Historical on-time performance
New York to Louisville
659 miData through Dec 2025Source: US DOT · BTS
Flights on LGA–SDF arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled2.4%of scheduled flights
based on 1,280 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time77%Medianon timep9050 minCancel2.4%Flights1,280
Why flights run late
Delay causes
- Airline22%
- Weather11%
- Air traffic (NAS)24%
- Late aircraft43%
- 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 LGA → 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 77% to 90% on time.
- Mornings90% on time · p90 10 min · 1,121 flights
- Afternoons88% on time · p90 10 min · 107 flights · limited
- Middays87% on time · p90 15 min · 1,459 flights
- Evenings77% on time · p90 50 min · 1,785 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 88% on time.
- Saturdays88% on time · p90 15 min · 313 flights
- Tuesdays86% on time · p90 15 min · 724 flights
- Thursdays85% on time · p90 20 min · 722 flights
- Wednesdays84% on time · p90 35 min · 724 flights
- Mondays82% on time · p90 30 min · 727 flights
- Fridays82% on time · p90 40 min · 715 flights
- Sundays80% on time · p90 40 min · 549 flights
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