Sanford (SFB) to Lexington (LEX): On-Time Performance
Data through May 2026
Sanford (SFB) to Lexington (LEX) is a thinner route than most in this dataset — 229 departures over the past year, roughly 4 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 51% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 3% of scheduled flights never departed.
- On-time
- 51%
- arrived <15 min late
- Avg delay
- 39 min
- completed flights
- Cancelled
- 3.0%
- Flights/day
- 0.63
- last 12 months
- Duration
- 1h 58m
- scheduled
- Distance
- 667 mi
Monthly on-time trend
Best time to fly from SFB to LEX
Aim for departures around 1 p.m. (60% on-time); avoid 7 p.m. departures (33%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 51% | 35 min |
| Tuesday | 53% | 28 min |
| Wednesday | 58% | 29 min |
| Thursday | 50% | 45 min |
| Friday | 38% | 54 min |
| Saturdaybest | 63% | 26 min |
| Sunday | 45% | 46 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations40%
- National airspace system11%
- Weather15%
Frequently asked questions
- How often are flights from SFB to LEX delayed?
- 49% of SFB–LEX 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 39 minutes.
- What is the best time of day to fly from SFB to LEX?
- Departures around 1 p.m. have the best record (60% on-time), while departures around 7 p.m. have the worst (33%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFB to LEX?
- The scheduled SFB–LEX flight time averages 1h 58m over 667 miles. Actual arrival times vary — flights on this route land 15+ minutes late 49% of the time.
- How often are SFB to LEX 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.
- What day of the week is most reliable for SFB to LEX?
- Saturday flights have the best record at 63% on-time. Day-of-week differences on this route are meaningful — Friday trails at 38%.
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Based on 438 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.