Historical on-time performance
Dallas-Fort Worth to Louisville
733 miData through Dec 2025Source: US DOT · BTS
Flights on DFW–SDF arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled3.9%of scheduled flights
based on 1,878 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time77%Medianon timep9035 minCancel4.5%Flights426
- American AirlinesOn-time63%Medianon timep9090 minCancel3.0%Flights1,169
- PSA AirlinesOn-time67%Medianon timep90130 minCancel6.7%Flights283
Why flights run late
Delay causes
- Airline32%
- Weather6%
- Air traffic (NAS)10%
- Late aircraft52%
- 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 DFW → 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 — 85% on time.
- Mornings85% on time · p90 25 min · 1,092 flights
- Middays81% on time · p90 35 min · 1,312 flights
- Afternoons70% on time · p90 70 min · 1,821 flights
- Evenings63% on time · p90 70 min · 1,039 flights
- Overnights63% on time · p90 70 min · 870 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 79% on time.
- Tuesdays79% on time · p90 45 min · 828 flights
- Saturdays77% on time · p90 45 min · 805 flights
- Wednesdays74% on time · p90 60 min · 849 flights
- Mondays73% on time · p90 60 min · 902 flights
- Sundays72% on time · p90 60 min · 927 flights
- Fridays69% on time · p90 65 min · 908 flights
- Thursdays68% on time · p90 70 min · 915 flights
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