Historical on-time performance
Louisville to Miami
911 miData through Dec 2025Source: US DOT · BTS
Flights on SDF–MIA arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 339 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time81%Medianon timep9035 minCancel1.5%Flights339
Why flights run late
Delay causes
- Airline81%
- Weather1%
- Air traffic (NAS)9%
- Late aircraft9%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SDF → MIA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 69% to 79% on time.
- Mornings79% on time · p90 40 min · 1,097 flights
- Middays73% on time · p90 50 min · 66 flights · limited
- Evenings69% on time · p90 50 min · 235 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 79% on time.
- Fridays79% on time · p90 40 min · 203 flights
- Mondays79% on time · p90 30 min · 200 flights
- Wednesdays78% on time · p90 45 min · 185 flights · limited
- Tuesdays78% on time · p90 40 min · 191 flights · limited
- Saturdays77% on time · p90 50 min · 234 flights
- Thursdays76% on time · p90 35 min · 206 flights
- Sundays74% on time · p90 55 min · 205 flights
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