Historical on-time performance
Newark to Louisville
642 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–SDF arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled4.6%of scheduled flights
based on 868 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time78%Medianon timep9040 minCancel4.6%Flights868
Why flights run late
Delay causes
- Airline24%
- Weather1%
- Air traffic (NAS)25%
- Late aircraft50%
- 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 EWR → 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 68% to 88% on time.
- Mornings88% on time · p90 15 min · 469 flights
- Middays87% on time · p90 20 min · 673 flights
- Afternoons81% on time · p90 30 min · 478 flights
- Evenings80% on time · p90 40 min · 712 flights
- Overnights68% on time · p90 80 min · 644 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 84% on time.
- Wednesdays84% on time · p90 25 min · 434 flights
- Saturdays84% on time · p90 30 min · 360 flights
- Tuesdays83% on time · p90 30 min · 432 flights
- Mondays81% on time · p90 40 min · 440 flights
- Thursdays78% on time · p90 40 min · 432 flights
- Sundays77% on time · p90 45 min · 441 flights
- Fridays76% on time · p90 40 min · 437 flights
Advertisement
Keep exploring