All airlines flying from Phoenix Sky Harbor (PHX) to Louisville (SDF).

FLIGHT SCHEDULE
Direct Flights:
Mon 17:15 Phoenix Sky Harbor (PHX) 4 22:30 Louisville (SDF) Southwest Airlines WN 282 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Operates only on 2026-01-05
Wed 11:35 Phoenix Sky Harbor (PHX) 4 17:55 Louisville (SDF) Southwest Airlines WN 438 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-08-05 through 2026-09-30
Sat 11:25 Phoenix Sky Harbor (PHX) 4 16:45 Louisville (SDF) Southwest Airlines WN 1584 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-01-10 through 2026-02-07
Sat 11:25 Phoenix Sky Harbor (PHX) 4 16:45 Louisville (SDF) Southwest Airlines WN 1584 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-02-14 through 2026-02-28
Sat 17:50 Phoenix Sky Harbor (PHX) 4 00:05 Louisville (SDF) Southwest Airlines WN 1650 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-03-14 through 2026-04-04 The flight arrives 1 day after departure.
Sun 18:15 Phoenix Sky Harbor (PHX) 4 00:35 Louisville (SDF) Southwest Airlines WN 1650 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-03-08 through 2026-04-05 The flight arrives 1 day after departure.
Mon,Thu,Fri 18:25 Phoenix Sky Harbor (PHX) 4 00:45 Louisville (SDF) Southwest Airlines WN 1650 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-03-09 through 2026-04-06 The flight arrives 1 day after departure.
Tue,Wed 18:30 Phoenix Sky Harbor (PHX) 4 00:50 Louisville (SDF) Southwest Airlines WN 1650 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-03-10 through 2026-04-01 The flight arrives 1 day after departure.
Sat 18:50 Phoenix Sky Harbor (PHX) 4 00:05 Louisville (SDF) Southwest Airlines WN 1650 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2026-03-07 The flight arrives 1 day after departure.
Thu,Fri 19:25 Phoenix Sky Harbor (PHX) 4 00:45 Louisville (SDF) Southwest Airlines WN 1650 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-03-05 through 2026-03-06 The flight arrives 1 day after departure.
Sat 08:50 Phoenix Sky Harbor (PHX) 4 15:10 Louisville (SDF) Southwest Airlines WN 1970 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-04-11 through 2026-05-30
Sun 10:40 Phoenix Sky Harbor (PHX) 4 17:00 Louisville (SDF) Southwest Airlines WN 1970 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-04-12 through 2026-05-17
Sun 10:40 Phoenix Sky Harbor (PHX) 4 17:00 Louisville (SDF) Southwest Airlines WN 1970 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Operates only on 2026-05-31
Sat 07:50 Phoenix Sky Harbor (PHX) 4 14:15 Louisville (SDF) Southwest Airlines WN 2475 Non-stop Boeing 737-800 (73H) 3:25 Effective 2026-03-14 through 2026-04-04
Sat 08:50 Phoenix Sky Harbor (PHX) 4 14:15 Louisville (SDF) Southwest Airlines WN 2475 Non-stop Boeing 737-800 (73H) 3:25 Operates only on 2026-03-07
Wed,Thu 12:55 Phoenix Sky Harbor (PHX) 4 18:10 Louisville (SDF) Southwest Airlines WN 2497 Non-stop Boeing 737-800 (73H) 3:15 Valid until 2026-01-01
Mon-Fri 12:10 Phoenix Sky Harbor (PHX) 4 17:30 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 12:10 Phoenix Sky Harbor (PHX) 4 17:30 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-01-18 through 2026-01-23
Mon-Fri 12:10 Phoenix Sky Harbor (PHX) 4 17:30 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 12:10 Phoenix Sky Harbor (PHX) 4 17:30 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-02-08 through 2026-02-11
Tue,Wed 12:10 Phoenix Sky Harbor (PHX) 4 17:30 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 14:00 Phoenix Sky Harbor (PHX) 4 19:15 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:00 Phoenix Sky Harbor (PHX) 4 19:15 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:15 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 17:15 Phoenix Sky Harbor (PHX) 4 22:25 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 17:15 Phoenix Sky Harbor (PHX) 4 22:25 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 17:15 Phoenix Sky Harbor (PHX) 4 22:25 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 17:15 Phoenix Sky Harbor (PHX) 4 22:25 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 17:15 Phoenix Sky Harbor (PHX) 4 22:25 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-17 through 2026-02-23
Mon 17:15 Phoenix Sky Harbor (PHX) 4 22:25 Louisville (SDF) Southwest Airlines WN 3213 Non-stop Boeing 737-800 (73H) 3:10 Operates only on 2026-03-02
Thu,Fri,Sun 08:31 Phoenix Sky Harbor (PHX) 4 15:00 Louisville (SDF) American Airlines AA 3284 Non-stop Boeing 737-800 (738) 3:29 Effective 2026-04-30 through 2026-05-03
Sun 09:25 Phoenix Sky Harbor (PHX) 4 15:55 Louisville (SDF) Southwest Airlines WN 3312 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-08-09 through 2026-09-27
Tue,Wed 09:05 Phoenix Sky Harbor (PHX) 4 15:35 Louisville (SDF) Southwest Airlines WN 3329 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 13:05 Phoenix Sky Harbor (PHX) 4 19:30 Louisville (SDF) Southwest Airlines WN 3329 Non-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-06-04 through 2026-08-03
Tue,Wed 16:10 Phoenix Sky Harbor (PHX) 4 22:30 Louisville (SDF) Southwest Airlines WN 3878 Non-stop Boeing 737-800 (73H) 3:20 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 17:55 Phoenix Sky Harbor (PHX) 4 00:15 Louisville (SDF) Southwest Airlines WN 3878 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-04-09 through 2026-06-01 The flight arrives 1 day after departure.
Sat 07:50 Phoenix Sky Harbor (PHX) 4 14:15 Louisville (SDF) Southwest Airlines WN 3996 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-06-06 through 2026-08-01
Sun 07:50 Phoenix Sky Harbor (PHX) 4 14:15 Louisville (SDF) Southwest Airlines WN 4222 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-06-07 through 2026-08-02
Sat 14:10 Phoenix Sky Harbor (PHX) 4 19:25 Louisville (SDF) Southwest Airlines WN 4228 Non-stop Boeing 737-700 (Scimitar Winglets) 3:15 Operates only on 2026-01-03
Mon,Tue,Fri,Sun 20:05 Phoenix Sky Harbor (PHX) 4 01:20 Louisville (SDF) Southwest Airlines WN 4228 Non-stop Boeing 737-800 (73H) 3:15 Valid until 2026-01-04 The flight arrives 1 day after departure.
Sun 16:15 Phoenix Sky Harbor (PHX) 4 22:35 Louisville (SDF) Southwest Airlines WN 4438 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Operates only on 2026-05-24
Tue 11:35 Phoenix Sky Harbor (PHX) 4 17:55 Louisville (SDF) Southwest Airlines WN 4819 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-08-04 through 2026-09-29
Mon,Thu,Fri 16:40 Phoenix Sky Harbor (PHX) 4 23:05 Louisville (SDF) Southwest Airlines WN 4819 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-08-06 through 2026-09-28
Thu 08:40 Phoenix Sky Harbor (PHX) 4 15:05 Louisville (SDF) Southwest Airlines WN 5101 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Operates only on 2026-04-30
Non-Direct Flights:
Tue,Wed 07:00 Phoenix Sky Harbor (PHX) 4 15:10 Louisville (SDF) Southwest Airlines WN 4536 1-stop Boeing 737-700 (Scimitar Winglets) 5:10 Effective 2026-03-10 through 2026-04-01
Tue,Wed 12:45 Phoenix Sky Harbor (PHX) 4 22:15 Louisville (SDF) Southwest Airlines WN 850 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-03-10 through 2026-04-01

A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Louisville airport (SDF).
The flight distance is 1502 miles, or 2417 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:10 and 3:30.

Return (SDF-PHX) flights

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All airlines flying from Phoenix Sky Harbor (PHX) to Louisville (SDF).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN282

17:15

Phoenix Sky Harbor (PHX) 4

22:30

Louisville (SDF)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN438

11:35

Phoenix Sky Harbor (PHX) 4

17:55

Louisville (SDF)

Effective 2026-08-05 through 2026-09-30

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1584

11:25

Phoenix Sky Harbor (PHX) 4

16:45

Louisville (SDF)

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1584

11:25

Phoenix Sky Harbor (PHX) 4

16:45

Louisville (SDF)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1650

17:50

Phoenix Sky Harbor (PHX) 4

00:05(+1)

Louisville (SDF)

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1650

18:15

Phoenix Sky Harbor (PHX) 4

00:35(+1)

Louisville (SDF)

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1650

18:25

Phoenix Sky Harbor (PHX) 4

00:45(+1)

Louisville (SDF)

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1650

18:30

Phoenix Sky Harbor (PHX) 4

00:50(+1)

Louisville (SDF)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1650

18:50

Phoenix Sky Harbor (PHX) 4

00:05(+1)

Louisville (SDF)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1650

19:25

Phoenix Sky Harbor (PHX) 4

00:45(+1)

Louisville (SDF)

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN1970

08:50

Phoenix Sky Harbor (PHX) 4

15:10

Louisville (SDF)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1970

10:40

Phoenix Sky Harbor (PHX) 4

17:00

Louisville (SDF)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1970

10:40

Phoenix Sky Harbor (PHX) 4

17:00

Louisville (SDF)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2475

07:50

Phoenix Sky Harbor (PHX) 4

14:15

Louisville (SDF)

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2475

08:50

Phoenix Sky Harbor (PHX) 4

14:15

Louisville (SDF)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2497

12:55

Phoenix Sky Harbor (PHX) 4

18:10

Louisville (SDF)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

12:10

Phoenix Sky Harbor (PHX) 4

17:30

Louisville (SDF)

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

12:10

Phoenix Sky Harbor (PHX) 4

17:30

Louisville (SDF)

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

12:10

Phoenix Sky Harbor (PHX) 4

17:30

Louisville (SDF)

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

12:10

Phoenix Sky Harbor (PHX) 4

17:30

Louisville (SDF)

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

12:10

Phoenix Sky Harbor (PHX) 4

17:30

Louisville (SDF)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

14:00

Phoenix Sky Harbor (PHX) 4

19:15

Louisville (SDF)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

14:00

Phoenix Sky Harbor (PHX) 4

19:15

Louisville (SDF)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

17:15

Phoenix Sky Harbor (PHX) 4

22:25

Louisville (SDF)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

17:15

Phoenix Sky Harbor (PHX) 4

22:25

Louisville (SDF)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

17:15

Phoenix Sky Harbor (PHX) 4

22:25

Louisville (SDF)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

17:15

Phoenix Sky Harbor (PHX) 4

22:25

Louisville (SDF)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

17:15

Phoenix Sky Harbor (PHX) 4

22:25

Louisville (SDF)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3213

17:15

Phoenix Sky Harbor (PHX) 4

22:25

Louisville (SDF)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

American Airlines AA3284

08:31

Phoenix Sky Harbor (PHX) 4

15:00

Louisville (SDF)

Effective 2026-04-30 through 2026-05-03

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:29, non-stop
Boeing 737-800 (738)

Direct Flights:

Southwest Airlines WN3312

09:25

Phoenix Sky Harbor (PHX) 4

15:55

Louisville (SDF)

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3329

09:05

Phoenix Sky Harbor (PHX) 4

15:35

Louisville (SDF)

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3329

13:05

Phoenix Sky Harbor (PHX) 4

19:30

Louisville (SDF)

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3878

16:10

Phoenix Sky Harbor (PHX) 4

22:30

Louisville (SDF)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3878

17:55

Phoenix Sky Harbor (PHX) 4

00:15(+1)

Louisville (SDF)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3996

07:50

Phoenix Sky Harbor (PHX) 4

14:15

Louisville (SDF)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4222

07:50

Phoenix Sky Harbor (PHX) 4

14:15

Louisville (SDF)

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4228

14:10

Phoenix Sky Harbor (PHX) 4

19:25

Louisville (SDF)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4228

20:05

Phoenix Sky Harbor (PHX) 4

01:20(+1)

Louisville (SDF)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4438

16:15

Phoenix Sky Harbor (PHX) 4

22:35

Louisville (SDF)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4819

11:35

Phoenix Sky Harbor (PHX) 4

17:55

Louisville (SDF)

Effective 2026-08-04 through 2026-09-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4819

16:40

Phoenix Sky Harbor (PHX) 4

23:05

Louisville (SDF)

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN5101

08:40

Phoenix Sky Harbor (PHX) 4

15:05

Louisville (SDF)

Operates only on 2026-04-30

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4536

07:00

Phoenix Sky Harbor (PHX) 4

15:10

Louisville (SDF)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
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Duration: 5:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN850

12:45

Phoenix Sky Harbor (PHX) 4

22:15

Louisville (SDF)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)

A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Louisville airport (SDF).
The flight distance is 1502 miles, or 2417 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 3:10 and 3:30.

Return (SDF-PHX) flights

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