Southwest Airlines flight WN 4021: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 05:00 Los Angeles (LAX) 1 10:05 Love Field, Dallas (DAL) 1
WN 4021 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 05:40 New Orleans (MSY) 08:15 Tampa (TPA)
WN 4021 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 05:40 New Orleans (MSY) 08:15 Tampa (TPA)
WN 4021 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-07-07 through 2025-08-04
Fri 06:05 New Orleans (MSY) 08:40 Tampa (TPA)
WN 4021 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-07-04
Mon,Thu,Fri 06:20 Phoenix Sky Harbor (PHX) 4 07:50 Burbank (BUR)
WN 4021 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-08-07 through 2025-09-29
Sat 06:35 Orlando (MCO) 09:20 Hartford (BDL)
WN 4021 Non-stop Boeing 737-700 (73W) 2:45 Valid until 2025-05-31
Sun 07:10 Phoenix Sky Harbor (PHX) 4 11:30 Love Field, Dallas (DAL) 1
WN 4021 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-10-05 through 2025-10-26
Tue,Wed 07:25 Los Angeles (LAX) 1 12:30 Love Field, Dallas (DAL) 1
WN 4021 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-10-07 through 2025-10-29
Tue,Wed 07:35 New Orleans (MSY) 10:05 Tampa (TPA)
WN 4021 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 07:35 Los Angeles (LAX) 1 12:40 Love Field, Dallas (DAL) 1
WN 4021 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-10-02 through 2025-10-31
Sun 08:15 New Orleans (MSY) 10:45 Tampa (TPA)
WN 4021 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-06-08 through 2025-08-03
Sat 09:50 New Orleans (MSY) 12:25 Tampa (TPA)
WN 4021 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-06-07 through 2025-08-02
Sat 10:45 Love Field, Dallas (DAL) 1 13:00 Midway, Chicago (MDW)
WN 4021 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-10-04 through 2025-11-01
Sun 12:10 Love Field, Dallas (DAL) 1 16:10 Philadelphia (PHL) E
WN 4021 Non-stop Boeing 737-800 (73H) 3:00 Effective 2025-10-05 through 2025-10-26
Tue,Wed 13:10 Love Field, Dallas (DAL) 1 17:20 Philadelphia (PHL) E
WN 4021 Non-stop Boeing 737-800 (73H) 3:10 Effective 2025-10-07 through 2025-10-29
Sun 17:05 Las Vegas Harry Reid (LAS) 1 18:15 Burbank (BUR)
WN 4021 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2025-11-30
Non-Direct Flights:
Sat 05:00 Los Angeles (LAX) 1 13:00 Midway, Chicago (MDW)
WN 4021 1-stop Boeing 737 MAX 8 (7M8) 6:00 Effective 2025-10-04 through 2025-11-01
Sun 07:10 Phoenix Sky Harbor (PHX) 4 16:10 Philadelphia (PHL) E
WN 4021 1-stop Boeing 737-800 (73H) 6:00 Effective 2025-10-05 through 2025-10-26
Tue,Wed 07:25 Los Angeles (LAX) 1 17:20 Philadelphia (PHL) E
WN 4021 1-stop Boeing 737-800 (73H) 6:55 Effective 2025-10-07 through 2025-10-29
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 4021: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN4021
Effective 2025-10-04 through 2025-11-01
Mon
-
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: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4021
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4021
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4021
Valid until 2025-05-31
Mon
-
Tue
-
Wed
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Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4021
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4021
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4021
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4021
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4021
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4021
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:00, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4021
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:00, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN4021
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:55, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - Burbank (BUR)
  • Los Angeles (LAX) - Love Field, Dallas (DAL)
  • Los Angeles (LAX) - Midway, Chicago (MDW)
  • Los Angeles (LAX) - Philadelphia (PHL)
  • Love Field, Dallas (DAL) - Midway, Chicago (MDW)
  • Love Field, Dallas (DAL) - Philadelphia (PHL)
  • New Orleans (MSY) - Tampa (TPA)
  • Orlando (MCO) - Hartford (BDL)
  • Phoenix Sky Harbor (PHX) - Burbank (BUR)
  • Phoenix Sky Harbor (PHX) - Love Field, Dallas (DAL)
  • Phoenix Sky Harbor (PHX) - Philadelphia (PHL)