Historical on-time performance
Louisville to Las Vegas
1,624 miData through Dec 2025Source: US DOT · BTS
Flights on SDF–LAS arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.3%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-time87%Medianon timep9015 minCancel0.3%Flights308
Why flights run late
Delay causes
- Airline33%
- Weather14%
- Air traffic (NAS)25%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SDF → LAS
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 60% to 85% on time.
- Middays85% on time · p90 20 min · 302 flights
- Mornings84% on time · p90 20 min · 663 flights
- Afternoons78% on time · p90 35 min · 271 flights
- Overnights64% on time · p90 80 min · 77 flights · limited
- Evenings60% on time · p90 60 min · 138 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 81% on time.
- Tuesdays81% on time · p90 35 min · 170 flights · limited
- Thursdays81% on time · p90 30 min · 209 flights
- Wednesdays81% on time · p90 25 min · 188 flights · limited
- Sundays81% on time · p90 20 min · 233 flights
- Fridays78% on time · p90 45 min · 219 flights
- Saturdays78% on time · p90 30 min · 212 flights
- Mondays77% on time · p90 35 min · 220 flights
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