Flights Houston → Greenville
HOU → GSP
Route overview
The flight route from Houston to Greenville has an on-time performance rate of 85%, with an average delay of just 3.9 minutes per flight. Over the course of a year, approximately two million passengers pass through the destination airport, indicating significant traffic and demand for air travel in the region.
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 Houston (HOU) → Greenville (GSP) route is operated by Southwest Airlines. Across 26 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 4 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 7/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Greenville the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 2.0 minutes.
Heading to Greenville: what to expect in this direction
Flying from Houston (HOU) to Greenville (GSP) heads north-east for about 1,358 km, a flight time of roughly 2h 7m.
Departures from Houston on this leg cluster in the morning window: about 88% of HOU-GSP flights take off then.
Air-traffic congestion: departing Houston the average ATFM delay is 2.0 min (atfm); arriving into Greenville it is 2.0 min (atfm).
Across 26 tracked HOU-GSP flights, 85% left on time with an average delay of 4 min and a 0.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating HOU-GSP
Airports
Frequently asked questions about HOU-GSP
On the Houston (HOU) -> Greenville (GSP) route, on-time performance is 85% with an average delay of 4 minutes, based on 26 tracked flights.
The cancellation rate on Houston-Greenville is 0.00% across 26 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Greenville, 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.
