Historical on-time performance
Louisville to Phoenix
1,506 miData through May 2026Source: US DOT · BTS
Flights on SDF–PHX arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 312 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time81%Medianon timep9030 minCancel1.0%Flights312
Why flights run late
Delay causes
- Airline43%
- Weather1%
- Air traffic (NAS)10%
- Late aircraft46%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather67%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 → PHX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 162 flights · limited
- Middays82% on time · p90 25 min · 381 flights
- Afternoons78% on time · p90 35 min · 289 flights
- Evenings72% on time · p90 50 min · 215 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Saturdays83% on time · p90 20 min · 172 flights · limited
- Mondays83% on time · p90 25 min · 143 flights · limited
- Thursdays80% on time · p90 25 min · 145 flights · limited
- Wednesdays79% on time · p90 35 min · 143 flights · limited
- Tuesdays79% on time · p90 35 min · 143 flights · limited
- Sundays79% on time · p90 45 min · 163 flights · limited
- Fridays76% on time · p90 30 min · 144 flights · limited
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