Sanford (SFB) to Louisville (SDF): On-Time Performance
Data through May 2026
Sanford (SFB) to Louisville (SDF) 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, 56% arrived on time, noticeably below the national average of 78%.
- On-time
- 56%
- arrived <15 min late
- Avg delay
- 36 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 0.38
- last 12 months
- Duration
- 2h 8m
- scheduled
- Distance
- 698 mi
Monthly on-time trend
Best time to fly from SFB to SDF
Aim for departures around 12 p.m. (50% on-time); avoid 6 p.m. departures (35%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 50% | 20 min |
| Tuesdaybest | 85% | 10 min |
| Thursday | 50% | 38 min |
| Saturday | 74% | 14 min |
| Sunday | 48% | 50 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations26%
- National airspace system13%
- Weather26%
Frequently asked questions
- How often are flights from SFB to SDF delayed?
- 44% of SFB–SDF 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 36 minutes.
- What is the best time of day to fly from SFB to SDF?
- Departures around 12 p.m. have the best record (50% on-time), while departures around 6 p.m. have the worst (35%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFB to SDF?
- The scheduled SFB–SDF flight time averages 2h 8m over 698 miles. Actual arrival times vary — flights on this route land 15+ minutes late 44% of the time.
- How often are SFB to SDF flights cancelled?
- 2.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
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Based on 270 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.