Sanford, FL

What the Data Says About SFB

Sanford, FL in Sanford, Florida handled 113,898 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 74.1% on-time departure rate. Of those flights, 29,554 experienced delays, 2,266 were cancelled, and 208 were diverted. The cancellation rate works out to 1.99%, the diversion rate to 0.18%, and the average delay when departures run late is 82.6 minutes. These figures are the baseline for comparing SFB against other airports in the same state and nationally.

Breaking down what drives delays at SFB, Carrier leads the pack. Carrier accounts for 35.6% of total delay minutes, followed by Late Aircraft at 35.5% and NAS (National Aviation System) at 15.6%. Weather contributes 13.1% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, September runs the cleanest at SFB with a 90.3% on-time rate, while July is the roughest at 84.8% — a 6-point swing between best and worst month. Volume peaks in March, when average flights hit 2,033. The busiest route from SFB is to ABE (Allentown/Bethlehem/Easton), with 3,302 flights at a 76.3% on-time rate. Combine these numbers — 74.1% on-time, 82.6-minute average delay, 1.99% cancellation rate — and you have a concrete picture of departure reliability at Sanford, FL.