Southwest Airlines flight WN 4575: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 12:50 Oakland (OAK) 2 14:15 Ontario, Los Angeles (ONT) 4
WN 4575 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 13:10 Oakland (OAK) 2 14:35 Ontario, Los Angeles (ONT) 4
WN 4575 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 13:10 Oakland (OAK) 2 14:35 Ontario, Los Angeles (ONT) 4
WN 4575 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-07-07 through 2025-08-04
Sun 13:20 Oakland (OAK) 2 14:45 Ontario, Los Angeles (ONT) 4
WN 4575 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-06-08 through 2025-08-03
Tue,Wed 13:20 Oakland (OAK) 2 14:45 Ontario, Los Angeles (ONT) 4
WN 4575 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-06-10 through 2025-07-30
Sun 19:30 Seattle-Tacoma (SEA) 23:15 Phoenix Sky Harbor (PHX) 4
WN 4575 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2025-11-30
Sat 20:50 Nashville (BNA) 23:45 Buffalo (BUF)
WN 4575 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-11-22 through 2025-11-29
Sat 20:50 Nashville (BNA) 23:45 Buffalo (BUF)
WN 4575 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-12-20 through 2026-01-03
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 4575: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN4575
Effective 2025-06-07 through 2025-08-02
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4575
Effective 2025-06-05 through 2025-07-03
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4575
Effective 2025-07-07 through 2025-08-04
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4575
Effective 2025-06-08 through 2025-08-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4575
Effective 2025-06-10 through 2025-07-30
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4575
Operates only on 2025-11-30
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4575
Effective 2025-11-22 through 2025-11-29
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4575
Effective 2025-12-20 through 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Nashville (BNA) - Buffalo (BUF)
  • Oakland (OAK) - Ontario, Los Angeles (ONT)
  • Seattle-Tacoma (SEA) - Phoenix Sky Harbor (PHX)