Southwest Airlines flight WN 143: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:50 Manchester (MHT) 07:25 Baltimore (BWI)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 06:45 San Jose (SJC) B 07:55 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-06-05 through 2025-08-04
Sun 06:55 Phoenix Sky Harbor (PHX) 4 08:25 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-08-10 through 2025-08-24
Sun 06:55 Phoenix Sky Harbor (PHX) 4 08:25 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-09-07 through 2025-09-28
Sat 07:05 Love Field, Dallas (DAL) 1 10:50 Ronald Reagan Washington (DCA)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-11-22 through 2025-11-29
Sat 07:05 Love Field, Dallas (DAL) 1 10:50 Ronald Reagan Washington (DCA)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2025-12-20 through 2026-01-03
Sun 07:10 Phoenix Sky Harbor (PHX) 4 08:35 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:25 Operates only on 2025-08-31
Sun 07:20 Midway, Chicago (MDW) 10:00 Oakland (OAK) 2
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 4:40 Operates only on 2025-11-30
Sun 07:25 Midway, Chicago (MDW) 10:20 Philadelphia (PHL) E
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 07:30 Phoenix Sky Harbor (PHX) 4 09:00 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-08-07 through 2025-09-29
Sat 08:05 Phoenix Sky Harbor (PHX) 4 09:30 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-08-09 through 2025-09-27
Tue,Wed 08:30 San Jose (SJC) B 09:40 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-06-10 through 2025-07-30
Sat 09:05 Salt Lake City (SLC) 13:20 Nashville (BNA)
WN 143 Non-stop Boeing 737-800 (73H) 3:15 Effective 2025-06-07 through 2025-08-02
Tue,Wed 09:20 Oakland (OAK) 2 10:55 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 09:20 Oakland (OAK) 2 10:55 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 09:20 Oakland (OAK) 2 10:55 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 09:20 Oakland (OAK) 2 10:55 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 09:20 Oakland (OAK) 2 10:55 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-24 through 2026-01-01
Sat 09:40 Oakland (OAK) 2 11:10 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-11-08 through 2025-11-15
Sat 09:40 Oakland (OAK) 2 11:10 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-12-06 through 2025-12-13
Mon-Wed 10:05 Oakland (OAK) 2 11:40 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:05 Oakland (OAK) 2 11:40 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri,Sun 10:15 Oakland (OAK) 2 11:50 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 10:15 Oakland (OAK) 2 11:50 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 10:15 Oakland (OAK) 2 11:50 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-12-07 through 2025-12-14
Thu 10:15 Oakland (OAK) 2 11:50 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:35 Operates only on 2025-12-18
Mon 10:15 Oakland (OAK) 2 11:50 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:35 Operates only on 2026-01-05
Sun 10:20 Ontario, Los Angeles (ONT) 4 11:30 San Jose (SJC) B
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-06-08 through 2025-08-03
Tue,Wed 10:40 Phoenix Sky Harbor (PHX) 4 12:10 Burbank (BUR)
WN 143 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-08-05 through 2025-10-01
Sun 10:40 Oakland (OAK) 2 12:10 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2025-11-30
Tue,Wed 11:35 Las Vegas Harry Reid (LAS) 1 17:05 Midway, Chicago (MDW)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 11:35 Las Vegas Harry Reid (LAS) 1 17:05 Midway, Chicago (MDW)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 11:35 Las Vegas Harry Reid (LAS) 1 17:05 Midway, Chicago (MDW)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 11:35 Las Vegas Harry Reid (LAS) 1 17:05 Midway, Chicago (MDW)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 11:35 Las Vegas Harry Reid (LAS) 1 17:05 Midway, Chicago (MDW)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2025-12-24 through 2026-01-01
Sat 11:50 Las Vegas Harry Reid (LAS) 1 17:00 Saint Louis (STL) 2
WN 143 Non-stop Boeing 737-800 (73H) 3:10 Effective 2025-11-08 through 2025-11-15
Sat 11:50 Las Vegas Harry Reid (LAS) 1 17:00 Saint Louis (STL) 2
WN 143 Non-stop Boeing 737-800 (73H) 3:10 Effective 2025-12-06 through 2025-12-13
Mon-Wed 12:15 Las Vegas Harry Reid (LAS) 1 15:10 Denver (DEN)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 12:15 Las Vegas Harry Reid (LAS) 1 15:10 Denver (DEN)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-12-19 through 2026-01-04
Thu 13:00 Albuquerque (ABQ) 14:10 Los Angeles (LAX) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Operates only on 2025-11-27
Sat 13:30 Phoenix Sky Harbor (PHX) 4 17:35 San Antonio (SAT) A
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2025-05-31
Mon,Thu,Fri 13:40 Manchester (MHT) 15:15 Baltimore (BWI)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-10-02 through 2025-10-31
Thu 14:50 Los Angeles (LAX) 1 16:10 San Francisco (SFO) 2
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2025-11-27
Mon,Thu,Fri 16:35 Orlando (MCO) 18:25 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2025-06-02
Sun 18:30 Phoenix Sky Harbor (PHX) 4 22:35 San Antonio (SAT) A
WN 143 Non-stop Boeing 737-800 (73H) 2:05 Valid until 2025-05-18
Sun 18:30 Phoenix Sky Harbor (PHX) 4 22:35 San Antonio (SAT) A
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2025-05-25
Sun 18:30 Phoenix Sky Harbor (PHX) 4 22:35 San Antonio (SAT) A
WN 143 Non-stop Boeing 737-800 (73H) 2:05 Operates only on 2025-06-01
Tue,Wed 20:55 Orlando (MCO) 22:45 Austin (AUS)
WN 143 Non-stop Boeing 737-700 (73W) 2:50 Valid until 2025-06-04
Non-Direct Flights:
Sun 07:20 Midway, Chicago (MDW) 12:10 Las Vegas Harry Reid (LAS) 1
WN 143 1-stop Boeing 737 MAX 8 (7M8) 6:50 Operates only on 2025-11-30
Tue,Wed 09:20 Oakland (OAK) 2 17:05 Midway, Chicago (MDW)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 5:45 Effective 2025-11-04 through 2025-11-12
Mon-Thu 09:20 Oakland (OAK) 2 17:05 Midway, Chicago (MDW)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 5:45 Effective 2025-11-17 through 2025-11-20
Mon-Fri 09:20 Oakland (OAK) 2 17:05 Midway, Chicago (MDW)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 5:45 Effective 2025-12-02 through 2025-12-11
Mon-Wed 09:20 Oakland (OAK) 2 17:05 Midway, Chicago (MDW)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 5:45 Effective 2025-12-15 through 2025-12-17
Wed,Thu 09:20 Oakland (OAK) 2 17:05 Midway, Chicago (MDW)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 5:45 Effective 2025-12-24 through 2026-01-01
Sat 09:40 Oakland (OAK) 2 17:00 Saint Louis (STL) 2
WN 143 1-stop Boeing 737-800 (73H) 5:20 Effective 2025-11-08 through 2025-11-15
Sat 09:40 Oakland (OAK) 2 17:00 Saint Louis (STL) 2
WN 143 1-stop Boeing 737-800 (73H) 5:20 Effective 2025-12-06 through 2025-12-13
Mon-Wed 10:05 Oakland (OAK) 2 15:10 Denver (DEN)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:05 Oakland (OAK) 2 15:10 Denver (DEN)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-19 through 2026-01-04
Thu 13:00 Albuquerque (ABQ) 16:10 San Francisco (SFO) 2
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Operates only on 2025-11-27
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 143: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN143
05:50
Manchester (MHT)

07:25
Baltimore (BWI)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
06:45
San Jose (SJC) B

07:55
Burbank (BUR)
Effective 2025-06-05 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
06:55
Phoenix Sky Harbor (PHX) 4

08:25
Burbank (BUR)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
06:55
Phoenix Sky Harbor (PHX) 4

08:25
Burbank (BUR)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
07:05
Love Field, Dallas (DAL) 1

10:50
Ronald Reagan Washington (DCA)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
07:05
Love Field, Dallas (DAL) 1

10:50
Ronald Reagan Washington (DCA)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
07:10
Phoenix Sky Harbor (PHX) 4

08:35
Burbank (BUR)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
07:20
Midway, Chicago (MDW)

10:00
Oakland (OAK) 2
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
07:25
Midway, Chicago (MDW)

10:20
Philadelphia (PHL) E
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
07:30
Phoenix Sky Harbor (PHX) 4

09:00
Burbank (BUR)
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 WN143
08:05
Phoenix Sky Harbor (PHX) 4

09:30
Burbank (BUR)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
08:30
San Jose (SJC) B

09:40
Burbank (BUR)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
09:05
Salt Lake City (SLC)

13:20
Nashville (BNA)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

10:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

10:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

10:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

10:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

10:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:40
Oakland (OAK) 2

11:10
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
09:40
Oakland (OAK) 2

11:10
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:05
Oakland (OAK) 2

11:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
10:05
Oakland (OAK) 2

11:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
10:15
Oakland (OAK) 2

11:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:15
Oakland (OAK) 2

11:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:15
Oakland (OAK) 2

11:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:15
Oakland (OAK) 2

11:50
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:15
Oakland (OAK) 2

11:50
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:20
Ontario, Los Angeles (ONT) 4

11:30
San Jose (SJC) B
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
10:40
Phoenix Sky Harbor (PHX) 4

12:10
Burbank (BUR)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN143
10:40
Oakland (OAK) 2

12:10
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
11:35
Las Vegas Harry Reid (LAS) 1

17:05
Midway, Chicago (MDW)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
11:35
Las Vegas Harry Reid (LAS) 1

17:05
Midway, Chicago (MDW)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
11:35
Las Vegas Harry Reid (LAS) 1

17:05
Midway, Chicago (MDW)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
11:35
Las Vegas Harry Reid (LAS) 1

17:05
Midway, Chicago (MDW)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
11:35
Las Vegas Harry Reid (LAS) 1

17:05
Midway, Chicago (MDW)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
11:50
Las Vegas Harry Reid (LAS) 1

17:00
Saint Louis (STL) 2
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
11:50
Las Vegas Harry Reid (LAS) 1

17:00
Saint Louis (STL) 2
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
12:15
Las Vegas Harry Reid (LAS) 1

15:10
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
12:15
Las Vegas Harry Reid (LAS) 1

15:10
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
13:00
Albuquerque (ABQ)

14:10
Los Angeles (LAX) 1
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
13:30
Phoenix Sky Harbor (PHX) 4

17:35
San Antonio (SAT) A
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
13:40
Manchester (MHT)

15:15
Baltimore (BWI)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
14:50
Los Angeles (LAX) 1

16:10
San Francisco (SFO) 2
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
16:35
Orlando (MCO)

18:25
Austin (AUS)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
18:30
Phoenix Sky Harbor (PHX) 4

22:35
San Antonio (SAT) A
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
18:30
Phoenix Sky Harbor (PHX) 4

22:35
San Antonio (SAT) A
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
18:30
Phoenix Sky Harbor (PHX) 4

22:35
San Antonio (SAT) A
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
20:55
Orlando (MCO)

22:45
Austin (AUS)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN143
07:20
Midway, Chicago (MDW)

12:10
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

17:05
Midway, Chicago (MDW)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

17:05
Midway, Chicago (MDW)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

17:05
Midway, Chicago (MDW)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

17:05
Midway, Chicago (MDW)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:20
Oakland (OAK) 2

17:05
Midway, Chicago (MDW)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
09:40
Oakland (OAK) 2

17:00
Saint Louis (STL) 2
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:20, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
09:40
Oakland (OAK) 2

17:00
Saint Louis (STL) 2
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:20, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN143
10:05
Oakland (OAK) 2

15:10
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
10:05
Oakland (OAK) 2

15:10
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN143
13:00
Albuquerque (ABQ)

16:10
San Francisco (SFO) 2
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Los Angeles (LAX)
  • Albuquerque (ABQ) - San Francisco (SFO)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - Midway, Chicago (MDW)
  • Las Vegas Harry Reid (LAS) - Saint Louis (STL)
  • Los Angeles (LAX) - San Francisco (SFO)
  • Love Field, Dallas (DAL) - Ronald Reagan Washington (DCA)
  • Manchester (MHT) - Baltimore (BWI)
  • Midway, Chicago (MDW) - Oakland (OAK)
  • Midway, Chicago (MDW) - Philadelphia (PHL)
  • Oakland (OAK) - Denver (DEN)
  • Oakland (OAK) - Las Vegas Harry Reid (LAS)
  • Oakland (OAK) - Saint Louis (STL)
  • Ontario, Los Angeles (ONT) - San Jose (SJC)
  • Orlando (MCO) - Austin (AUS)
  • Phoenix Sky Harbor (PHX) - Burbank (BUR)
  • Phoenix Sky Harbor (PHX) - San Antonio (SAT)
  • Salt Lake City (SLC) - Nashville (BNA)
  • San Jose (SJC) - Burbank (BUR)
All Southwest Airlines flights
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