Southwest Airlines flight WN 1231: Multiple routes

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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
Fri 06:30 San Jose (SJC) B 12:00 Love Field, Dallas (DAL) 1
WN 1231 Non-stop Boeing 737-700 (73W) 3:30 Operates only on 2025-07-04
Mon,Thu,Fri 07:25 Fort Lauderdale (FLL) 1 08:45 Nashville (BNA)
WN 1231 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-08-07 through 2025-09-29
Thu 07:55 Love Field, Dallas (DAL) 1 09:15 Long Beach (LGB)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Operates only on 2025-11-27
Sat 08:00 Fort Lauderdale (FLL) 1 09:20 Nashville (BNA)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-08-09 through 2025-09-27
Sun 08:05 Fort Lauderdale (FLL) 1 09:25 Nashville (BNA)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-08-10 through 2025-08-24
Sun 08:05 Fort Lauderdale (FLL) 1 09:25 Nashville (BNA)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-09-07 through 2025-09-28
Sun 09:20 Fort Lauderdale (FLL) 1 10:40 Nashville (BNA)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-08-31
Tue,Wed 11:55 Fort Lauderdale (FLL) 1 13:15 Nashville (BNA)
WN 1231 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-08-05 through 2025-10-01
Fri 12:40 Love Field, Dallas (DAL) 1 13:50 Lubbock (LBB)
WN 1231 Non-stop Boeing 737-700 (73W) 1:10 Operates only on 2025-07-04
Tue,Wed 13:15 San Diego (SAN) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:15 San Diego (SAN) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:15 San Diego (SAN) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:15 San Diego (SAN) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:15 San Diego (SAN) 1 15:40 Phoenix Sky Harbor (PHX) 4
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-24 through 2026-01-01
Sat 13:25 Houston Hobby (HOU) 14:55 Lubbock (LBB)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-06-07 through 2025-08-02
Sun 13:35 Fort Lauderdale (FLL) 1 16:05 Baltimore (BWI)
WN 1231 Non-stop Boeing 737-800 (73H) 2:30 Operates only on 2025-05-25
Mon,Thu,Fri 14:20 Orlando (MCO) 16:10 Tulsa (TUL)
WN 1231 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-10-02 through 2025-10-31
Fri 14:25 Lubbock (LBB) 14:40 Las Vegas Harry Reid (LAS) 1
WN 1231 Non-stop Boeing 737-700 (73W) 2:15 Operates only on 2025-07-04
Mon,Thu,Fri 14:40 Lubbock (LBB) 14:55 Las Vegas Harry Reid (LAS) 1
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:40 Lubbock (LBB) 14:55 Las Vegas Harry Reid (LAS) 1
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-07-07 through 2025-08-04
Sat 15:35 Lubbock (LBB) 15:50 Las Vegas Harry Reid (LAS) 1
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-06-07 through 2025-08-02
Sun 15:45 Saint Louis (STL) 2 18:20 Atlanta (ATL) N
WN 1231 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-05-18
Sun 15:45 Saint Louis (STL) 2 18:20 Atlanta (ATL) N
WN 1231 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-06-01
Mon,Thu,Fri 16:05 Saint Louis (STL) 2 18:40 Atlanta (ATL) N
WN 1231 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-02
Tue,Wed 16:05 Lubbock (LBB) 16:20 Las Vegas Harry Reid (LAS) 1
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-06-10 through 2025-07-30
Tue,Wed 16:15 Phoenix Sky Harbor (PHX) 4 20:05 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 16:15 Phoenix Sky Harbor (PHX) 4 20:05 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 16:15 Phoenix Sky Harbor (PHX) 4 20:05 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 16:15 Phoenix Sky Harbor (PHX) 4 20:05 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 16:15 Phoenix Sky Harbor (PHX) 4 20:05 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-12-24 through 2026-01-01
Sat 16:30 Las Vegas Harry Reid (LAS) 1 17:50 San Diego (SAN) 1
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 16:50 Tulsa (TUL) 17:30 Phoenix Sky Harbor (PHX) 4
WN 1231 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-10-02 through 2025-10-31
Sat 17:25 Orlando (MCO) 19:50 Pittsburgh (PIT)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-11-08 through 2025-11-15
Sat 17:25 Orlando (MCO) 19:50 Pittsburgh (PIT)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-12-06 through 2025-12-13
Tue,Wed 18:00 San Antonio (SAT) A 18:55 San Diego (SAN) 1
WN 1231 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 18:10 Phoenix Sky Harbor (PHX) 4 19:20 San Diego (SAN) 1
WN 1231 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-10-02 through 2025-10-31
Sat 18:15 Las Vegas Harry Reid (LAS) 1 21:10 Colorado Springs (COS)
WN 1231 Non-stop Boeing 737-700 (73W) 1:55 Valid until 2025-05-31
Sat 18:30 San Diego (SAN) 1 23:25 Austin (AUS)
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-06-07 through 2025-08-02
Sun 18:50 San Diego (SAN) 1 20:25 Oakland (OAK) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-10-05 through 2025-10-26
Sat 19:30 San Diego (SAN) 1 21:10 Oakland (OAK) 2
WN 1231 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2025-10-04 through 2025-11-01
Tue,Wed 19:40 San Diego (SAN) 1 21:20 Oakland (OAK) 2
WN 1231 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 20:00 San Diego (SAN) 1 21:40 Oakland (OAK) 2
WN 1231 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-10-02 through 2025-10-31
Sun 20:10 Phoenix Sky Harbor (PHX) 4 00:05 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2025-11-30
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 20:30 Phoenix Sky Harbor (PHX) 4 00:25 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-11-02 through 2025-11-16
The flight arrives 1 day after departure.
Mon-Wed,Fri,Sun 20:30 Phoenix Sky Harbor (PHX) 4 00:25 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-11-21 through 2025-11-28
The flight arrives 1 day after departure.
Mon,Sun 20:30 Phoenix Sky Harbor (PHX) 4 00:25 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-01 through 2025-12-07
The flight arrives 1 day after departure.
Thu,Fri,Sun 20:30 Phoenix Sky Harbor (PHX) 4 00:25 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-12 through 2025-12-21
The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 20:30 Phoenix Sky Harbor (PHX) 4 00:25 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-22 through 2026-01-05
The flight arrives 1 day after departure.
Tue,Wed 20:40 Las Vegas Harry Reid (LAS) 1 23:30 Colorado Springs (COS)
WN 1231 Non-stop Boeing 737-800 (73H) 1:50 Valid until 2025-06-04
Sat 21:25 Phoenix Sky Harbor (PHX) 4 01:20 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-11-22 through 2025-11-29
The flight arrives 1 day after departure.
Sat 21:25 Phoenix Sky Harbor (PHX) 4 01:20 Saint Louis (STL) 2
WN 1231 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-20 through 2026-01-03
The flight arrives 1 day after departure.
Sun 22:55 Las Vegas Harry Reid (LAS) 1 01:40 Boise (BOI)
WN 1231 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-06-08 through 2025-08-03
The flight arrives 1 day after departure.
Non-Direct Flights:
Fri 06:30 San Jose (SJC) B 13:50 Lubbock (LBB)
WN 1231 1-stop Boeing 737-700 (73W) 5:20 Operates only on 2025-07-04
Fri 12:40 Love Field, Dallas (DAL) 1 14:40 Las Vegas Harry Reid (LAS) 1
WN 1231 1-stop Boeing 737-700 (73W) 4:00 Operates only on 2025-07-04
Tue,Wed 13:15 San Diego (SAN) 1 20:05 Saint Louis (STL) 2
WN 1231 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 13:15 San Diego (SAN) 1 20:05 Saint Louis (STL) 2
WN 1231 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 13:15 San Diego (SAN) 1 20:05 Saint Louis (STL) 2
WN 1231 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 13:15 San Diego (SAN) 1 20:05 Saint Louis (STL) 2
WN 1231 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 13:15 San Diego (SAN) 1 20:05 Saint Louis (STL) 2
WN 1231 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2025-12-24 through 2026-01-01
Sat 13:25 Houston Hobby (HOU) 15:50 Las Vegas Harry Reid (LAS) 1
WN 1231 1-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 14:20 Orlando (MCO) 17:30 Phoenix Sky Harbor (PHX) 4
WN 1231 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-10-02 through 2025-10-31
Sat 15:35 Lubbock (LBB) 17:50 San Diego (SAN) 1
WN 1231 1-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-06-07 through 2025-08-02
Sat 16:30 Las Vegas Harry Reid (LAS) 1 23:25 Austin (AUS)
WN 1231 1-stop Boeing 737 MAX 8 (7M8) 4:55 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 16:50 Tulsa (TUL) 19:20 San Diego (SAN) 1
WN 1231 1-stop Boeing 737-800 (73H) 4:30 Effective 2025-10-02 through 2025-10-31
Tue,Wed 18:00 San Antonio (SAT) A 21:20 Oakland (OAK) 2
WN 1231 1-stop Boeing 737-800 (73H) 5:20 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 18:10 Phoenix Sky Harbor (PHX) 4 21:40 Oakland (OAK) 2
WN 1231 1-stop Boeing 737-800 (73H) 3:30 Effective 2025-10-02 through 2025-10-31
Fri 06:30 San Jose (SJC) B 14:40 Las Vegas Harry Reid (LAS) 1
WN 1231 2-stop Boeing 737-700 (73W) 8:10 Operates only on 2025-07-04
Sat 13:25 Houston Hobby (HOU) 17:50 San Diego (SAN) 1
WN 1231 2-stop Boeing 737 MAX 8 (7M8) 6:25 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 14:20 Orlando (MCO) 19:20 San Diego (SAN) 1
WN 1231 2-stop Boeing 737-800 (73H) 8:00 Effective 2025-10-02 through 2025-10-31
Sat 15:35 Lubbock (LBB) 23:25 Austin (AUS)
WN 1231 2-stop Boeing 737 MAX 8 (7M8) 7:50 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 16:50 Tulsa (TUL) 21:40 Oakland (OAK) 2
WN 1231 2-stop Boeing 737-800 (73H) 6:50 Effective 2025-10-02 through 2025-10-31
Sat 13:25 Houston Hobby (HOU) 23:25 Austin (AUS)
WN 1231 3-stop Boeing 737 MAX 8 (7M8) 10:00 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 14:20 Orlando (MCO) 21:40 Oakland (OAK) 2
WN 1231 3-stop Boeing 737-800 (73H) 10:20 Effective 2025-10-02 through 2025-10-31
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 1231: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1231
06:30
San Jose (SJC) B

12:00
Love Field, Dallas (DAL) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
07:25
Fort Lauderdale (FLL) 1

08:45
Nashville (BNA)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
07:55
Love Field, Dallas (DAL) 1

09:15
Long Beach (LGB)
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
08:00
Fort Lauderdale (FLL) 1

09:20
Nashville (BNA)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
08:05
Fort Lauderdale (FLL) 1

09:25
Nashville (BNA)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
08:05
Fort Lauderdale (FLL) 1

09:25
Nashville (BNA)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
09:20
Fort Lauderdale (FLL) 1

10:40
Nashville (BNA)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
11:55
Fort Lauderdale (FLL) 1

13:15
Nashville (BNA)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
12:40
Love Field, Dallas (DAL) 1

13:50
Lubbock (LBB)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

15:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:25
Houston Hobby (HOU)

14:55
Lubbock (LBB)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
13:35
Fort Lauderdale (FLL) 1

16:05
Baltimore (BWI)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
14:20
Orlando (MCO)

16:10
Tulsa (TUL)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
14:25
Lubbock (LBB)

14:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
14:40
Lubbock (LBB)

14:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
14:40
Lubbock (LBB)

14:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
15:35
Lubbock (LBB)

15:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
15:45
Saint Louis (STL) 2

18:20
Atlanta (ATL) N
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
15:45
Saint Louis (STL) 2

18:20
Atlanta (ATL) N
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
16:05
Saint Louis (STL) 2

18:40
Atlanta (ATL) N
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
16:05
Lubbock (LBB)

16:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
16:15
Phoenix Sky Harbor (PHX) 4

20:05
Saint Louis (STL) 2
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
16:15
Phoenix Sky Harbor (PHX) 4

20:05
Saint Louis (STL) 2
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
16:15
Phoenix Sky Harbor (PHX) 4

20:05
Saint Louis (STL) 2
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
16:15
Phoenix Sky Harbor (PHX) 4

20:05
Saint Louis (STL) 2
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
16:15
Phoenix Sky Harbor (PHX) 4

20:05
Saint Louis (STL) 2
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
16:30
Las Vegas Harry Reid (LAS) 1

17:50
San Diego (SAN) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
16:50
Tulsa (TUL)

17:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
17:25
Orlando (MCO)

19:50
Pittsburgh (PIT)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
17:25
Orlando (MCO)

19:50
Pittsburgh (PIT)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
18:00
San Antonio (SAT) A

18:55
San Diego (SAN) 1
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
18:10
Phoenix Sky Harbor (PHX) 4

19:20
San Diego (SAN) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
18:15
Las Vegas Harry Reid (LAS) 1

21:10
Colorado Springs (COS)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
18:30
San Diego (SAN) 1

23:25
Austin (AUS)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
18:50
San Diego (SAN) 1

20:25
Oakland (OAK) 2
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
19:30
San Diego (SAN) 1

21:10
Oakland (OAK) 2
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
19:40
San Diego (SAN) 1

21:20
Oakland (OAK) 2
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
20:00
San Diego (SAN) 1

21:40
Oakland (OAK) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
20:10
Phoenix Sky Harbor (PHX) 4

00:05(+1)
Saint Louis (STL) 2
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
20:30
Phoenix Sky Harbor (PHX) 4

00:25(+1)
Saint Louis (STL) 2
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
20:30
Phoenix Sky Harbor (PHX) 4

00:25(+1)
Saint Louis (STL) 2
Effective 2025-11-21 through 2025-11-28
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
20:30
Phoenix Sky Harbor (PHX) 4

00:25(+1)
Saint Louis (STL) 2
Effective 2025-12-01 through 2025-12-07
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
20:30
Phoenix Sky Harbor (PHX) 4

00:25(+1)
Saint Louis (STL) 2
Effective 2025-12-12 through 2025-12-21
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
20:30
Phoenix Sky Harbor (PHX) 4

00:25(+1)
Saint Louis (STL) 2
Effective 2025-12-22 through 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
20:40
Las Vegas Harry Reid (LAS) 1

23:30
Colorado Springs (COS)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
21:25
Phoenix Sky Harbor (PHX) 4

01:20(+1)
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
21:25
Phoenix Sky Harbor (PHX) 4

01:20(+1)
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN1231
22:55
Las Vegas Harry Reid (LAS) 1

01:40(+1)
Boise (BOI)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1231
06:30
San Jose (SJC) B

13:50
Lubbock (LBB)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
12:40
Love Field, Dallas (DAL) 1

14:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

20:05
Saint Louis (STL) 2
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

20:05
Saint Louis (STL) 2
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

20:05
Saint Louis (STL) 2
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

20:05
Saint Louis (STL) 2
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:15
San Diego (SAN) 1

20:05
Saint Louis (STL) 2
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1231
13:25
Houston Hobby (HOU)

15:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
14:20
Orlando (MCO)

17:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
15:35
Lubbock (LBB)

17:50
San Diego (SAN) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
16:30
Las Vegas Harry Reid (LAS) 1

23:25
Austin (AUS)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:55, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
16:50
Tulsa (TUL)

19:20
San Diego (SAN) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:30, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
18:00
San Antonio (SAT) A

21:20
Oakland (OAK) 2
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:20, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
18:10
Phoenix Sky Harbor (PHX) 4

21:40
Oakland (OAK) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
06:30
San Jose (SJC) B

14:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 8:10, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN1231
13:25
Houston Hobby (HOU)

17:50
San Diego (SAN) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:25, 2-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
14:20
Orlando (MCO)

19:20
San Diego (SAN) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 8:00, 2-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
15:35
Lubbock (LBB)

23:25
Austin (AUS)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:50, 2-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
16:50
Tulsa (TUL)

21:40
Oakland (OAK) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:50, 2-stop
Boeing 737-800 (73H)
Southwest Airlines WN1231
13:25
Houston Hobby (HOU)

23:25
Austin (AUS)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 10:00, 3-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1231
14:20
Orlando (MCO)

21:40
Oakland (OAK) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 10:20, 3-stop
Boeing 737-800 (73H)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Fort Lauderdale (FLL) - Baltimore (BWI)
  • Fort Lauderdale (FLL) - Nashville (BNA)
  • Houston Hobby (HOU) - Austin (AUS)
  • Houston Hobby (HOU) - Las Vegas Harry Reid (LAS)
  • Houston Hobby (HOU) - Lubbock (LBB)
  • Houston Hobby (HOU) - San Diego (SAN)
  • Las Vegas Harry Reid (LAS) - Austin (AUS)
  • Las Vegas Harry Reid (LAS) - Boise (BOI)
  • Las Vegas Harry Reid (LAS) - Colorado Springs (COS)
  • Las Vegas Harry Reid (LAS) - San Diego (SAN)
  • Love Field, Dallas (DAL) - Las Vegas Harry Reid (LAS)
  • Love Field, Dallas (DAL) - Long Beach (LGB)
  • Love Field, Dallas (DAL) - Lubbock (LBB)
  • Lubbock (LBB) - Austin (AUS)
  • Lubbock (LBB) - Las Vegas Harry Reid (LAS)
  • Lubbock (LBB) - San Diego (SAN)
  • Orlando (MCO) - Oakland (OAK)
  • Orlando (MCO) - Phoenix Sky Harbor (PHX)
  • Orlando (MCO) - Pittsburgh (PIT)
  • Orlando (MCO) - San Diego (SAN)
  • Orlando (MCO) - Tulsa (TUL)
  • Phoenix Sky Harbor (PHX) - Oakland (OAK)
  • Phoenix Sky Harbor (PHX) - Saint Louis (STL)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • Saint Louis (STL) - Atlanta (ATL)
  • San Antonio (SAT) - Oakland (OAK)
  • San Antonio (SAT) - San Diego (SAN)
  • San Diego (SAN) - Austin (AUS)
  • San Diego (SAN) - Oakland (OAK)
  • San Diego (SAN) - Saint Louis (STL)
  • San Jose (SJC) - Las Vegas Harry Reid (LAS)
  • San Jose (SJC) - Love Field, Dallas (DAL)
  • San Jose (SJC) - Lubbock (LBB)
  • Tulsa (TUL) - Oakland (OAK)
  • Tulsa (TUL) - Phoenix Sky Harbor (PHX)
  • Tulsa (TUL) - San Diego (SAN)
All Southwest Airlines flights
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