PlainFlights

Airport · SFB · Sanford, Florida

Sanford, FL

Sanford, FL posts bottom-quartile on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 113,898 flights (2020–2025); its biggest delay driver is carrier.

Data updated 2026-06-13

74.1%
On-time
Top 98%
on-time, US airports
83 min
Delay when late
1.99%
Cancelled

Key Performance Metrics

Total Flights

113,898

Best Month

Sep 90.3%

Worst Month

Jul 84.8%

Delayed

29,554

Cancelled

2,266

SFB on-time rate vs. the national average

Behind the U.S. average across all 382 tracked airports.

0%100%U.S. average79%74.1%

Where SFB sits among all 382 tracked airports

SFB's 74.1% on-time rate falls in the 70-75% band, the 9-airport band it shares.

National on-time-rate distribution

airports

What this shows SFB is marked in the 70-75% band.

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 974,855.

Late Aircraft 35.5% (345,616 min)
Carrier 35.6% (346,655 min)
NAS (National Aviation System) 15.6% (152,457 min)
Weather 13.1% (127,780 min)
Security 0.2% (2,347 min)

SFB - seasonal on-time pattern

Best: September (90.3%) · worst: July (84.8%)

84%86%88%90%92% JanFebMarAprMayJunJulAugSepOctNovDec 87.7%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: September (90.3% on-time). Most delays: July (84.8% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 1,707 471 13 87.7%
November 1,395 338 9 89.3%
October 1,469 347 16 89.5%
September 970 211 11 90.3%
August 1,423 391 14 87.8%
July 1,979 673 18 84.8%
June 1,849 586 12 85.6%
May 1,593 361 88 90%
April 1,587 353 106 89.8%
March 2,033 486 63 89.6%
February 1,556 381 13 89.4%
January 1,423 330 16 89.7%

Year-Over-Year Performance

Annual flight volume and on-time trends at SFB.

SFB - on-time rate by year

2020–2025, year-over-year trend.

80%85%90%95%100% 202020212022202320242025 94.2% 85.7% ▼ -9.0%
Year Flights Delayed Cancelled On-Time %
2025 20,992 3,001 46 85.7%
2024 19,000 2,169 156 88.6%
2023 18,205 2,147 40 88.2%
2022 18,320 2,524 332 86.2%
2021 19,368 2,266 229 88.3%
2020 18,013 1,044 1,463 94.2%

Cancellation & Diversion Analysis

Flight disruption statistics for Sanford, FL.

Cancellation Rate

1.99%

2,266 of 113,898 flights

Diversion Rate

0.18%

208 of 113,898 flights

Delay Rate

25.9%

29,554 of 113,898 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2025 1,936 263 366 8 3
Nov 2025 1,546 196 260 2 3
Oct 2025 1,718 220 294 0 4
Sep 2025 1,074 108 147 0 0
Aug 2025 1,576 254 325 1 3
Jul 2025 2,149 428 525 4 4
Jun 2025 2,084 357 446 5 3
May 2025 1,762 282 344 3 1
Apr 2025 1,770 242 285 1 3
Mar 2025 2,173 243 298 8 4
Feb 2025 1,608 199 257 3 1
Jan 2025 1,596 209 237 11 0
Dec 2024 1,845 318 341 6 5
Nov 2024 1,390 135 152 0 1
Oct 2024 1,519 127 132 71 2
Sep 2024 1,002 97 125 4 1
Aug 2024 1,390 177 207 18 1
Jul 2024 2,015 278 339 16 1
Jun 2024 1,941 274 296 12 3
May 2024 1,553 164 206 3 2
Apr 2024 1,507 110 133 9 1
Mar 2024 1,834 218 262 7 1
Feb 2024 1,516 132 162 0 1
Jan 2024 1,488 139 182 10 3

Top Routes from SFB

Busiest routes to and from 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 connecting 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.

Frequently Asked Questions

What is the on-time performance rate at Sanford, FL (SFB)?
Sanford, FL has an overall on-time departure rate of 74.1%. Out of 113,898 total flights tracked, 29,554 experienced delays and 2,266 were cancelled.
What is the most common cause of delays at SFB?
The top delay cause at Sanford, FL is Carrier. Carrier accounts for 35.6% of all delay minutes.
What is the average delay time at SFB?
The average delay at Sanford, FL is 82.6 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from SFB?
Based on historical data, September has the best on-time performance at SFB with 90.3% of flights departing on time.
What is the worst month for delays at SFB?
July tends to have the most delays at SFB, with an on-time rate of only 84.8%.
How many routes operate from SFB?
Sanford, FL serves at least 10 routes. The busiest route is SFB to ABE (Sanford - Allentown/Bethlehem/Easton) with 3,302 flights.
What is the cancellation rate at SFB?
Sanford, FL has a cancellation rate of 1.99%, based on 2,266 cancelled flights out of 113,898 total flights tracked.

Explore PlainFlights

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using SFB's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

  • Check the busiest route from SFB before you book a connection. See top routes
  • Travel in September rather than July if your dates are flexible. Seasonal patterns
  • Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.