Historical on-time performance
Sanford to Lexington KY
667 miData through May 2026Source: US DOT · BTS
Flights on SFB–LEX arrive on time 45% of the time over the last 12 months.
On-time rate45%arrived within 15 min
p90 delay145 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 66 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Allegiant AirOn-time45%Median15 minp90145 minCancel0.0%Flights66
Why flights run late
Delay causes
- Airline31%
- Weather37%
- Air traffic (NAS)8%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Weather.
When flights don't go
Why flights were cancelled
- Airline75%
- Weather25%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 8 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFB → LEX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 61% on time.
- Middays61% on time · p90 85 min · 206 flights
- Evenings43% on time · p90 125 min · 291 flights
Best day of week
Saturdays are the most reliable day to fly this route — 72% on time.
- Saturdays72% on time · p90 70 min · 111 flights · limited
- Mondays54% on time · p90 115 min · 101 flights · limited
- Thursdays54% on time · p90 115 min · 120 flights · limited
- Fridays54% on time · p90 120 min · 102 flights · limited
- Sundays52% on time · p90 140 min · 120 flights · limited
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