Louisville (SDF) to Sanford (SFB): On-Time Performance
Data through May 2026
Louisville (SDF) to Sanford (SFB) is a thinner route than most in this dataset — 137 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 53% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3% of scheduled flights never departed.
- On-time
- 53%
- arrived <15 min late
- Avg delay
- 54 min
- completed flights
- Cancelled
- 3.0%
- Flights/day
- 0.38
- last 12 months
- Duration
- 1h 59m
- scheduled
- Distance
- 698 mi
Monthly on-time trend
Best time to fly from SDF to SFB
Aim for departures around 3 p.m. (56% on-time); avoid 9 p.m. departures (29%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 50% | 16 min |
| Tuesdaybest | 89% | 5 min |
| Thursday | 48% | 66 min |
| Saturday | 62% | 29 min |
| Sunday | 44% | 66 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft58%
- Airline operations26%
- National airspace system6%
- Weather10%
Frequently asked questions
- How often are flights from SDF to SFB delayed?
- 47% of SDF–SFB flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 54 minutes.
- What is the best time of day to fly from SDF to SFB?
- Departures around 3 p.m. have the best record (56% on-time), while departures around 9 p.m. have the worst (29%). 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 47% of the time.
- How often are SDF to SFB flights cancelled?
- 3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
Explore related pages
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Based on 270 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.