Historical on-time performance
Louisville to Miami
910 miData through May 2026Source: US DOT · BTS
Flights on SDF–MIA arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled2.4%of scheduled flights
based on 340 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time84%Medianon timep9030 minCancel2.4%Flights340
Why flights run late
Delay causes
- Airline85%
- Weather0%
- Air traffic (NAS)5%
- Late aircraft10%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather75%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. 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 SDF → MIA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 80% on time.
- Mornings80% on time · p90 35 min · 1,097 flights
- Evenings66% on time · p90 65 min · 185 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.
- Fridays81% on time · p90 35 min · 192 flights · limited
- Wednesdays80% on time · p90 35 min · 176 flights · limited
- Thursdays78% on time · p90 40 min · 192 flights · limited
- Mondays78% on time · p90 30 min · 187 flights · limited
- Saturdays78% on time · p90 50 min · 227 flights
- Tuesdays77% on time · p90 40 min · 182 flights · limited
- Sundays73% on time · p90 55 min · 194 flights · limited
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