SFB (Sanford) to GSP (Greenville) flights arrive on time 57% of the time. The most reliable airline on this route is Allegiant Air at 57%. The average delay is 72 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.SFB → GSP
SFB (Sanford) to GSP (Greenville)
SFB → GSP on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is frequently delayed. About 57% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Accurate?
Good to know
Departing from SFB
71% on timeTSA is currently ~7 min. Best time: 4 AM (about 5 min).
Arriving at GSP
83% on timeWhen flights into GSP are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at GSP: TSA is ~11 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.