Greer (GSP) to Sanford (SFB): On-Time Performance
Data through May 2026
Greer (GSP) to Sanford (SFB) is a thinner route than most in this dataset — 116 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 50% arrived on time, noticeably below the national average of 78%.
- On-time
- 50%
- arrived <15 min late
- Avg delay
- 49 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 0.32
- last 12 months
- Duration
- 1h 24m
- scheduled
- Distance
- 426 mi
Monthly on-time trend
Best time to fly from GSP to SFB
Aim for departures around 3 p.m. (46% on-time); avoid 4 p.m. departures (37%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 50% | 88 min |
| Tuesdaybest | 61% | 18 min |
| Thursday | 48% | 48 min |
| Friday | 0% | 43 min |
| Saturday | 50% | 21 min |
| Sunday | 51% | 56 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft66%
- Airline operations21%
- National airspace system9%
- Weather4%
Frequently asked questions
- How often are flights from GSP to SFB delayed?
- 50% of GSP–SFB flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 49 minutes.
- What is the best time of day to fly from GSP to SFB?
- Departures around 3 p.m. have the best record (46% on-time), while departures around 4 p.m. have the worst (37%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GSP to SFB?
- The scheduled GSP–SFB flight time averages 1h 24m over 426 miles. Actual arrival times vary — flights on this route land 15+ minutes late 50% of the time.
- How often are GSP to SFB flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
Explore related pages
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Based on 232 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.