Southwest Airlines flight WN 2143: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:30 Saint Louis (STL) 2 07:05 Denver (DEN)
WN 2143 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-01-10 through 2026-02-07
Mon,Thu 05:35 Saint Louis (STL) 2 07:10 Denver (DEN)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-02-12 through 2026-02-16
Fri 05:35 Saint Louis (STL) 2 07:10 Denver (DEN)
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-02-13 through 2026-02-20
Thu,Fri,Sun 05:35 Saint Louis (STL) 2 07:10 Denver (DEN)
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-02-22 through 2026-03-01
Sat 05:45 Saint Louis (STL) 2 07:15 Denver (DEN)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-02-14 through 2026-02-28
Mon-Fri 06:20 Saint Louis (STL) 2 07:50 Denver (DEN)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 06:20 Saint Louis (STL) 2 07:50 Denver (DEN)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-01-18 through 2026-01-23
Mon-Fri 06:20 Saint Louis (STL) 2 07:50 Denver (DEN)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 06:20 Saint Louis (STL) 2 07:50 Denver (DEN)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-02-08 through 2026-02-11
Tue,Wed 06:20 Saint Louis (STL) 2 07:50 Denver (DEN)
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-02-18 through 2026-02-24
Tue,Wed 06:20 Saint Louis (STL) 2 07:50 Denver (DEN)
WN 2143 Non-stop Boeing 737-800 (73H) 2:30 Effective 2026-02-25 through 2026-03-04
Wed,Thu 06:45 Dallas Love Field (DAL) 1 08:55 Chicago Midway (MDW)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Valid until 2026-01-01
Sun 10:35 Norfolk (ORF) 11:40 Baltimore (BWI)
WN 2143 Non-stop Boeing 737-800 (73H) 1:05 Operates only on 2026-05-24
Sun 11:30 West Palm Beach (PBI) 14:15 Islip (ISP)
WN 2143 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-06-07 through 2026-08-02
Sat 12:15 Islip (ISP) 13:30 Baltimore (BWI)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-06-06 through 2026-08-01
Tue,Wed 12:25 Islip (ISP) 13:40 Baltimore (BWI)
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 12:30 Islip (ISP) 13:45 Baltimore (BWI)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-06-04 through 2026-08-03
Sun 14:55 Islip (ISP) 16:10 Baltimore (BWI)
WN 2143 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-06-07 through 2026-08-02
Sun 15:30 Las Vegas Harry Reid (LAS) 1 20:15 Omaha (OMA)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-12 through 2026-05-17
Sun 15:30 Las Vegas Harry Reid (LAS) 1 20:15 Omaha (OMA)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-05-31
Sat 15:55 Las Vegas Harry Reid (LAS) 1 20:30 Dallas Love Field (DAL) 1
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2026-01-03
Fri,Sun 16:05 Nashville (BNA) 17:35 Pensacola (PNS)
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-02 through 2026-01-04
Tue,Wed 16:50 Las Vegas Harry Reid (LAS) 1 21:35 Omaha (OMA)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-07 through 2026-06-03
Sat 17:50 Las Vegas Harry Reid (LAS) 1 22:35 Omaha (OMA)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-11 through 2026-05-30
Fri,Sun 18:10 Pensacola (PNS) 20:05 Dallas Love Field (DAL) 1
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-01-02 through 2026-01-04
Mon,Thu,Fri 18:45 Baltimore (BWI) 21:20 Dallas Love Field (DAL) 1
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 18:55 Las Vegas Harry Reid (LAS) 1 23:40 Omaha (OMA)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-09 through 2026-06-01
Mon 19:50 Dallas Love Field (DAL) 1 22:00 Chicago Midway (MDW)
WN 2143 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-01-05
Fri,Sun 20:40 Dallas Love Field (DAL) 1 22:50 Chicago Midway (MDW)
WN 2143 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-01-02 through 2026-01-04
Mon,Thu,Fri 22:00 Dallas Love Field (DAL) 1 23:30 Kansas City (MCI)
WN 2143 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-05 through 2026-04-06
Daily 23:00 Las Vegas Harry Reid (LAS) 1 06:30 Baltimore (BWI)
WN 2143 Non-stop Boeing 737-800 (73H) 4:30 Effective 2026-08-04 through 2026-09-30
The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 11:30 West Palm Beach (PBI) 16:10 Baltimore (BWI)
WN 2143 1-stop Boeing 737-800 (73H) 4:40 Effective 2026-06-07 through 2026-08-02
Fri,Sun 16:05 Nashville (BNA) 20:05 Dallas Love Field (DAL) 1
WN 2143 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-01-02 through 2026-01-04
Fri,Sun 18:10 Pensacola (PNS) 22:50 Chicago Midway (MDW)
WN 2143 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-01-02 through 2026-01-04
Mon,Thu,Fri 18:45 Baltimore (BWI) 23:30 Kansas City (MCI)
WN 2143 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-03-05 through 2026-04-06
Fri,Sun 16:05 Nashville (BNA) 22:50 Chicago Midway (MDW)
WN 2143 2-stop Boeing 737-700 (Scimitar Winglets) 6:45 Effective 2026-01-02 through 2026-01-04
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 2143: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN2143
05:30
Saint Louis (STL) 2

07:05
Denver (DEN)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2143
05:35
Saint Louis (STL) 2

07:10
Denver (DEN)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
05:35
Saint Louis (STL) 2

07:10
Denver (DEN)
Effective 2026-02-13 through 2026-02-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
05:35
Saint Louis (STL) 2

07:10
Denver (DEN)
Effective 2026-02-22 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
05:45
Saint Louis (STL) 2

07:15
Denver (DEN)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
06:20
Saint Louis (STL) 2

07:50
Denver (DEN)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
06:20
Saint Louis (STL) 2

07:50
Denver (DEN)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
06:20
Saint Louis (STL) 2

07:50
Denver (DEN)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
06:20
Saint Louis (STL) 2

07:50
Denver (DEN)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
06:20
Saint Louis (STL) 2

07:50
Denver (DEN)
Effective 2026-02-18 through 2026-02-24
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
06:20
Saint Louis (STL) 2

07:50
Denver (DEN)
Effective 2026-02-25 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2143
06:45
Dallas Love Field (DAL) 1

08:55
Chicago Midway (MDW)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
10:35
Norfolk (ORF)

11:40
Baltimore (BWI)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2143
11:30
West Palm Beach (PBI)

14:15
Islip (ISP)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2143
12:15
Islip (ISP)

13:30
Baltimore (BWI)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
12:25
Islip (ISP)

13:40
Baltimore (BWI)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
12:30
Islip (ISP)

13:45
Baltimore (BWI)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
14:55
Islip (ISP)

16:10
Baltimore (BWI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2143
15:30
Las Vegas Harry Reid (LAS) 1

20:15
Omaha (OMA)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
15:30
Las Vegas Harry Reid (LAS) 1

20:15
Omaha (OMA)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
15:55
Las Vegas Harry Reid (LAS) 1

20:30
Dallas Love Field (DAL) 1
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
16:05
Nashville (BNA)

17:35
Pensacola (PNS)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
16:50
Las Vegas Harry Reid (LAS) 1

21:35
Omaha (OMA)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
17:50
Las Vegas Harry Reid (LAS) 1

22:35
Omaha (OMA)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
18:10
Pensacola (PNS)

20:05
Dallas Love Field (DAL) 1
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 WN2143
18:45
Baltimore (BWI)

21:20
Dallas Love Field (DAL) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
18:55
Las Vegas Harry Reid (LAS) 1

23:40
Omaha (OMA)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
19:50
Dallas Love Field (DAL) 1

22:00
Chicago Midway (MDW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2143
20:40
Dallas Love Field (DAL) 1

22:50
Chicago Midway (MDW)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2143
22:00
Dallas Love Field (DAL) 1

23:30
Kansas City (MCI)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN2143
23:00
Las Vegas Harry Reid (LAS) 1

06:30(+1)
Baltimore (BWI)
Effective 2026-08-04 through 2026-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN2143
11:30
West Palm Beach (PBI)

16:10
Baltimore (BWI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:40, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN2143
16:05
Nashville (BNA)

20:05
Dallas Love Field (DAL) 1
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2143
18:10
Pensacola (PNS)

22:50
Chicago Midway (MDW)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2143
18:45
Baltimore (BWI)

23:30
Kansas City (MCI)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN2143
16:05
Nashville (BNA)

22:50
Chicago Midway (MDW)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:45, 2-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Dallas Love Field (DAL)
  • Baltimore (BWI) - Kansas City (MCI)
  • Dallas Love Field (DAL) - Chicago Midway (MDW)
  • Dallas Love Field (DAL) - Kansas City (MCI)
  • Islip (ISP) - Baltimore (BWI)
  • Las Vegas Harry Reid (LAS) - Baltimore (BWI)
  • Las Vegas Harry Reid (LAS) - Dallas Love Field (DAL)
  • Las Vegas Harry Reid (LAS) - Omaha (OMA)
  • Nashville (BNA) - Chicago Midway (MDW)
  • Nashville (BNA) - Dallas Love Field (DAL)
  • Nashville (BNA) - Pensacola (PNS)
  • Norfolk (ORF) - Baltimore (BWI)
  • Pensacola (PNS) - Chicago Midway (MDW)
  • Pensacola (PNS) - Dallas Love Field (DAL)
  • Saint Louis (STL) - Denver (DEN)
  • West Palm Beach (PBI) - Baltimore (BWI)
  • West Palm Beach (PBI) - Islip (ISP)
All Southwest Airlines flights
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