Greer (GSP) to Sanford (SFB): On-Time Performance
Data through July 2026
Greer (GSP) to Sanford (SFB) is a thinner route than most in this dataset — 133 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 57% arrived on time, noticeably below the national average of 78%.
- On-time
- 57%
- arrived <15 min late
- Avg delay
- 42 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.36
- 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 8 a.m. (88% on-time); avoid 4 p.m. departures (39%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 31 min |
| Tuesday | 65% | 17 min |
| Thursday | 52% | 43 min |
| Fridaybest | 82% | 8 min |
| Saturday | 50% | 21 min |
| Sunday | 55% | 51 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft71%
- Airline operations17%
- National airspace system9%
- Weather3%
Frequently asked questions
- How often are flights from GSP to SFB delayed?
- 44% of GSP–SFB 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 42 minutes.
- What is the best time of day to fly from GSP to SFB?
- Departures around 8 a.m. have the best record (88% on-time), while departures around 4 p.m. have the worst (39%). 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 44% of the time.
- How often are GSP to SFB flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
Explore related pages
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Other ways to fly to Sanford (SFB)
Related guides
Based on 257 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.