Historical on-time performance
Louisville to Philadelphia
Flights on SDF–PHL arrive on time 86% of the time over the last 12 months.
based on 380 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Republic AirwaysOn-time90%Medianon timep9010 minCancel0.8%Flights263
- PSA AirlinesOn-time76%Medianon timep9060 minCancel0.0%Flights117
Why flights run late
Delay causes
- Airline46%
- Weather1%
- Air traffic (NAS)9%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather50%
- Air traffic (NAS)50%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SDF → PHL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 70% to 89% on time.
- Middays89% on time · p90 10 min · 336 flights
- Mornings89% on time · p90 15 min · 646 flights
- Evenings74% on time · p90 60 min · 224 flights
- Afternoons70% on time · p90 55 min · 196 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Saturdays87% on time · p90 15 min · 155 flights · limited
- Wednesdays87% on time · p90 20 min · 191 flights · limited
- Tuesdays87% on time · p90 15 min · 180 flights · limited
- Fridays83% on time · p90 20 min · 217 flights
- Sundays83% on time · p90 35 min · 221 flights
- Mondays82% on time · p90 30 min · 217 flights
- Thursdays80% on time · p90 30 min · 221 flights
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