Home / Routes / KGSP → KIAH854 scheduled

The route from Greenville Spartanburg International Airport (KGSP) in Greenville to George Bush Intercontinental Houston Airport (KIAH) in Houston. SkyMeter tracks roughly 854 scheduled flights on this route across 3 carriers. The most active operator is UAL (UAL). Average block time is 2h 22m. Departures average 21 minutes off schedule, with 25% running more than 15 minutes late. The most common aircraft on this route is the EMBRAER Embraer 175 long wing.

Scheduled
854
last 493 days
ADS-B observed
156
Airlines
3
Avg dep delay
21m
Late >15 min
25.3%
Cancel rate
9.95%

Recent observed flights

From ADS-B trace data

2026-09-08 11:16  →  2026-09-08 13:16  ·  1h 59m
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2026-09-06 11:16  →  2026-09-06 13:07  ·  1h 50m
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2026-09-05 11:07  →  2026-09-05 12:58  ·  1h 50m
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2026-09-04 11:08  →  2026-09-04 12:55  ·  1h 47m
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2026-09-03 21:32  →  2026-09-03 23:23  ·  1h 50m
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2026-09-03 11:05  →  2026-09-03 13:07  ·  2h 1m
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2026-09-02 21:34  →  2026-09-02 23:27  ·  1h 53m
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2026-09-02 11:09  →  2026-09-02 13:14  ·  2h 4m
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2026-09-01 11:25  →  2026-09-01 13:17  ·  1h 51m
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2026-08-31 21:28  →  2026-08-31 23:28  ·  1h 59m
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Codeshare partnerships

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

sells UAL 654
sells UAL 358

Looking for the return flight?

View KIAH → KGSP