Southwest Airlines flight WN 143: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:30 Austin (AUS) 06:35 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:05 Effective 2026-04-11 through 2026-05-30
Sun 05:30 Austin (AUS) 06:35 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-04-12 through 2026-05-17
Sun 05:30 Austin (AUS) 06:35 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Operates only on 2026-05-31
Mon,Thu,Fri 06:05 Austin (AUS) 07:10 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Effective 2026-04-09 through 2026-06-01
Sun 06:55 Austin (AUS) 08:00 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Operates only on 2026-05-24
Tue,Wed 07:05 Austin (AUS) 08:10 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-04-07 through 2026-06-03
Sat 07:15 Dallas Love Field (DAL) 1 08:10 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-04-11 through 2026-05-30
Sun 08:20 Saint Louis (STL) 2 09:30 Phoenix Sky Harbor (PHX) 4
WN 143 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-06-07 through 2026-08-02
Thu 09:20 Oakland (OAK) 2 10:55 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2026-01-01
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 2026-01-02 through 2026-01-04
Sun 10:10 Phoenix Sky Harbor (PHX) 4 11:20 Las Vegas Harry Reid (LAS) 1
WN 143 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-06-07 through 2026-08-02
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
Tue,Wed 10:30 Phoenix Sky Harbor (PHX) 4 12:25 Sacramento (SMF) B
WN 143 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-06-09 through 2026-07-29
Sun 10:45 Dallas Love Field (DAL) 1 13:40 Louisville (SDF)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-03-08 through 2026-04-05
Sat 11:00 Los Angeles (LAX) 1 13:55 El Paso (ELP)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-08-08 through 2026-09-26
Thu 11:35 Las Vegas Harry Reid (LAS) 1 17:05 Chicago Midway (MDW)
WN 143 Non-stop Boeing 737-700 (73W) 3:30 Valid until 2026-01-01
Sun 12:00 Las Vegas Harry Reid (LAS) 1 17:40 Birmingham (BHM)
WN 143 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 12:10 Albuquerque (ABQ) 13:30 Oakland (OAK) 2
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-06-04 through 2026-08-03
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 2026-01-02 through 2026-01-04
Mon,Thu,Fri 12:15 Milwaukee (MKE) 15:20 Austin (AUS)
WN 143 Non-stop Boeing 737-800 (73H) 3:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:15 Milwaukee (MKE) 15:20 Austin (AUS)
WN 143 Non-stop Boeing 737-800 (73H) 3:05 Effective 2026-02-20 through 2026-03-01
Sun 14:15 Louisville (SDF) 14:35 Chicago Midway (MDW)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-08 through 2026-04-05
Thu,Fri,Sun 15:10 Milwaukee (MKE) 18:10 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-01-11 through 2026-01-16
Mon,Sun 15:10 Milwaukee (MKE) 18:10 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 15:10 Milwaukee (MKE) 18:10 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-02-01 through 2026-02-06
Mon,Sun 15:10 Milwaukee (MKE) 18:10 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 15:10 Milwaukee (MKE) 18:10 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-02-17 through 2026-02-23
Mon 15:10 Milwaukee (MKE) 18:10 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2026-03-02
Mon-Fri 15:15 Lubbock (LBB) 16:25 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 15:15 Lubbock (LBB) 16:25 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-01-18 through 2026-01-23
Mon-Fri 15:15 Lubbock (LBB) 16:25 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 15:15 Lubbock (LBB) 16:25 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-02-08 through 2026-02-11
Tue,Wed 15:15 Lubbock (LBB) 16:25 Dallas Love Field (DAL) 1
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-02-18 through 2026-03-04
Sun 15:15 Chicago Midway (MDW) 17:05 Grand Rapids (GRR)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-03-08 through 2026-04-05
Tue,Wed 15:55 Houston Hobby (HOU) 17:50 Nashville (BNA)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 15:55 Houston Hobby (HOU) 17:50 Nashville (BNA)
WN 143 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-08-06 through 2026-09-28
Sat 16:15 Milwaukee (MKE) 19:15 Austin (AUS)
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-02-14 through 2026-02-28
Sat 16:30 Los Angeles (LAX) 1 17:55 San Francisco (SFO) 2
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-10 through 2026-02-07
Sun 18:25 Houston Hobby (HOU) 20:20 Nashville (BNA)
WN 143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-09 through 2026-09-27
Sat 21:35 Houston Hobby (HOU) 23:30 Sacramento (SMF) B
WN 143 Non-stop Boeing 737-800 (73H) 3:55 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 22:45 Phoenix Sky Harbor (PHX) 4 00:50 Oakland (OAK) 2
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-03-09 through 2026-04-06
The flight arrives 1 day after departure.
Thu,Fri 23:45 Phoenix Sky Harbor (PHX) 4 00:50 Oakland (OAK) 2
WN 143 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-03-05 through 2026-03-06
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 05:30 Austin (AUS) 08:10 Las Vegas Harry Reid (LAS) 1
WN 143 1-stop Boeing 737-800 (73H) 4:40 Effective 2026-04-11 through 2026-05-30
Sun 08:20 Saint Louis (STL) 2 11:20 Las Vegas Harry Reid (LAS) 1
WN 143 1-stop Boeing 737-800 (73H) 5:00 Effective 2026-06-07 through 2026-08-02
Thu 09:20 Oakland (OAK) 2 17:05 Chicago Midway (MDW)
WN 143 1-stop Boeing 737-700 (73W) 5:45 Valid until 2026-01-01
Fri,Sun 10:05 Oakland (OAK) 2 15:10 Denver (DEN)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-02 through 2026-01-04
Sun 10:10 Phoenix Sky Harbor (PHX) 4 17:40 Birmingham (BHM)
WN 143 1-stop Boeing 737-800 (73H) 5:30 Effective 2026-06-07 through 2026-08-02
Sun 10:45 Dallas Love Field (DAL) 1 14:35 Chicago Midway (MDW)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-03-08 through 2026-04-05
Sun 14:15 Louisville (SDF) 17:05 Grand Rapids (GRR)
WN 143 1-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-03-08 through 2026-04-05
Sun 08:20 Saint Louis (STL) 2 17:40 Birmingham (BHM)
WN 143 2-stop Boeing 737-800 (73H) 9:20 Effective 2026-06-07 through 2026-08-02
Sun 10:45 Dallas Love Field (DAL) 1 17:05 Grand Rapids (GRR)
WN 143 2-stop Boeing 737-700 (Scimitar Winglets) 5:20 Effective 2026-03-08 through 2026-04-05
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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
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN143
05:30
Austin (AUS)

06:35
Dallas Love Field (DAL) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
05:30
Austin (AUS)

06:35
Dallas Love Field (DAL) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
05:30
Austin (AUS)

06:35
Dallas Love Field (DAL) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
06:05
Austin (AUS)

07:10
Dallas Love Field (DAL) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
06:55
Austin (AUS)

08:00
Dallas Love Field (DAL) 1
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
07:05
Austin (AUS)

08:10
Dallas Love Field (DAL) 1
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
07:15
Dallas Love Field (DAL) 1

08:10
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
08:20
Saint Louis (STL) 2

09:30
Phoenix Sky Harbor (PHX) 4
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
09:20
Oakland (OAK) 2

10:55
Las Vegas Harry Reid (LAS) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN143
10:05
Oakland (OAK) 2

11:40
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
10:10
Phoenix Sky Harbor (PHX) 4

11:20
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
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)
Direct Flights:
Southwest Airlines WN143
10:30
Phoenix Sky Harbor (PHX) 4

12:25
Sacramento (SMF) B
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
10:45
Dallas Love Field (DAL) 1

13:40
Louisville (SDF)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
11:00
Los Angeles (LAX) 1

13:55
El Paso (ELP)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
11:35
Las Vegas Harry Reid (LAS) 1

17:05
Chicago Midway (MDW)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN143
12:00
Las Vegas Harry Reid (LAS) 1

17:40
Birmingham (BHM)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
12:10
Albuquerque (ABQ)

13:30
Oakland (OAK) 2
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
12:15
Las Vegas Harry Reid (LAS) 1

15:10
Denver (DEN)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
12:15
Milwaukee (MKE)

15:20
Austin (AUS)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
12:15
Milwaukee (MKE)

15:20
Austin (AUS)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
14:15
Louisville (SDF)

14:35
Chicago Midway (MDW)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
15:10
Milwaukee (MKE)

18:10
Austin (AUS)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:10
Milwaukee (MKE)

18:10
Austin (AUS)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:10
Milwaukee (MKE)

18:10
Austin (AUS)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:10
Milwaukee (MKE)

18:10
Austin (AUS)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:10
Milwaukee (MKE)

18:10
Austin (AUS)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:10
Milwaukee (MKE)

18:10
Austin (AUS)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:15
Lubbock (LBB)

16:25
Dallas Love Field (DAL) 1
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:15
Lubbock (LBB)

16:25
Dallas Love Field (DAL) 1
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:15
Lubbock (LBB)

16:25
Dallas Love Field (DAL) 1
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:15
Lubbock (LBB)

16:25
Dallas Love Field (DAL) 1
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:15
Lubbock (LBB)

16:25
Dallas Love Field (DAL) 1
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
15:15
Chicago Midway (MDW)

17:05
Grand Rapids (GRR)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
15:55
Houston Hobby (HOU)

17:50
Nashville (BNA)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
15:55
Houston Hobby (HOU)

17:50
Nashville (BNA)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
16:15
Milwaukee (MKE)

19:15
Austin (AUS)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN143
16:30
Los Angeles (LAX) 1

17:55
San Francisco (SFO) 2
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
18:25
Houston Hobby (HOU)

20:20
Nashville (BNA)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN143
21:35
Houston Hobby (HOU)

23:30
Sacramento (SMF) B
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN143
22:45
Phoenix Sky Harbor (PHX) 4

00:50(+1)
Oakland (OAK) 2
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN143
23:45
Phoenix Sky Harbor (PHX) 4

00:50(+1)
Oakland (OAK) 2
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN143
05:30
Austin (AUS)

08:10
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:40, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN143
08:20
Saint Louis (STL) 2

11:20
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:00, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN143
09:20
Oakland (OAK) 2

17:05
Chicago Midway (MDW)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN143
10:05
Oakland (OAK) 2

15:10
Denver (DEN)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN143
10:10
Phoenix Sky Harbor (PHX) 4

17:40
Birmingham (BHM)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:30, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN143
10:45
Dallas Love Field (DAL) 1

14:35
Chicago Midway (MDW)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN143
14:15
Louisville (SDF)

17:05
Grand Rapids (GRR)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN143
08:20
Saint Louis (STL) 2

17:40
Birmingham (BHM)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:20, 2-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN143
10:45
Dallas Love Field (DAL) 1

17:05
Grand Rapids (GRR)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:20, 2-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Oakland (OAK)
  • Austin (AUS) - Dallas Love Field (DAL)
  • Austin (AUS) - Las Vegas Harry Reid (LAS)
  • Chicago Midway (MDW) - Grand Rapids (GRR)
  • Dallas Love Field (DAL) - Chicago Midway (MDW)
  • Dallas Love Field (DAL) - Grand Rapids (GRR)
  • Dallas Love Field (DAL) - Las Vegas Harry Reid (LAS)
  • Dallas Love Field (DAL) - Louisville (SDF)
  • Houston Hobby (HOU) - Nashville (BNA)
  • Houston Hobby (HOU) - Sacramento (SMF)
  • Las Vegas Harry Reid (LAS) - Birmingham (BHM)
  • Las Vegas Harry Reid (LAS) - Chicago Midway (MDW)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Los Angeles (LAX) - El Paso (ELP)
  • Los Angeles (LAX) - San Francisco (SFO)
  • Louisville (SDF) - Chicago Midway (MDW)
  • Louisville (SDF) - Grand Rapids (GRR)
  • Lubbock (LBB) - Dallas Love Field (DAL)
  • Milwaukee (MKE) - Austin (AUS)
  • Oakland (OAK) - Chicago Midway (MDW)
  • Oakland (OAK) - Denver (DEN)
  • Oakland (OAK) - Las Vegas Harry Reid (LAS)
  • Phoenix Sky Harbor (PHX) - Birmingham (BHM)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Phoenix Sky Harbor (PHX) - Oakland (OAK)
  • Phoenix Sky Harbor (PHX) - Sacramento (SMF)
  • Saint Louis (STL) - Birmingham (BHM)
  • Saint Louis (STL) - Las Vegas Harry Reid (LAS)
  • Saint Louis (STL) - Phoenix Sky Harbor (PHX)
All Southwest Airlines flights
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