Home / Routes / KIAH → KSFO4,152 scheduled

The route from George Bush Intercontinental Houston Airport (KIAH) in Houston to San Francisco International Airport (KSFO) in San Francisco. SkyMeter tracks roughly 4,152 scheduled flights on this route across 10 carriers. The most active operator is UAL (UAL). Average block time is 4h 2m. Departures average 37 minutes off schedule, with 67% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 9.

Scheduled
4,152
last 473 days
ADS-B observed
820
Airlines
10
Avg dep delay
37m
Late >15 min
66.8%
Cancel rate
0.63%

Recent observed flights

From ADS-B trace data

2026-08-20 19:58  →  2026-08-20 23:20  ·  3h 21m
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2026-08-20 19:01  →  2026-08-20 22:19  ·  3h 17m
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2026-08-20 03:26  →  2026-08-20 07:01  ·  3h 34m
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2026-08-19 17:55  →  2026-08-19 21:23  ·  3h 27m
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2026-08-19 15:38  →  2026-08-19 19:01  ·  3h 22m
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2026-08-18 19:58  →  2026-08-18 23:25  ·  3h 26m
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2026-08-18 18:35  →  2026-08-18 22:10  ·  3h 34m
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2026-08-18 15:32  →  2026-08-18 18:53  ·  3h 20m
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2026-08-18 13:49  →  2026-08-18 17:21  ·  3h 32m
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2026-08-18 12:39  →  2026-08-18 16:10  ·  3h 30m
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Codeshare partnerships

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

sells UAL 3533
sells UAL 3303
sells UAL 805
sells UAL 359
sells UAL 340
sells UAL 203
sells UAL 1
sells UAL 1

Looking for the return flight?

View KSFO → KIAH