Southwest Airlines flight WN 3143: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:55 Raleigh/Durham (RDU) 1 08:45 Las Vegas Harry Reid (LAS) 1
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 4:50 Effective 2025-06-07 through 2025-08-02
Tue,Wed 07:35 Tampa (TPA) 09:25 Denver (DEN)
WN 3143 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2025-10-07 through 2025-10-29
Fri 08:40 Las Vegas Harry Reid (LAS) 1 09:55 Long Beach (LGB)
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-07-04
Tue,Wed 08:50 Baltimore (BWI) 11:35 Austin (AUS)
WN 3143 Non-stop Boeing 737-800 (73H) 3:45 Valid until 2025-06-04
Sat 09:30 Las Vegas Harry Reid (LAS) 1 10:40 Long Beach (LGB)
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 09:40 Las Vegas Harry Reid (LAS) 1 10:50 Long Beach (LGB)
WN 3143 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 09:40 Las Vegas Harry Reid (LAS) 1 10:50 Long Beach (LGB)
WN 3143 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-07-07 through 2025-08-04
Tue,Wed 09:45 Houston Hobby (HOU) 11:40 Sacramento (SMF) B
WN 3143 Non-stop Boeing 737-700 (73W) 3:55 Effective 2025-08-05 through 2025-10-01
Tue,Wed 10:15 Las Vegas Harry Reid (LAS) 1 11:25 Long Beach (LGB)
WN 3143 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-06-10 through 2025-07-30
Sun 10:20 Tampa (TPA) 12:15 Denver (DEN)
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-10-05 through 2025-10-26
Sun 10:45 Las Vegas Harry Reid (LAS) 1 12:00 Long Beach (LGB)
WN 3143 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-08 through 2025-08-03
Sun 12:35 Long Beach (LGB) 13:45 San Jose (SJC) B
WN 3143 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-06-08 through 2025-08-03
Sun 13:25 Austin (AUS) 14:20 Las Vegas Harry Reid (LAS) 1
WN 3143 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2025-05-25
Mon,Thu,Fri 13:40 Baltimore (BWI) 16:15 Austin (AUS)
WN 3143 Non-stop Boeing 737-700 (73W) 3:35 Valid until 2025-06-02
Sun 14:00 Austin (AUS) 15:00 Las Vegas Harry Reid (LAS) 1
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2025-05-18
Sun 14:00 Austin (AUS) 15:00 Las Vegas Harry Reid (LAS) 1
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2025-06-01
Tue,Wed 14:40 Las Vegas Harry Reid (LAS) 1 17:25 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:40 Las Vegas Harry Reid (LAS) 1 17:25 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-11-17 through 2025-11-20
Mon-Fri 14:40 Las Vegas Harry Reid (LAS) 1 17:25 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:40 Las Vegas Harry Reid (LAS) 1 17:25 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:40 Las Vegas Harry Reid (LAS) 1 17:25 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-12-24 through 2026-01-01
Fri 15:40 Tampa (TPA) 17:30 Denver (DEN)
WN 3143 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-10-03 through 2025-10-31
Mon,Thu 15:55 Tampa (TPA) 17:50 Denver (DEN)
WN 3143 Non-stop Boeing 737-800 (73H) 3:55 Effective 2025-10-02 through 2025-10-30
Mon,Thu,Fri 16:50 Austin (AUS) 17:50 Las Vegas Harry Reid (LAS) 1
WN 3143 Non-stop Boeing 737-700 (73W) 3:00 Valid until 2025-06-02
Sat 17:00 Tampa (TPA) 18:55 Denver (DEN)
WN 3143 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-10-04 through 2025-11-01
Sat 17:55 Austin (AUS) 18:55 Las Vegas Harry Reid (LAS) 1
WN 3143 Non-stop Boeing 737-800 (73H) 3:00 Valid until 2025-05-31
Mon,Thu,Fri,Sun 20:55 Las Vegas Harry Reid (LAS) 1 23:40 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:55 Las Vegas Harry Reid (LAS) 1 23:40 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:55 Las Vegas Harry Reid (LAS) 1 23:40 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-12-07 through 2025-12-14
Thu 20:55 Las Vegas Harry Reid (LAS) 1 23:40 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2025-12-18
Mon 20:55 Las Vegas Harry Reid (LAS) 1 23:40 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-01-05
Sun 21:25 Las Vegas Harry Reid (LAS) 1 00:10 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2025-11-30
The flight arrives 1 day after departure.
Mon-Wed 21:30 Las Vegas Harry Reid (LAS) 1 00:15 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-25 through 2025-12-01
The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 21:30 Las Vegas Harry Reid (LAS) 1 00:15 Colorado Springs (COS)
WN 3143 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-12-19 through 2026-01-04
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 06:55 Raleigh/Durham (RDU) 1 10:40 Long Beach (LGB)
WN 3143 1-stop Boeing 737 MAX 8 (7M8) 6:45 Effective 2025-06-07 through 2025-08-02
Sun 10:45 Las Vegas Harry Reid (LAS) 1 13:45 San Jose (SJC) B
WN 3143 1-stop Boeing 737-700 (73W) 3:00 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 13:40 Baltimore (BWI) 17:50 Las Vegas Harry Reid (LAS) 1
WN 3143 1-stop Boeing 737-700 (73W) 7:10 Valid until 2025-06-02
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3143: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3143
06:55
Raleigh/Durham (RDU) 1

08:45
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
07:35
Tampa (TPA)

09:25
Denver (DEN)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3143
08:40
Las Vegas Harry Reid (LAS) 1

09:55
Long Beach (LGB)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
08:50
Baltimore (BWI)

11:35
Austin (AUS)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
09:30
Las Vegas Harry Reid (LAS) 1

10:40
Long Beach (LGB)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
09:40
Las Vegas Harry Reid (LAS) 1

10:50
Long Beach (LGB)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
09:40
Las Vegas Harry Reid (LAS) 1

10:50
Long Beach (LGB)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
09:45
Houston Hobby (HOU)

11:40
Sacramento (SMF) B
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3143
10:15
Las Vegas Harry Reid (LAS) 1

11:25
Long Beach (LGB)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
10:20
Tampa (TPA)

12:15
Denver (DEN)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
10:45
Las Vegas Harry Reid (LAS) 1

12:00
Long Beach (LGB)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3143
12:35
Long Beach (LGB)

13:45
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 737-700 (73W)
Southwest Airlines WN3143
13:25
Austin (AUS)

14:20
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
13:40
Baltimore (BWI)

16:15
Austin (AUS)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3143
14:00
Austin (AUS)

15:00
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
14:00
Austin (AUS)

15:00
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
14:40
Las Vegas Harry Reid (LAS) 1

17:25
Colorado Springs (COS)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3143
14:40
Las Vegas Harry Reid (LAS) 1

17:25
Colorado Springs (COS)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3143
14:40
Las Vegas Harry Reid (LAS) 1

17:25
Colorado Springs (COS)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3143
14:40
Las Vegas Harry Reid (LAS) 1

17:25
Colorado Springs (COS)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3143
14:40
Las Vegas Harry Reid (LAS) 1

17:25
Colorado Springs (COS)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3143
15:40
Tampa (TPA)

17:30
Denver (DEN)
Effective 2025-10-03 through 2025-10-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
15:55
Tampa (TPA)

17:50
Denver (DEN)
Effective 2025-10-02 through 2025-10-30
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
16:50
Austin (AUS)

17:50
Las Vegas Harry Reid (LAS) 1
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3143
17:00
Tampa (TPA)

18:55
Denver (DEN)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
17:55
Austin (AUS)

18:55
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
20:55
Las Vegas Harry Reid (LAS) 1

23:40
Colorado Springs (COS)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
20:55
Las Vegas Harry Reid (LAS) 1

23:40
Colorado Springs (COS)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
20:55
Las Vegas Harry Reid (LAS) 1

23:40
Colorado Springs (COS)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
20:55
Las Vegas Harry Reid (LAS) 1

23:40
Colorado Springs (COS)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
20:55
Las Vegas Harry Reid (LAS) 1

23:40
Colorado Springs (COS)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3143
21:25
Las Vegas Harry Reid (LAS) 1

00:10(+1)
Colorado Springs (COS)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3143
21:30
Las Vegas Harry Reid (LAS) 1

00:15(+1)
Colorado Springs (COS)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3143
21:30
Las Vegas Harry Reid (LAS) 1

00:15(+1)
Colorado Springs (COS)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3143
06:55
Raleigh/Durham (RDU) 1

10:40
Long Beach (LGB)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:45, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3143
10:45
Las Vegas Harry Reid (LAS) 1

13:45
San Jose (SJC) B
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3143
13:40
Baltimore (BWI)

17:50
Las Vegas Harry Reid (LAS) 1
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:10, 1-stop
Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Las Vegas Harry Reid (LAS)
  • Baltimore (BWI) - Austin (AUS)
  • Baltimore (BWI) - Las Vegas Harry Reid (LAS)
  • Houston Hobby (HOU) - Sacramento (SMF)
  • Las Vegas Harry Reid (LAS) - Colorado Springs (COS)
  • Las Vegas Harry Reid (LAS) - Long Beach (LGB)
  • Las Vegas Harry Reid (LAS) - San Jose (SJC)
  • Long Beach (LGB) - San Jose (SJC)
  • Raleigh/Durham (RDU) - Las Vegas Harry Reid (LAS)
  • Raleigh/Durham (RDU) - Long Beach (LGB)
  • Tampa (TPA) - Denver (DEN)
All Southwest Airlines flights
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