Historical on-time performance
Charlotte to Louisville
336 miData through Dec 2025Source: US DOT · BTS
Flights on CLT–SDF arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.3%of scheduled flights
based on 1,728 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- PSA AirlinesOn-time73%Medianon timep9050 minCancel2.6%Flights869
- American AirlinesOn-time71%Medianon timep9055 minCancel2.0%Flights859
Why flights run late
Delay causes
- Airline32%
- Weather9%
- Air traffic (NAS)12%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLT → SDF
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 65% to 82% on time.
- Middays82% on time · p90 35 min · 1,208 flights
- Mornings81% on time · p90 25 min · 787 flights
- Afternoons72% on time · p90 60 min · 966 flights
- Overnights66% on time · p90 80 min · 1,808 flights
- Evenings65% on time · p90 80 min · 842 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 78% on time.
- Wednesdays78% on time · p90 45 min · 801 flights
- Tuesdays77% on time · p90 45 min · 765 flights
- Mondays73% on time · p90 60 min · 831 flights
- Fridays71% on time · p90 65 min · 824 flights
- Thursdays71% on time · p90 60 min · 823 flights
- Saturdays70% on time · p90 65 min · 729 flights
- Sundays68% on time · p90 75 min · 840 flights
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