2,418 km · Domestic

Phoenix Sky Harbor (PHX) – Louisville Muhammad Ali (SDF)

In July 2026, 62 flights operated between Phoenix Sky Harbor and Louisville Muhammad Ali (both directions), and 85.5% left on time, according to the US BTS.

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January6058▼ 3.3%
February56560.0%
March7069▼ 1.4%
April6265▲ 4.8%
May6967▼ 2.9%
June60600.0%
July62620.0%
August60––
September60––
October62–in progress
November57––
December62––
Year to date (Jan–Jul)439437▼ 0.5%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January86.7%87.9%▲ 1.4%
February78.6%83.9%▲ 6.7%
March77.1%78.3%▲ 1.6%
April79.0%64.6%▼ 18.2%
May69.6%80.6%▲ 15.8%
June85.0%70.0%▼ 17.6%
July72.6%85.5%▲ 17.8%
August86.7%––
September68.3%––
October80.6%–in progress
November70.2%––
December59.7%––
Year-to-date average (Jan–Jul)78.4%78.7%▲ 0.4%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January24▲ 100.0%
February00–
March01–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November1––
December0––
Year to date (Jan–Jul)25▲ 150.0%

Airlines on this route

  1. Southwest Airlines 99.3%
  2. American Airlines 0.7%

Oct 1, 2024 – Jul 31, 2026

By direction

PHX → SDF

Scheduled flights
675
Flights operated
672
Cancelled
3 · 0.4%
On-time departures
74.3%

SDF → PHX

Scheduled flights
676
Flights operated
671
Cancelled
5 · 0.7%
On-time departures
80.6%

PHX → SDF and SDF → PHX counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Southwest Airlines WN 1,341 99.3% 77.3% 8
American Airlines AA 10 0.7% 90.0% 0

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Recorded flights1,351PHX–SDF

Departure hour

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00Fewer than 200 measured departures—88
06:00Fewer than 200 measured departures—5656
07:00Fewer than 200 measured departures—6869
08:00Fewer than 200 measured departures—7575
09:00Fewer than 200 measured departures—9090
10:00Fewer than 200 measured departures—9393
11:00Fewer than 200 measured departures—100102
12:00Fewer than 200 measured departures—198199
13:00Fewer than 200 measured departures—7980
14:00Fewer than 200 measured departures—160160
15:00Fewer than 200 measured departures—6868
16:00Fewer than 200 measured departures—5960
17:00Fewer than 200 measured departures—172174
18:00Fewer than 200 measured departures—7979
19:00Fewer than 200 measured departures—1919
20:00Fewer than 200 measured departures—1919
21:00No observations———
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—187188
TuesdayFewer than 200 measured departures—187188
WednesdayFewer than 200 measured departures—188188
ThursdayFewer than 200 measured departures—191191
FridayFewer than 200 measured departures—190190
Saturday82.0%9.3 min206208
SundayFewer than 200 measured departures—194198

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—118124
FebFewer than 200 measured departures—112112
MarFewer than 200 measured departures—139140
AprFewer than 200 measured departures—127127
MayFewer than 200 measured departures—136136
JunFewer than 200 measured departures—120120
JulFewer than 200 measured departures—124124
AugFewer than 200 measured departures—6060
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—108108
NovFewer than 200 measured departures—115116
DecFewer than 200 measured departures—124124

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 77.0% 1,040
  • Delayed >15 min 22.4% 303
  • Cancelled 0.6% 8
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

12
12 of 12
Flight numbersBy direction DeparturesOn time
WN1539 PHX → SDF 50 82.0%
WN3213 PHX → SDF 50 81.6%
WN1179 PHX → SDF 42 69.1%
WN2821 SDF → PHX 42 95.1%
WN3329 PHX → SDF 42 78.6%
WN3878 PHX → SDF 42 45.2%
WN3756 PHX → SDF 36 80.6%
WN2448 SDF → PHX 34 58.8%
WN1433 SDF → PHX 33 93.8%
WN1650 PHX → SDF 33 69.7%
WN670 SDF → PHX 33 66.7%
WN695 SDF → PHX 31 96.8%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 62 +0.0% 0 85.5%
June 2026 60 +0.0% 0 70.0%
May 2026 67 −2.9% 0 80.6%
April 2026 65 +4.8% 0 64.6%
March 2026 69 −1.4% 1 78.3%
February 2026 56 +0.0% 0 83.9%
January 2026 58 −3.3% 4 87.9%
December 2025 62 +0.0% 0 59.7%
November 2025 57 −1.7% 1 70.2%
October 2025 62 +34.8% 0 80.6%
September 2025 60 0 68.3%
August 2025 60 0 86.7%
July 2025 62 0 72.6%
June 2025 60 0 85.0%
May 2025 69 0 69.6%
April 2025 62 0 79.0%
March 2025 70 0 77.1%
February 2025 56 0 78.6%
January 2025 60 2 86.7%
December 2024 62 0 69.4%
November 2024 58 0 91.4%
October 2024 46 0 82.6%

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