Southwest Airlines flight WN 4243: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:20 Phoenix Sky Harbor (PHX) 4 07:35 San Diego (SAN) 1
WN 4243 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-03-14 through 2026-04-04
Mon,Thu,Fri 06:25 Phoenix Sky Harbor (PHX) 4 07:40 San Diego (SAN) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-09 through 2026-04-06
Sun 06:30 Phoenix Sky Harbor (PHX) 4 07:45 San Diego (SAN) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-08 through 2026-04-05
Sat 07:05 New York LaGuardia (LGA) B 09:45 Houston Hobby (HOU)
WN 4243 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-06-06 through 2026-08-01
Sat 07:20 Phoenix Sky Harbor (PHX) 4 07:35 San Diego (SAN) 1
WN 4243 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-03-07
Thu,Fri 07:25 Phoenix Sky Harbor (PHX) 4 07:40 San Diego (SAN) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-03-05 through 2026-03-06
Sun 11:00 Charlotte (CLT) 12:35 Dallas Love Field (DAL) 1
WN 4243 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-08-09 through 2026-09-27
Tue,Wed 15:00 Denver (DEN) 16:25 Long Beach (LGB)
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-08-04 through 2026-09-30
Sat 15:45 Dallas Love Field (DAL) 1 17:20 Kansas City (MCI)
WN 4243 Non-stop Boeing 737-800 (73H) 1:35 Valid until 2026-01-03
Sat 16:35 Denver (DEN) 19:30 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-14 through 2026-02-28
Sat 17:10 Denver (DEN) 20:05 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-01-10 through 2026-02-07
Mon,Tue,Fri,Sun 18:15 Baltimore (BWI) 19:35 Albany (ALB)
WN 4243 Non-stop Boeing 737-800 (73H) 1:20 Valid until 2026-01-04
Tue,Wed 18:40 Denver (DEN) 21:40 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-10 through 2026-02-11
Tue,Wed 18:40 Denver (DEN) 21:40 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-18 through 2026-03-04
Mon-Fri,Sun 18:45 Denver (DEN) 21:40 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-01-06 through 2026-02-09
Tue,Thu,Sun 18:45 Denver (DEN) 21:40 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-15 through 2026-02-19
Mon 18:45 Denver (DEN) 21:40 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-23 through 2026-03-02
Sun 18:50 San Jose (SJC) B 20:25 Las Vegas Harry Reid (LAS) 1
WN 4243 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2026-05-24
Sun 19:05 San Jose (SJC) B 20:35 Las Vegas Harry Reid (LAS) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-04-12 through 2026-05-17
Sun 19:05 San Jose (SJC) B 20:35 Las Vegas Harry Reid (LAS) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-05-31
Mon,Thu,Fri 20:05 Denver (DEN) 23:00 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:05 Denver (DEN) 23:00 Minneapolis/Saint Paul (MSP) 2
WN 4243 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-20 through 2026-03-01
Sat 20:10 San Jose (SJC) B 21:40 Las Vegas Harry Reid (LAS) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-04-11 through 2026-05-30
Mon,Tue,Fri,Sun 20:15 Albany (ALB) 21:30 Chicago Midway (MDW)
WN 4243 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2026-01-04
Mon,Thu,Fri 20:15 San Jose (SJC) B 21:45 Las Vegas Harry Reid (LAS) 1
WN 4243 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-09 through 2026-06-01
Tue,Wed 20:55 Orlando (MCO) 22:10 Fort Lauderdale (FLL) 1
WN 4243 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-09 through 2026-07-29
Sun 21:45 Saint Louis (STL) 2 23:05 Denver (DEN)
WN 4243 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-06-07 through 2026-08-02
Non-Direct Flights:
Mon,Tue,Fri,Sun 18:15 Baltimore (BWI) 21:30 Chicago Midway (MDW)
WN 4243 1-stop Boeing 737-800 (73H) 4:15 Valid until 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 4243: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4243
06:20
Phoenix Sky Harbor (PHX) 4

07:35
San Diego (SAN) 1
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4243
06:25
Phoenix Sky Harbor (PHX) 4

07:40
San Diego (SAN) 1
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
06:30
Phoenix Sky Harbor (PHX) 4

07:45
San Diego (SAN) 1
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
07:05
New York LaGuardia (LGA) B

09:45
Houston Hobby (HOU)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
07:20
Phoenix Sky Harbor (PHX) 4

07:35
San Diego (SAN) 1
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4243
07:25
Phoenix Sky Harbor (PHX) 4

07:40
San Diego (SAN) 1
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
11:00
Charlotte (CLT)

12:35
Dallas Love Field (DAL) 1
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
15:00
Denver (DEN)

16:25
Long Beach (LGB)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
15:45
Dallas Love Field (DAL) 1

17:20
Kansas City (MCI)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
16:35
Denver (DEN)

19:30
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
17:10
Denver (DEN)

20:05
Minneapolis/Saint Paul (MSP) 2
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4243
18:15
Baltimore (BWI)

19:35
Albany (ALB)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
18:40
Denver (DEN)

21:40
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
18:40
Denver (DEN)

21:40
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
18:45
Denver (DEN)

21:40
Minneapolis/Saint Paul (MSP) 2
Effective 2026-01-06 through 2026-02-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
18:45
Denver (DEN)

21:40
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
18:45
Denver (DEN)

21:40
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
18:50
San Jose (SJC) B

20:25
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4243
19:05
San Jose (SJC) B

20:35
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
19:05
San Jose (SJC) B

20:35
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
20:05
Denver (DEN)

23:00
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
20:05
Denver (DEN)

23:00
Minneapolis/Saint Paul (MSP) 2
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
20:10
San Jose (SJC) B

21:40
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4243
20:15
Albany (ALB)

21:30
Chicago Midway (MDW)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4243
20:15
San Jose (SJC) B

21:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4243
20:55
Orlando (MCO)

22:10
Fort Lauderdale (FLL) 1
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 WN4243
21:45
Saint Louis (STL) 2

23:05
Denver (DEN)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4243
18:15
Baltimore (BWI)

21:30
Chicago Midway (MDW)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:15, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Albany (ALB) - Chicago Midway (MDW)
  • Baltimore (BWI) - Albany (ALB)
  • Baltimore (BWI) - Chicago Midway (MDW)
  • Charlotte (CLT) - Dallas Love Field (DAL)
  • Dallas Love Field (DAL) - Kansas City (MCI)
  • Denver (DEN) - Long Beach (LGB)
  • Denver (DEN) - Minneapolis/Saint Paul (MSP)
  • New York LaGuardia (LGA) - Houston Hobby (HOU)
  • Orlando (MCO) - Fort Lauderdale (FLL)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • Saint Louis (STL) - Denver (DEN)
  • San Jose (SJC) - Las Vegas Harry Reid (LAS)
All Southwest Airlines flights
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