FlightRecord

Louisville (SDF) to Sanford (SFB): On-Time Performance

Data through July 2026

Louisville (SDF) to Sanford (SFB) is a thinner route than most in this dataset — 127 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 49% arrived on time, noticeably below the national average of 78%.

On-time
49%
arrived <15 min late
Avg delay
61 min
completed flights
Cancelled
2.2%
Flights/day
0.35
last 12 months
Duration
1h 59m
scheduled
Distance
698 mi

Monthly on-time trend

Monthly on-time percentage for SDF to SFB flights50%75%100%August 2024: 73% on-time (11 flights)73Aug 2024September 2024: 56% on-time (9 flights)56October 2024: 55% on-time (13 flights)55November 2024: 56% on-time (9 flights)56Nov 2024December 2024: 0% on-time (9 flights)0January 2025: 75% on-time (9 flights)75February 2025: 38% on-time (8 flights)38Feb 2025March 2025: 33% on-time (10 flights)33April 2025: 11% on-time (9 flights)11May 2025: 50% on-time (12 flights)50May 2025June 2025: 53% on-time (17 flights)53July 2025: 61% on-time (18 flights)61August 2025: 67% on-time (12 flights)67Aug 2025September 2025: 67% on-time (9 flights)67October 2025: 36% on-time (14 flights)36November 2025: 50% on-time (10 flights)50Nov 2025December 2025: 40% on-time (10 flights)40January 2026: 57% on-time (8 flights)57February 2026: 50% on-time (8 flights)50Feb 2026March 2026: 44% on-time (10 flights)44April 2026: 60% on-time (10 flights)60May 2026: 82% on-time (11 flights)82May 2026June 2026: 25% on-time (12 flights)25July 2026: 15% on-time (13 flights)15

Best time to fly from SDF to SFB

Aim for departures around 3 p.m. (55% on-time); avoid 9 p.m. departures (25%).

On-time percentage by scheduled departure hour, SDF to SFB9 a.m.: 92% on-time (25 flights)93 p.m.: 55% on-time (56 flights)154 p.m.: 57% on-time (22 flights)168 p.m.: 47% on-time (32 flights)209 p.m.: 25% on-time (100 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday50%16 min
Tuesdaybest86%6 min
Thursday48%69 min
Saturday52%50 min
Sunday42%70 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft63%
  • Airline operations21%
  • National airspace system7%
  • Weather8%

Frequently asked questions

How often are flights from SDF to SFB delayed?
51% of SDF–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 61 minutes.
What is the best time of day to fly from SDF to SFB?
Departures around 3 p.m. have the best record (55% on-time), while departures around 9 p.m. have the worst (25%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SDF to SFB?
The scheduled SDF–SFB flight time averages 1h 59m over 698 miles. Actual arrival times vary — flights on this route land 15+ minutes late 51% of the time.
How often are SDF to SFB flights cancelled?
2.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.

Based on 277 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.