Historical on-time performance
New York to Louisville
659 miData through May 2026Source: US DOT · BTS
Flights on LGA–SDF arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled3.8%of scheduled flights
based on 1,024 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time74%Medianon timep9060 minCancel3.8%Flights1,024
Why flights run late
Delay causes
- Airline21%
- Weather11%
- Air traffic (NAS)25%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline31%
- Weather21%
- Air traffic (NAS)49%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 39 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 LGA → SDF
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 — 90% on time.
- Mornings90% on time · p90 10 min · 1,067 flights
- Middays87% on time · p90 15 min · 1,370 flights
- Afternoons85% on time · p90 15 min · 125 flights · limited
- Evenings75% on time · p90 55 min · 1,659 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 87% on time.
- Saturdays87% on time · p90 15 min · 301 flights
- Tuesdays85% on time · p90 15 min · 674 flights
- Wednesdays84% on time · p90 30 min · 674 flights
- Thursdays84% on time · p90 25 min · 678 flights
- Fridays81% on time · p90 40 min · 677 flights
- Mondays81% on time · p90 30 min · 676 flights
- Sundays78% on time · p90 40 min · 543 flights
Keep exploring