Southwest Airlines flight WN 4042: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 07:30 Fort Lauderdale (FLL) 1 10:00 Baltimore (BWI)
WN 4042 Non-stop Boeing 737-800 (73H) 2:30 Effective 2025-10-02 through 2025-10-31
Tue,Wed 08:00 Fort Lauderdale (FLL) 1 10:30 Baltimore (BWI)
WN 4042 Non-stop Boeing 737-800 (73H) 2:30 Effective 2025-10-07 through 2025-10-29
Sat 08:05 Fort Lauderdale (FLL) 1 10:35 Baltimore (BWI)
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-10-04 through 2025-11-01
Sun 09:50 Baltimore (BWI) 12:05 Las Vegas Harry Reid (LAS) 1
WN 4042 Non-stop Boeing 737-800 (73H) 5:15 Effective 2025-10-05 through 2025-10-26
Sat 11:15 Baltimore (BWI) 13:30 Las Vegas Harry Reid (LAS) 1
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2025-10-04 through 2025-11-01
Sun 14:20 Sacramento (SMF) B 17:10 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-800 (73H) 1:50 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 15:05 Sacramento (SMF) B 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 15:05 Sacramento (SMF) B 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-21 through 2025-11-28
Fri,Sun 15:05 Sacramento (SMF) B 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-07 through 2025-12-14
Thu 15:05 Sacramento (SMF) B 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2025-12-18
Mon 15:05 Sacramento (SMF) B 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2026-01-05
Sun 15:35 Ronald Reagan Washington (DCA) 16:35 Nashville (BNA)
WN 4042 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-08-31
Sat 15:40 Ontario, Los Angeles (ONT) 4 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-22 through 2025-11-29
Sat 15:40 Ontario, Los Angeles (ONT) 4 17:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-20 through 2026-01-03
Sun 15:50 Ronald Reagan Washington (DCA) 16:50 Nashville (BNA)
WN 4042 Non-stop Boeing 737-700 (73W) 2:00 Effective 2025-08-10 through 2025-08-24
Sun 15:50 Ronald Reagan Washington (DCA) 16:50 Nashville (BNA)
WN 4042 Non-stop Boeing 737-700 (73W) 2:00 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri,Sun 18:30 Phoenix Sky Harbor (PHX) 4 19:40 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 18:30 Phoenix Sky Harbor (PHX) 4 19:40 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 18:30 Phoenix Sky Harbor (PHX) 4 19:40 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-07 through 2025-12-14
Thu 18:30 Phoenix Sky Harbor (PHX) 4 19:40 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2025-12-18
Mon 18:30 Phoenix Sky Harbor (PHX) 4 19:40 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Sat 18:35 Phoenix Sky Harbor (PHX) 4 19:45 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-22 through 2025-11-29
Sat 18:35 Phoenix Sky Harbor (PHX) 4 19:45 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-20 through 2026-01-03
Mon-Wed 18:50 Phoenix Sky Harbor (PHX) 4 20:00 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 18:50 Phoenix Sky Harbor (PHX) 4 20:00 Albuquerque (ABQ)
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-12-19 through 2026-01-04
Non-Direct Flights:
Sat 08:05 Fort Lauderdale (FLL) 1 13:30 Las Vegas Harry Reid (LAS) 1
WN 4042 1-stop Boeing 737 MAX 8 (7M8) 8:25 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri,Sun 15:05 Sacramento (SMF) B 19:40 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 15:05 Sacramento (SMF) B 19:40 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 15:05 Sacramento (SMF) B 19:40 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-12-07 through 2025-12-14
Thu 15:05 Sacramento (SMF) B 19:40 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Operates only on 2025-12-18
Mon 15:05 Sacramento (SMF) B 19:40 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Operates only on 2026-01-05
Sat 15:40 Ontario, Los Angeles (ONT) 4 19:45 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-11-22 through 2025-11-29
Sat 15:40 Ontario, Los Angeles (ONT) 4 19:45 Albuquerque (ABQ)
WN 4042 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-12-20 through 2026-01-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4042: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4042
07:30
Fort Lauderdale (FLL) 1

10:00
Baltimore (BWI)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4042
08:00
Fort Lauderdale (FLL) 1

10:30
Baltimore (BWI)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4042
08:05
Fort Lauderdale (FLL) 1

10:35
Baltimore (BWI)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4042
09:50
Baltimore (BWI)

12:05
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4042
11:15
Baltimore (BWI)

13:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4042
14:20
Sacramento (SMF) B

17:10
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

17:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

17:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

17:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

17:55
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

17:55
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:35
Ronald Reagan Washington (DCA)

16:35
Nashville (BNA)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4042
15:40
Ontario, Los Angeles (ONT) 4

17:55
Phoenix Sky Harbor (PHX) 4
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 WN4042
15:40
Ontario, Los Angeles (ONT) 4

17:55
Phoenix Sky Harbor (PHX) 4
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 WN4042
15:50
Ronald Reagan Washington (DCA)

16:50
Nashville (BNA)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4042
15:50
Ronald Reagan Washington (DCA)

16:50
Nashville (BNA)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4042
18:30
Phoenix Sky Harbor (PHX) 4

19:40
Albuquerque (ABQ)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:30
Phoenix Sky Harbor (PHX) 4

19:40
Albuquerque (ABQ)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:30
Phoenix Sky Harbor (PHX) 4

19:40
Albuquerque (ABQ)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:30
Phoenix Sky Harbor (PHX) 4

19:40
Albuquerque (ABQ)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:30
Phoenix Sky Harbor (PHX) 4

19:40
Albuquerque (ABQ)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:35
Phoenix Sky Harbor (PHX) 4

19:45
Albuquerque (ABQ)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:35
Phoenix Sky Harbor (PHX) 4

19:45
Albuquerque (ABQ)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
18:50
Phoenix Sky Harbor (PHX) 4

20:00
Albuquerque (ABQ)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4042
18:50
Phoenix Sky Harbor (PHX) 4

20:00
Albuquerque (ABQ)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4042
08:05
Fort Lauderdale (FLL) 1

13:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

19:40
Albuquerque (ABQ)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

19:40
Albuquerque (ABQ)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

19:40
Albuquerque (ABQ)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

19:40
Albuquerque (ABQ)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:05
Sacramento (SMF) B

19:40
Albuquerque (ABQ)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:40
Ontario, Los Angeles (ONT) 4

19:45
Albuquerque (ABQ)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4042
15:40
Ontario, Los Angeles (ONT) 4

19:45
Albuquerque (ABQ)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Las Vegas Harry Reid (LAS)
  • Fort Lauderdale (FLL) - Baltimore (BWI)
  • Fort Lauderdale (FLL) - Las Vegas Harry Reid (LAS)
  • Ontario, Los Angeles (ONT) - Albuquerque (ABQ)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Albuquerque (ABQ)
  • Ronald Reagan Washington (DCA) - Nashville (BNA)
  • Sacramento (SMF) - Albuquerque (ABQ)
  • Sacramento (SMF) - Phoenix Sky Harbor (PHX)
All Southwest Airlines flights
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