Historical on-time performance
Houston to Louisville
803 miData through Dec 2025Source: US DOT · BTS
Flights on HOU–SDF arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 122 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time70%Medianon timep9070 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline27%
- Weather3%
- Air traffic (NAS)21%
- Late aircraft49%
- 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 HOU → SDF
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 80% on time.
- Middays80% on time · p90 35 min · 380 flights
- Afternoons74% on time · p90 40 min · 529 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 79% on time.
- Mondays79% on time · p90 50 min · 146 flights · limited
- Tuesdays79% on time · p90 45 min · 126 flights · limited
- Wednesdays79% on time · p90 40 min · 123 flights · limited
- Thursdays78% on time · p90 40 min · 147 flights · limited
- Fridays77% on time · p90 30 min · 149 flights · limited
- Sundays76% on time · p90 45 min · 149 flights · limited
- Saturdays67% on time · p90 40 min · 116 flights · limited
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