Home / Routes / KIAH → KIAD2,264 scheduled

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to Washington Dulles International Airport (KIAD) in Washington, DC. SkyMeter tracks roughly 2,264 scheduled flights on this route across 21 carriers. The most active operator is UAL (UAL). Average block time is 2h 56m. Departures average 37 minutes off schedule, with 72% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
2,264
last 473 days
ADS-B observed
534
Airlines
21
Avg dep delay
37m
Late >15 min
71.6%
Cancel rate
1.33%

Recent observed flights

From ADS-B trace data

2026-08-18 22:03  →  2026-08-19 00:44  ·  2h 40m
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2026-08-18 17:19  →  2026-08-18 19:52  ·  2h 32m
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2026-08-18 12:56  →  2026-08-18 19:20  ·  6h 23m
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2026-08-18 12:37  →  2026-08-18 15:19  ·  2h 42m
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2026-08-18 01:09  →  2026-08-18 03:37  ·  2h 28m
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2026-08-17 22:01  →  2026-08-18 00:39  ·  2h 37m
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2026-08-17 20:11  →  2026-08-17 22:52  ·  2h 40m
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2026-08-17 17:29  →  2026-08-17 20:07  ·  2h 37m
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2026-08-17 12:59  →  2026-08-17 19:28  ·  6h 28m
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2026-08-17 12:35  →  2026-08-17 15:21  ·  2h 45m
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Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells UAL 1855
sells UAL 718
sells UAL 360
sells UAL 359
sells UAL 310
sells UAL 103
sells UAL 36
sells UAL 1
sells UAL 1

Looking for the return flight?

View KIAD → KIAH