Historical on-time performance
Louisville to Fort Lauderdale
895 miData through Dec 2025Source: US DOT · BTS
Flights on SDF–FLL arrive on time 90% of the time over the last 12 months.
On-time rate90%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled3.3%of scheduled flights
based on 30 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesOn-time90%Medianon timep9010 minCancel3.3%Flights30
Why flights run late
Delay causes
- Airline0%
- Weather66%
- Air traffic (NAS)8%
- Late aircraft26%
- Security0%
Most delay minutes here are attributed to Weather.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SDF → FLL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 20 min · 172 flights · limited
- Middays72% on time · p90 50 min · 579 flights
- Evenings67% on time · p90 85 min · 307 flights
- Afternoons65% on time · p90 90 min · 55 flights · limited
- Overnights65% on time · p90 80 min · 116 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 75% on time.
- Thursdays75% on time · p90 55 min · 130 flights · limited
- Mondays74% on time · p90 50 min · 290 flights
- Tuesdays73% on time · p90 70 min · 98 flights · limited
- Sundays73% on time · p90 85 min · 165 flights · limited
- Saturdays70% on time · p90 45 min · 143 flights · limited
- Fridays68% on time · p90 60 min · 295 flights
- Wednesdays67% on time · p90 45 min · 108 flights · limited
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