Southwest Airlines flight WN 4577: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 11:20 Sacramento (SMF) B 12:50 Santa Ana (SNA) WN 4577 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 11:20 Sacramento (SMF) B 12:50 Santa Ana (SNA) WN 4577 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-07-07 through 2025-08-04
Fri 11:35 Sacramento (SMF) B 13:05 Santa Ana (SNA) WN 4577 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-07-04
Sat 12:10 Santa Ana (SNA) 13:35 Sacramento (SMF) B WN 4577 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-07 through 2025-08-02
Sun 12:45 Santa Ana (SNA) 14:15 Sacramento (SMF) B WN 4577 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-08 through 2025-08-03
Tue,Wed 18:30 Nashville (BNA) 21:15 Baltimore (BWI) WN 4577 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-04 through 2025-11-12
Mon-Thu 18:30 Nashville (BNA) 21:15 Baltimore (BWI) WN 4577 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-17 through 2025-11-20
Sat 18:30 Jackson (JAN) 19:45 Nashville (BNA) WN 4577 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-22 through 2025-11-29
Mon-Fri 18:30 Nashville (BNA) 21:15 Baltimore (BWI) WN 4577 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-02 through 2025-12-11
Mon-Wed 18:30 Nashville (BNA) 21:15 Baltimore (BWI) WN 4577 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-15 through 2025-12-17
Sat 18:30 Jackson (JAN) 19:45 Nashville (BNA) WN 4577 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-20 through 2026-01-03
Wed,Thu 18:30 Nashville (BNA) 21:15 Baltimore (BWI) WN 4577 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-24 through 2026-01-01
Sun 18:40 San Francisco (SFO) 2 20:15 Las Vegas Harry Reid (LAS) 1 WN 4577 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-08-31
Sun 19:50 San Francisco (SFO) 2 21:25 Las Vegas Harry Reid (LAS) 1 WN 4577 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-08-10 through 2025-08-24
Sun 19:50 San Francisco (SFO) 2 21:25 Las Vegas Harry Reid (LAS) 1 WN 4577 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-09-07 through 2025-09-28
Sun 20:35 Nashville (BNA) 23:25 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:50 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 20:40 Nashville (BNA) 23:30 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:40 Nashville (BNA) 23:30 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:40 Nashville (BNA) 23:30 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-12-07 through 2025-12-14
Thu 20:40 Nashville (BNA) 23:30 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:50 Operates only on 2025-12-18
Mon 20:40 Nashville (BNA) 23:30 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:50 Operates only on 2026-01-05
Mon-Wed 21:55 Nashville (BNA) 00:40 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-25 through 2025-12-01 The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 21:55 Nashville (BNA) 00:40 Baltimore (BWI) WN 4577 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-12-19 through 2026-01-04 The flight arrives 1 day after departure.

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Parallax here

This flight number is listed as serving the following routes:

Jackson (JAN) - Nashville (BNA)
Nashville (BNA) - Baltimore (BWI)
Sacramento (SMF) - Santa Ana (SNA)
San Francisco (SFO) - Las Vegas Harry Reid (LAS)

All Southwest Airlines flights

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Southwest Airlines flight WN 4577: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4577

11:20

Sacramento (SMF) B

12:50

Santa Ana (SNA)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4577

11:20

Sacramento (SMF) B

12:50

Santa Ana (SNA)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4577

11:35

Sacramento (SMF) B

13:05

Santa Ana (SNA)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4577

12:10

Santa Ana (SNA)

13:35

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4577

12:45

Santa Ana (SNA)

14:15

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4577

18:30

Nashville (BNA)

21:15

Baltimore (BWI)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4577

18:30

Nashville (BNA)

21:15

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4577

18:30

Jackson (JAN)

19:45

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4577

18:30

Nashville (BNA)

21:15

Baltimore (BWI)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4577

18:30

Nashville (BNA)

21:15

Baltimore (BWI)

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4577

18:30

Jackson (JAN)

19:45

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4577

18:30

Nashville (BNA)

21:15

Baltimore (BWI)

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

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4577

18:40

San Francisco (SFO) 2

20:15

Las Vegas Harry Reid (LAS) 1

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4577

19:50

San Francisco (SFO) 2

21:25

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

19:50

San Francisco (SFO) 2

21:25

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

20:35

Nashville (BNA)

23:25

Baltimore (BWI)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

20:40

Nashville (BNA)

23:30

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

20:40

Nashville (BNA)

23:30

Baltimore (BWI)

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

20:40

Nashville (BNA)

23:30

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

20:40

Nashville (BNA)

23:30

Baltimore (BWI)

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

20:40

Nashville (BNA)

23:30

Baltimore (BWI)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4577

21:55

Nashville (BNA)

00:40(+1)

Baltimore (BWI)

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN4577

21:55

Nashville (BNA)

00:40(+1)

Baltimore (BWI)

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

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Parallax here

This flight number is listed as serving the following routes:

Jackson (JAN) - Nashville (BNA)
Nashville (BNA) - Baltimore (BWI)
Sacramento (SMF) - Santa Ana (SNA)
San Francisco (SFO) - Las Vegas Harry Reid (LAS)

All Southwest Airlines flights

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