Houston (HOU) to Greer (GSP): On-Time Performance
Data through July 2026
Houston (HOU) to Greer (GSP) is a thinner route than most in this dataset — 173 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 0.47
- last 12 months
- Duration
- 2h 9m
- scheduled
- Distance
- 845 mi
Monthly on-time trend
Best time to fly from HOU to GSP
Aim for departures around 10 a.m. (92% on-time); avoid 1 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 13 min |
| Tuesdaybest | 93% | 4 min |
| Wednesday | 85% | 10 min |
| Thursday | 81% | 15 min |
| Friday | 71% | 11 min |
| Saturday | 80% | 8 min |
| Sunday | 83% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations39%
- National airspace system16%
- Weather6%
Frequently asked questions
- How often are flights from HOU to GSP delayed?
- 18% of HOU–GSP flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 11 minutes.
- What is the best time of day to fly from HOU to GSP?
- Departures around 10 a.m. have the best record (92% on-time), while departures around 1 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HOU to GSP?
- The scheduled HOU–GSP flight time averages 2h 9m over 845 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are HOU to GSP flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for HOU to GSP?
- Tuesday flights have the best record at 93% on-time. Day-of-week differences on this route are meaningful — Friday trails at 71%.
Explore related pages
More routes from HOU
Other ways to fly to Greer (GSP)
Related guides
Based on 337 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.