schedule, with 44% running more than 15 minutes late. The most common aircraft on this route is the CESSNA Cessna Citation Sovereign.

Scheduled
55
last 449 days
ADS-B observed
20
Airlines
16
Avg dep delay
36m
Late >15 min
43.6%
Cancel rate
0.00%

Recent observed flights

From ADS-B trace data

2026-08-19 17:59  →  2026-08-19 18:53  ·  54m
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2026-08-18 20:44  →  2026-08-18 22:38  ·  1h 53m
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2026-08-18 18:51  →  2026-08-18 19:51  ·  1h 0m
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2026-08-12 15:08  →  2026-08-12 19:05  ·  3h 56m
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2026-07-31 16:20  →  2026-07-31 17:18  ·  57m
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2026-07-29 12:07  →  2026-07-29 13:11  ·  1h 3m
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2026-07-28 18:46  →  2026-07-28 19:42  ·  56m
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2026-07-19 13:05  →  2026-07-19 17:16  ·  4h 11m
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2026-07-10 10:02  →  2026-07-10 11:53  ·  1h 50m
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2026-07-02 21:00  →  2026-07-02 22:07  ·  1h 6m
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View KISP → KIAD