Historical on-time performance
Louisville to Houston
803 miData through Dec 2025Source: US DOT · BTS
Flights on SDF–HOU arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 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-time77%Medianon timep9040 minCancel0.0%Flights122
Why flights run late
Delay causes
- Airline10%
- Weather0%
- Air traffic (NAS)31%
- Late aircraft58%
- 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 SDF → HOU
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 75% to 83% on time.
- Middays83% on time · p90 20 min · 427 flights
- Evenings76% on time · p90 45 min · 163 flights · limited
- Afternoons75% on time · p90 40 min · 291 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 86% on time.
- Tuesdays86% on time · p90 25 min · 126 flights · limited
- Thursdays82% on time · p90 30 min · 146 flights · limited
- Mondays80% on time · p90 30 min · 146 flights · limited
- Wednesdays80% on time · p90 30 min · 123 flights · limited
- Fridays79% on time · p90 25 min · 150 flights · limited
- Saturdays75% on time · p90 55 min · 116 flights · limited
- Sundays72% on time · p90 40 min · 149 flights · limited
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