Southwest Airlines flight WN 4543: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 09:00 Santa Ana (SNA) 12:15 Denver (DEN) WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-04 through 2025-11-01
Tue,Wed 09:20 Santa Ana (SNA) 12:35 Denver (DEN) WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 13:55 Saint Louis (STL) 2 15:00 Kansas City (MCI) WN 4543 Non-stop Boeing 737-800 (73H) 1:05 Valid until 2025-06-02
Sun 16:10 Saint Louis (STL) 2 17:20 Kansas City (MCI) WN 4543 Non-stop Boeing 737-700 (73W) 1:10 Operates only on 2025-05-25
Sun 17:10 Saint Louis (STL) 2 18:15 Kansas City (MCI) WN 4543 Non-stop Boeing 737-800 (73H) 1:05 Valid until 2025-05-18
Sun 17:10 Saint Louis (STL) 2 18:15 Kansas City (MCI) WN 4543 Non-stop Boeing 737-800 (73H) 1:05 Operates only on 2025-06-01
Tue,Wed 17:30 Austin (AUS) 18:50 Long Beach (LGB) WN 4543 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:30 Austin (AUS) 18:50 Long Beach (LGB) WN 4543 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:30 Austin (AUS) 18:50 Long Beach (LGB) WN 4543 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:30 Austin (AUS) 18:50 Long Beach (LGB) WN 4543 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:30 Austin (AUS) 18:50 Long Beach (LGB) WN 4543 Non-stop Boeing 737-800 (73H) 3:20 Effective 2025-12-24 through 2026-01-01
Mon-Wed 17:40 Austin (AUS) 18:55 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 17:40 Austin (AUS) 18:55 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-12-19 through 2026-01-04
Sat 17:50 Austin (AUS) 19:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-11-08 through 2025-11-15
Sat 17:50 Austin (AUS) 19:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri 18:25 Santa Ana (SNA) 21:40 Denver (DEN) WN 4543 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-02 through 2025-10-31
Sat 18:40 Austin (AUS) 19:55 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-11-22 through 2025-11-29
Sat 18:40 Austin (AUS) 19:55 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 18:50 Austin (AUS) 20:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 18:50 Austin (AUS) 20:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-11-21 through 2025-11-28
Sun 18:50 San Diego (SAN) 1 00:25 Saint Louis (STL) 2 WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Operates only on 2025-11-30 The flight arrives 1 day after departure.
Fri,Sun 18:50 Austin (AUS) 20:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-12-07 through 2025-12-14
Thu 18:50 Austin (AUS) 20:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2025-12-18
Mon 18:50 Austin (AUS) 20:05 Long Beach (LGB) WN 4543 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2026-01-05

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Parallax here -

This flight number is listed as serving the following routes:

Austin (AUS) - Long Beach (LGB)
Saint Louis (STL) - Kansas City (MCI)
San Diego (SAN) - Saint Louis (STL)
Santa Ana (SNA) - Denver (DEN)

All Southwest Airlines flights

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Southwest Airlines flight WN 4543: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4543

09:00

Santa Ana (SNA)

12:15

Denver (DEN)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4543

09:20

Santa Ana (SNA)

12:35

Denver (DEN)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4543

13:55

Saint Louis (STL) 2

15:00

Kansas City (MCI)

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4543

16:10

Saint Louis (STL) 2

17:20

Kansas City (MCI)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:10, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4543

17:10

Saint Louis (STL) 2

18:15

Kansas City (MCI)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4543

17:10

Saint Louis (STL) 2

18:15

Kansas City (MCI)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4543

17:30

Austin (AUS)

18:50

Long Beach (LGB)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4543

17:30

Austin (AUS)

18:50

Long Beach (LGB)

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

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4543

17:30

Austin (AUS)

18:50

Long Beach (LGB)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN4543

17:30

Austin (AUS)

18:50

Long Beach (LGB)

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4543

17:30

Austin (AUS)

18:50

Long Beach (LGB)

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

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4543

17:40

Austin (AUS)

18:55

Long Beach (LGB)

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

17:40

Austin (AUS)

18:55

Long Beach (LGB)

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

17:50

Austin (AUS)

19:05

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

17:50

Austin (AUS)

19:05

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:25

Santa Ana (SNA)

21:40

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4543

18:40

Austin (AUS)

19:55

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:40

Austin (AUS)

19:55

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:50

Austin (AUS)

20:05

Long Beach (LGB)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:50

Austin (AUS)

20:05

Long Beach (LGB)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:50

San Diego (SAN) 1

00:25(+1)

Saint Louis (STL) 2

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN4543

18:50

Austin (AUS)

20:05

Long Beach (LGB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:50

Austin (AUS)

20:05

Long Beach (LGB)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4543

18:50

Austin (AUS)

20:05

Long Beach (LGB)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

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Parallax here -

This flight number is listed as serving the following routes:

Austin (AUS) - Long Beach (LGB)
Saint Louis (STL) - Kansas City (MCI)
San Diego (SAN) - Saint Louis (STL)
Santa Ana (SNA) - Denver (DEN)

All Southwest Airlines flights

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- CACHE: False - LANG: en - IS_EU: False