SFB (Sanford) to GRR (Grand Rapids) flights arrive on time 73% of the time. The most reliable airline on this route is Allegiant Air at 73%. The average delay is 87 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated August 2026.SFB → GRR
SFB (Sanford) to GRR (Grand Rapids)
SFB → GRR on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is delayed fairly often. About 73% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Accurate?
Good to know
Departing from SFB
70% on timeTSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at GRR
78% on timeWhen flights into GRR are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at GRR: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Allegiant Air owes you — refund rights, action plan, complaint email. Free.
Flying out of SFB? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
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Data last updated August 2026. Source: Bureau of Transportation Statistics.