Southwest Airlines flight WN 4042: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 08:10 Sarasota/Bradenton (SRQ) 09:35 Saint Louis (STL) 2
WN 4042 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 11:30 Tucson (TUS) 12:20 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-800 (73H) 0:50 Effective 2026-08-06 through 2026-09-28
Sun 11:55 Amarillo (AMA) 13:15 Austin (AUS)
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-05-24
Sat 12:50 Minneapolis/Saint Paul (MSP) 2 15:15 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Operates only on 2026-03-07
Sat 12:50 Minneapolis/Saint Paul (MSP) 2 14:15 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2026-03-14 through 2026-04-04
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 15:30 Amarillo (AMA) 16:55 Austin (AUS)
WN 4042 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-04-12 through 2026-05-17
Sun 15:30 Amarillo (AMA) 16:55 Austin (AUS)
WN 4042 Non-stop Boeing 737-800 (73H) 1:25 Operates only on 2026-05-31
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 Operates only on 2026-01-03
Tue,Wed 16:00 Tucson (TUS) 16:55 Phoenix Sky Harbor (PHX) 4
WN 4042 Non-stop Boeing 737-700 (Scimitar Winglets) 0:55 Effective 2026-08-04 through 2026-09-30
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 Operates only on 2026-01-03
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 Valid until 2026-01-04
Sun 19:20 Kansas City (MCI) 20:45 Chicago Midway (MDW)
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-06-07 through 2026-08-02
Sun 21:25 Chicago Midway (MDW) 23:55 Oakland (OAK) 2
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 21:40 Chicago Midway (MDW) 00:10 Oakland (OAK) 2
WN 4042 Non-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2026-06-04 through 2026-08-03
The flight arrives 1 day after departure.
Non-Direct Flights:
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 Operates only on 2026-01-03
Sun 19:20 Kansas City (MCI) 23:55 Oakland (OAK) 2
WN 4042 1-stop Boeing 737 MAX 8 (7M8) 6:35 Effective 2026-06-07 through 2026-08-02
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 4042: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN4042
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
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Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4042
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4042
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4042
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4042
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:35, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Amarillo (AMA) - Austin (AUS)
  • Chicago Midway (MDW) - Oakland (OAK)
  • Kansas City (MCI) - Chicago Midway (MDW)
  • Kansas City (MCI) - Oakland (OAK)
  • Minneapolis/Saint Paul (MSP) - Phoenix Sky Harbor (PHX)
  • Ontario, Los Angeles (ONT) - Albuquerque (ABQ)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Albuquerque (ABQ)
  • Sacramento (SMF) - Albuquerque (ABQ)
  • Sacramento (SMF) - Phoenix Sky Harbor (PHX)
  • Sarasota/Bradenton (SRQ) - Saint Louis (STL)
  • Tucson (TUS) - Phoenix Sky Harbor (PHX)