All airlines flying from Phoenix Sky Harbor (PHX) to Saint Louis (STL).

FLIGHT SCHEDULE
Direct Flights:
Mon-Wed 10:35 Phoenix Sky Harbor (PHX) 4 14:30 Saint Louis (STL) 2 Southwest Airlines WN 264 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:35 Phoenix Sky Harbor (PHX) 4 14:30 Saint Louis (STL) 2 Southwest Airlines WN 264 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri 05:30 Phoenix Sky Harbor (PHX) 4 10:25 Saint Louis (STL) 2 Southwest Airlines WN 408 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2025-06-02
Sat 05:45 Phoenix Sky Harbor (PHX) 4 10:40 Saint Louis (STL) 2 Southwest Airlines WN 408 Non-stop Boeing 737-700 (73W) 2:55 Valid until 2025-05-31
Sun 06:05 Phoenix Sky Harbor (PHX) 4 11:00 Saint Louis (STL) 2 Southwest Airlines WN 408 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Operates only on 2025-05-25
Sun 06:10 Phoenix Sky Harbor (PHX) 4 11:05 Saint Louis (STL) 2 Southwest Airlines WN 408 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2025-05-18
Sun 06:10 Phoenix Sky Harbor (PHX) 4 11:05 Saint Louis (STL) 2 Southwest Airlines WN 408 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2025-06-01
Tue,Wed 08:40 Phoenix Sky Harbor (PHX) 4 13:35 Saint Louis (STL) 2 Southwest Airlines WN 408 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2025-06-04
Sun 05:40 Phoenix Sky Harbor (PHX) 4 09:30 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2025-11-30
Sat 06:20 Phoenix Sky Harbor (PHX) 4 10:10 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-22 through 2025-11-29
Sat 06:20 Phoenix Sky Harbor (PHX) 4 10:10 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 06:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 06:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-21 through 2025-11-28
Fri,Sun 06:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-07 through 2025-12-14
Thu 06:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2025-12-18
Mon 06:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-01-05
Mon-Wed 06:35 Phoenix Sky Harbor (PHX) 4 10:25 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 06:35 Phoenix Sky Harbor (PHX) 4 10:25 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-12-19 through 2026-01-04
Tue,Wed 08:25 Phoenix Sky Harbor (PHX) 4 12:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-11-04 through 2025-11-12
Mon-Thu 08:25 Phoenix Sky Harbor (PHX) 4 12:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-11-17 through 2025-11-20
Mon-Fri 08:25 Phoenix Sky Harbor (PHX) 4 12:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-12-02 through 2025-12-11
Mon-Wed 08:25 Phoenix Sky Harbor (PHX) 4 12:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-12-15 through 2025-12-17
Wed,Thu 08:25 Phoenix Sky Harbor (PHX) 4 12:20 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-12-24 through 2026-01-01
Sat 08:30 Phoenix Sky Harbor (PHX) 4 12:25 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-11-08 through 2025-11-15
Sat 08:30 Phoenix Sky Harbor (PHX) 4 12:25 Saint Louis (STL) 2 Southwest Airlines WN 500 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-12-06 through 2025-12-13
Daily 12:15 Phoenix Sky Harbor (PHX) 4 17:18 Saint Louis (STL) 1 American Airlines AA 590 Non-stop Airbus A319 (319) 3:03 Effective 2025-08-06 through 2025-09-02
Daily 12:15 Phoenix Sky Harbor (PHX) 4 17:12 Saint Louis (STL) 1 American Airlines AA 590 Non-stop Airbus A319 (319) 2:57 Effective 2025-09-03 through 2025-10-05
Sun 07:55 Phoenix Sky Harbor (PHX) 4 12:50 Saint Louis (STL) 2 Southwest Airlines WN 611 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-06-08 through 2025-08-03
Tue,Wed 16:20 Phoenix Sky Harbor (PHX) 4 21:15 Saint Louis (STL) 2 Southwest Airlines WN 611 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-06-10 through 2025-07-30
Sat 18:30 Phoenix Sky Harbor (PHX) 4 23:25 Saint Louis (STL) 2 Southwest Airlines WN 611 Non-stop Boeing 737-700 (73W) 2:55 Effective 2025-06-07 through 2025-08-02
Sat 12:15 Phoenix Sky Harbor (PHX) 4 17:10 Saint Louis (STL) 2 Southwest Airlines WN 634 Non-stop Boeing 737-700 (73W) 2:55 Effective 2025-08-09 through 2025-09-27
Sun 20:15 Phoenix Sky Harbor (PHX) 4 01:10 Saint Louis (STL) 2 Southwest Airlines WN 634 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-08-10 through 2025-08-24 The flight arrives 1 day after departure.
Sun 20:15 Phoenix Sky Harbor (PHX) 4 01:10 Saint Louis (STL) 2 Southwest Airlines WN 634 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-09-07 through 2025-09-28 The flight arrives 1 day after departure.
Sat 16:15 Phoenix Sky Harbor (PHX) 4 21:10 Saint Louis (STL) 2 Southwest Airlines WN 647 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 16:50 Phoenix Sky Harbor (PHX) 4 21:45 Saint Louis (STL) 2 Southwest Airlines WN 647 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-10-02 through 2025-10-31
Tue,Wed 19:35 Phoenix Sky Harbor (PHX) 4 00:30 Saint Louis (STL) 2 Southwest Airlines WN 647 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-10-07 through 2025-10-29 The flight arrives 1 day after departure.
Sun 08:20 Phoenix Sky Harbor (PHX) 4 13:15 Saint Louis (STL) 2 Southwest Airlines WN 653 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-08-10 through 2025-08-24
Sun 08:20 Phoenix Sky Harbor (PHX) 4 13:15 Saint Louis (STL) 2 Southwest Airlines WN 653 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-09-07 through 2025-09-28
Sun 08:50 Phoenix Sky Harbor (PHX) 4 13:50 Saint Louis (STL) 2 Southwest Airlines WN 653 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2025-08-31
Tue,Wed 10:55 Phoenix Sky Harbor (PHX) 4 15:55 Saint Louis (STL) 2 Southwest Airlines WN 653 Non-stop Boeing 737-700 (73W) 3:00 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 13:45 Phoenix Sky Harbor (PHX) 4 18:40 Saint Louis (STL) 2 Southwest Airlines WN 653 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-08-07 through 2025-09-29
Sat 16:00 Phoenix Sky Harbor (PHX) 4 20:55 Saint Louis (STL) 2 Southwest Airlines WN 653 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-08-09 through 2025-09-27
Sat 18:55 Phoenix Sky Harbor (PHX) 4 23:50 Saint Louis (STL) 2 Southwest Airlines WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Valid until 2025-05-31
Mon,Thu,Fri 19:40 Phoenix Sky Harbor (PHX) 4 00:35 Saint Louis (STL) 2 Southwest Airlines WN 665 Non-stop Boeing 737-700 (73W) 2:55 Valid until 2025-06-02 The flight arrives 1 day after departure.
Sun 14:30 Phoenix Sky Harbor (PHX) 4 19:25 Saint Louis (STL) 2 Southwest Airlines WN 711 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-10-05 through 2025-10-26
Fri 13:30 Phoenix Sky Harbor (PHX) 4 18:31 Saint Louis (STL) 1 American Airlines AA 890 Non-stop Boeing 737-800 (738) 3:01 Operates only on 2025-07-04
Daily 18:50 Phoenix Sky Harbor (PHX) 4 23:48 Saint Louis (STL) 1 American Airlines AA 890 Non-stop Boeing 737-800 (738) 2:58 Effective 2025-08-06 through 2025-09-02
Daily 18:50 Phoenix Sky Harbor (PHX) 4 23:47 Saint Louis (STL) 1 American Airlines AA 890 Non-stop Boeing 737-800 (738) 2:57 Effective 2025-09-03 through 2025-10-05
Daily 18:50 Phoenix Sky Harbor (PHX) 4 23:49 Saint Louis (STL) 1 American Airlines AA 890 Non-stop Boeing 737-800 (738) 2:59 Effective 2025-10-06 through 2025-10-25
Mon,Thu-Sun 18:54 Phoenix Sky Harbor (PHX) 4 23:50 Saint Louis (STL) 1 American Airlines AA 890 Non-stop Boeing 737-800 (738) 2:56 Valid until 2025-05-04

1 2 3 4 5 6

A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Saint Louis airport (STL).
The flight distance is 1259 miles, or 2025 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:49 and 3:15.

Return (STL-PHX) flights

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All airlines flying from Phoenix Sky Harbor (PHX) to Saint Louis (STL).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN264

10:35

Phoenix Sky Harbor (PHX) 4

14:30

Saint Louis (STL) 2

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN264

10:35

Phoenix Sky Harbor (PHX) 4

14:30

Saint Louis (STL) 2

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN408

05:30

Phoenix Sky Harbor (PHX) 4

10:25

Saint Louis (STL) 2

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN408

05:45

Phoenix Sky Harbor (PHX) 4

10:40

Saint Louis (STL) 2

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN408

06:05

Phoenix Sky Harbor (PHX) 4

11:00

Saint Louis (STL) 2

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN408

06:10

Phoenix Sky Harbor (PHX) 4

11:05

Saint Louis (STL) 2

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN408

06:10

Phoenix Sky Harbor (PHX) 4

11:05

Saint Louis (STL) 2

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN408

08:40

Phoenix Sky Harbor (PHX) 4

13:35

Saint Louis (STL) 2

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

05:40

Phoenix Sky Harbor (PHX) 4

09:30

Saint Louis (STL) 2

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

06:20

Phoenix Sky Harbor (PHX) 4

10:10

Saint Louis (STL) 2

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:20

Phoenix Sky Harbor (PHX) 4

10:10

Saint Louis (STL) 2

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:30

Phoenix Sky Harbor (PHX) 4

10:20

Saint Louis (STL) 2

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:30

Phoenix Sky Harbor (PHX) 4

10:20

Saint Louis (STL) 2

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:30

Phoenix Sky Harbor (PHX) 4

10:20

Saint Louis (STL) 2

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:30

Phoenix Sky Harbor (PHX) 4

10:20

Saint Louis (STL) 2

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:30

Phoenix Sky Harbor (PHX) 4

10:20

Saint Louis (STL) 2

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN500

06:35

Phoenix Sky Harbor (PHX) 4

10:25

Saint Louis (STL) 2

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN500

06:35

Phoenix Sky Harbor (PHX) 4

10:25

Saint Louis (STL) 2

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN500

08:25

Phoenix Sky Harbor (PHX) 4

12:20

Saint Louis (STL) 2

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

08:25

Phoenix Sky Harbor (PHX) 4

12:20

Saint Louis (STL) 2

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

08:25

Phoenix Sky Harbor (PHX) 4

12:20

Saint Louis (STL) 2

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

08:25

Phoenix Sky Harbor (PHX) 4

12:20

Saint Louis (STL) 2

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

08:25

Phoenix Sky Harbor (PHX) 4

12:20

Saint Louis (STL) 2

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

08:30

Phoenix Sky Harbor (PHX) 4

12:25

Saint Louis (STL) 2

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN500

08:30

Phoenix Sky Harbor (PHX) 4

12:25

Saint Louis (STL) 2

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

American Airlines AA590

12:15

Phoenix Sky Harbor (PHX) 4

17:18

Saint Louis (STL) 1

Effective 2025-08-06 through 2025-09-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:03, non-stop
Airbus A319 (319)

American Airlines AA590

12:15

Phoenix Sky Harbor (PHX) 4

17:12

Saint Louis (STL) 1

Effective 2025-09-03 through 2025-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:57, non-stop
Airbus A319 (319)

Southwest Airlines WN611

07:55

Phoenix Sky Harbor (PHX) 4

12:50

Saint Louis (STL) 2

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN611

16:20

Phoenix Sky Harbor (PHX) 4

21:15

Saint Louis (STL) 2

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN611

18:30

Phoenix Sky Harbor (PHX) 4

23:25

Saint Louis (STL) 2

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN634

12:15

Phoenix Sky Harbor (PHX) 4

17:10

Saint Louis (STL) 2

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN634

20:15

Phoenix Sky Harbor (PHX) 4

01:10(+1)

Saint Louis (STL) 2

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN634

20:15

Phoenix Sky Harbor (PHX) 4

01:10(+1)

Saint Louis (STL) 2

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN647

16:15

Phoenix Sky Harbor (PHX) 4

21:10

Saint Louis (STL) 2

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN647

16:50

Phoenix Sky Harbor (PHX) 4

21:45

Saint Louis (STL) 2

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN647

19:35

Phoenix Sky Harbor (PHX) 4

00:30(+1)

Saint Louis (STL) 2

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN653

08:20

Phoenix Sky Harbor (PHX) 4

13:15

Saint Louis (STL) 2

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN653

08:20

Phoenix Sky Harbor (PHX) 4

13:15

Saint Louis (STL) 2

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN653

08:50

Phoenix Sky Harbor (PHX) 4

13:50

Saint Louis (STL) 2

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN653

10:55

Phoenix Sky Harbor (PHX) 4

15:55

Saint Louis (STL) 2

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN653

13:45

Phoenix Sky Harbor (PHX) 4

18:40

Saint Louis (STL) 2

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN653

16:00

Phoenix Sky Harbor (PHX) 4

20:55

Saint Louis (STL) 2

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN665

18:55

Phoenix Sky Harbor (PHX) 4

23:50

Saint Louis (STL) 2

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN665

19:40

Phoenix Sky Harbor (PHX) 4

00:35(+1)

Saint Louis (STL) 2

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:55, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.

Southwest Airlines WN711

14:30

Phoenix Sky Harbor (PHX) 4

19:25

Saint Louis (STL) 2

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)

American Airlines AA890

13:30

Phoenix Sky Harbor (PHX) 4

18:31

Saint Louis (STL) 1

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 3:01, non-stop
Boeing 737-800 (738)

American Airlines AA890

18:50

Phoenix Sky Harbor (PHX) 4

23:48

Saint Louis (STL) 1

Effective 2025-08-06 through 2025-09-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:58, non-stop
Boeing 737-800 (738)

American Airlines AA890

18:50

Phoenix Sky Harbor (PHX) 4

23:47

Saint Louis (STL) 1

Effective 2025-09-03 through 2025-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:57, non-stop
Boeing 737-800 (738)

American Airlines AA890

18:50

Phoenix Sky Harbor (PHX) 4

23:49

Saint Louis (STL) 1

Effective 2025-10-06 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:59, non-stop
Boeing 737-800 (738)

American Airlines AA890

18:54

Phoenix Sky Harbor (PHX) 4

23:50

Saint Louis (STL) 1

Valid until 2025-05-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:56, non-stop
Boeing 737-800 (738)

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A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Saint Louis airport (STL).
The flight distance is 1259 miles, or 2025 km.
The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . 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 2:49 and 3:15.

Return (STL-PHX) flights

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