Southwest Airlines flight WN 4123: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 05:25 Midway, Chicago (MDW) 07:20 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 05:25 Midway, Chicago (MDW) 07:20 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-11-21 through 2025-11-28
Fri,Sun 05:25 Midway, Chicago (MDW) 07:20 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-12-07 through 2025-12-14
Thu 05:25 Midway, Chicago (MDW) 07:20 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2025-12-18
Mon 05:25 Midway, Chicago (MDW) 07:20 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2026-01-05
Sun 05:35 Midway, Chicago (MDW) 07:30 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2025-11-30
Mon-Wed 05:40 Midway, Chicago (MDW) 07:35 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 05:40 Midway, Chicago (MDW) 07:35 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-12-19 through 2026-01-04
Sat 05:55 Midway, Chicago (MDW) 07:50 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2025-11-08 through 2025-11-15
Sat 05:55 Midway, Chicago (MDW) 07:50 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2025-12-06 through 2025-12-13
Sat 06:05 Midway, Chicago (MDW) 08:05 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-11-22 through 2025-11-29
Sat 06:05 Midway, Chicago (MDW) 08:05 Las Vegas Harry Reid (LAS) 1
WN 4123 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-12-20 through 2026-01-03
Sat 11:55 Belize City Philip SW Goldson Intl (BZE) 17:55 Baltimore (BWI)
WN 4123 Non-stop Boeing 737-700 (73W) 4:00 Effective 2025-06-07 through 2025-08-02
Sun 13:25 Nashville (BNA) 15:35 Houston Hobby (HOU)
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-10-05 through 2025-10-26
Sat 14:00 Belize City Philip SW Goldson Intl (BZE) 20:00 Baltimore (BWI)
WN 4123 Non-stop Boeing 737-700 (73W) 4:00 Valid until 2025-05-31
Sun 16:20 Houston Hobby (HOU) 17:20 Corpus Christi (CRP)
WN 4123 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2025-10-05 through 2025-10-26
Non-Direct Flights:
Sun 13:25 Nashville (BNA) 17:20 Corpus Christi (CRP)
WN 4123 1-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-10-05 through 2025-10-26
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4123: Multiple routes
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4123
05:25
Midway, Chicago (MDW)

07:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
05:25
Midway, Chicago (MDW)

07:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
05:25
Midway, Chicago (MDW)

07:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
05:25
Midway, Chicago (MDW)

07:20
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
05:25
Midway, Chicago (MDW)

07:20
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
05:35
Midway, Chicago (MDW)

07:30
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
05:40
Midway, Chicago (MDW)

07:35
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4123
05:40
Midway, Chicago (MDW)

07:35
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4123
05:55
Midway, Chicago (MDW)

07:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4123
05:55
Midway, Chicago (MDW)

07:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4123
06:05
Midway, Chicago (MDW)

08:05
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4123
06:05
Midway, Chicago (MDW)

08:05
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4123
11:55
Belize City Philip SW Goldson Intl (BZE)

17:55
Baltimore (BWI)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4123
13:25
Nashville (BNA)

15:35
Houston Hobby (HOU)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4123
14:00
Belize City Philip SW Goldson Intl (BZE)

20:00
Baltimore (BWI)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4123
16:20
Houston Hobby (HOU)

17:20
Corpus Christi (CRP)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4123
13:25
Nashville (BNA)

17:20
Corpus Christi (CRP)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737 MAX 8 (7M8)
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Parallax here -
This flight number is listed as serving the following routes:
  • Belize City Philip SW Goldson Intl (BZE) - Baltimore (BWI)
  • Houston Hobby (HOU) - Corpus Christi (CRP)
  • Midway, Chicago (MDW) - Las Vegas Harry Reid (LAS)
  • Nashville (BNA) - Corpus Christi (CRP)
  • Nashville (BNA) - Houston Hobby (HOU)
All Southwest Airlines flights
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