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Flights Greenville → Houston

GSP → IAH

7.7
Average risk (Low)
91%
On-time
8 min
Average delay
1.2%
Cancellations
1
Airlines

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Greenville (GSP) → Houston (IAH) route is operated by United Airlines. Across 161 flights monitored in recent months, 91% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 1.24%. FlightGuard's average computed risk is 7.7/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Greenville the average ATFM delay is 2.0 minutes.

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Airline punctuality on this route

Airline On-time Average delay Cancellations
United Airlines (UA) 81% 6 min 1.9%

Airlines operating GSP-IAH

Frequently asked questions about GSP-IAH

On the Greenville (GSP) -> Houston (IAH) route, on-time performance is 91% with an average delay of 8 minutes, based on 161 tracked flights.

The cancellation rate on Greenville-Houston is 1.24% across 161 monitored flights.

The route is operated by 1 airline: United Airlines.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.