Historical on-time performance
Las Vegas to Louisville
1,624 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–SDF arrive on time 68% of the time over the last 12 months.
On-time rate68%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 308 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time68%Medianon timep9065 minCancel0.6%Flights308
Why flights run late
Delay causes
- Airline26%
- Weather2%
- Air traffic (NAS)5%
- Late aircraft67%
- 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 LAS → SDF
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 320 flights
- Middays74% on time · p90 40 min · 340 flights
- Evenings62% on time · p90 70 min · 274 flights
- Overnights60% on time · p90 60 min · 339 flights
- Afternoons56% on time · p90 75 min · 177 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 77% on time.
- Wednesdays77% on time · p90 30 min · 201 flights
- Saturdays76% on time · p90 30 min · 211 flights
- Tuesdays71% on time · p90 60 min · 170 flights · limited
- Mondays71% on time · p90 45 min · 207 flights
- Thursdays66% on time · p90 60 min · 208 flights
- Sundays66% on time · p90 75 min · 233 flights
- Fridays65% on time · p90 65 min · 220 flights
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