HOU → GSP: cancellations & delays
Over Jan 2023 - Apr 2026, 0.4% of William P. Hobby Airport (HOU) to Greenville-Spartanburg International Airport (GSP) flights were cancelled and 18.4% arrived at least 15 minutes late, across 452 flights, flown by WN. Cancellations peak in January.
Check today's live HOU departures →Airport pages: William P. Hobby Airport (HOU) · Greenville-Spartanburg International Airport (GSP)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.