Historical on-time performance
Louisville to Phoenix
1,506 miData through Dec 2025Source: US DOT · BTS
Flights on SDF–PHX arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 313 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time80%Medianon timep9030 minCancel0.3%Flights313
Why flights run late
Delay causes
- Airline27%
- Weather7%
- Air traffic (NAS)11%
- Late aircraft55%
- 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 → PHX
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 — 92% on time.
- Mornings92% on time · p90 10 min · 117 flights · limited
- Middays82% on time · p90 25 min · 351 flights
- Afternoons78% on time · p90 35 min · 275 flights
- Evenings66% on time · p90 55 min · 187 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Saturdays83% on time · p90 25 min · 166 flights · limited
- Mondays82% on time · p90 25 min · 122 flights · limited
- Thursdays80% on time · p90 25 min · 123 flights · limited
- Wednesdays79% on time · p90 35 min · 122 flights · limited
- Sundays78% on time · p90 45 min · 154 flights · limited
- Tuesdays78% on time · p90 45 min · 122 flights · limited
- Fridays74% on time · p90 35 min · 121 flights · limited
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