Flights Greenville → Houston
GSP → HOU
Route overview
The flight route from Greenville to Houston operates with a high level of punctuality, with 90% of flights arriving on time. Over the past year, there have been an average of only 2.3 minutes delay per flight out of the total 20 flights recorded. This route serves one of the busiest airports in terms of annual passenger traffic, handling nearly 13,908,466 passengers annually at its destination.
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 (HOU) route is operated by Southwest Airlines. Across 26 flights monitored in recent months, 92% arrived on time (within 15 min of schedule), with an average delay of 2 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 5/100 (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.
Heading to Houston: what to expect in this direction
Flying from Greenville (GSP) to Houston (HOU) heads west for about 1,358 km, a flight time of roughly 2h 7m.
Departures from Greenville on this leg cluster in the morning window: about 58% of GSP-HOU flights take off then.
Air-traffic congestion: departing Greenville the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 26 tracked GSP-HOU flights, 92% left on time with an average delay of 2 min and a 0.0% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating GSP-HOU
Airports
Frequently asked questions about GSP-HOU
On the Greenville (GSP) -> Houston (HOU) route, on-time performance is 92% with an average delay of 2 minutes, based on 26 tracked flights.
The cancellation rate on Greenville-Houston 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 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.
