OnTimeStats

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 Airlines
    On-time90%
    Medianon time
    p9010 min
    Cancel3.3%
    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
Advertisement

Keep exploring

Related pages

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.