Southwest Airlines flight WN 4126: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 06:30 San Diego (SAN) 1 08:15 Sacramento (SMF) B
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-04-12 through 2026-05-17
Sun 06:30 San Diego (SAN) 1 08:15 Sacramento (SMF) B
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-05-31
Sat 06:40 San Diego (SAN) 1 08:20 Sacramento (SMF) B
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 06:45 San Diego (SAN) 1 08:25 Sacramento (SMF) B
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-04-09 through 2026-06-01
Tue,Wed 07:00 San Diego (SAN) 1 08:40 Sacramento (SMF) B
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-04-07 through 2026-06-03
Mon-Fri 09:10 Dallas Love Field (DAL) 1 10:15 Tulsa (TUL)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 09:10 Dallas Love Field (DAL) 1 10:15 Tulsa (TUL)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-01-18 through 2026-01-23
Mon-Fri 09:10 Dallas Love Field (DAL) 1 10:15 Tulsa (TUL)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 09:10 Dallas Love Field (DAL) 1 10:15 Tulsa (TUL)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-02-08 through 2026-02-11
Tue,Wed 09:10 Dallas Love Field (DAL) 1 10:15 Tulsa (TUL)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-02-18 through 2026-03-04
Mon,Thu-Sat 10:15 Saint Louis (STL) 2 13:05 Raleigh/Durham (RDU) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-03-05 through 2026-04-06
Sun 10:15 Saint Louis (STL) 2 13:05 Raleigh/Durham (RDU) 1
WN 4126 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-03-08 through 2026-04-05
Tue,Wed 10:15 Saint Louis (STL) 2 13:05 Raleigh/Durham (RDU) 1
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-03-10 through 2026-04-01
Mon-Fri 11:10 Tulsa (TUL) 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 11:10 Tulsa (TUL) 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-01-18 through 2026-01-23
Mon-Fri 11:10 Tulsa (TUL) 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 11:10 Tulsa (TUL) 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-02-08 through 2026-02-11
Tue,Wed 11:10 Tulsa (TUL) 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 13:55 Greenville/Spartanburg (GSP) 15:25 Baltimore (BWI)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-06-04 through 2026-08-03
Sat 14:25 Tulsa (TUL) 16:15 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-01-10 through 2026-01-31
Sat 14:25 Tulsa (TUL) 16:15 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-02-07
Thu,Fri,Sun 14:40 Reno (RNO) 17:25 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:40 Reno (RNO) 17:25 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:40 Reno (RNO) 17:25 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:40 Reno (RNO) 17:25 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:40 Reno (RNO) 17:25 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-02-17 through 2026-02-23
Mon 14:40 Reno (RNO) 17:25 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-03-02
Tue,Wed 14:50 Baltimore (BWI) 16:00 Islip (ISP)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 14:55 Tulsa (TUL) 16:40 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:55 Tulsa (TUL) 16:40 Phoenix Sky Harbor (PHX) 4
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-02-20 through 2026-03-01
Sat 15:40 Baltimore (BWI) 16:55 Islip (ISP)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 16:05 Baltimore (BWI) 17:15 Islip (ISP)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-06-04 through 2026-08-03
Sat 16:10 San Jose (SJC) B 18:00 Portland (PDX)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Valid until 2026-01-03
Sun 16:10 Baltimore (BWI) 17:20 Islip (ISP)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 17:20 Phoenix Sky Harbor (PHX) 4 17:35 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 17:20 Phoenix Sky Harbor (PHX) 4 17:35 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 17:45 San Diego (SAN) 1 19:15 Oakland (OAK) 2
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-06 through 2026-09-28
Mon 18:00 Kansas City (MCI) 18:50 Denver (DEN)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2026-01-05
Thu,Fri,Sun 18:00 Phoenix Sky Harbor (PHX) 4 18:15 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:00 Phoenix Sky Harbor (PHX) 4 18:15 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 18:00 Phoenix Sky Harbor (PHX) 4 18:15 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-01 through 2026-02-06
Mon,Sun 18:00 Phoenix Sky Harbor (PHX) 4 18:15 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 18:00 Phoenix Sky Harbor (PHX) 4 18:15 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-17 through 2026-02-23
Mon 18:00 Phoenix Sky Harbor (PHX) 4 18:15 San Diego (SAN) 1
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-03-02
Sat 18:30 Sarasota/Bradenton (SRQ) 20:50 John Glenn Columbus (CMH)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-14 through 2026-02-28
Sat 18:40 Portland (PDX) 22:00 Denver (DEN)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-03
Tue,Wed 19:40 San Diego (SAN) 1 21:15 Oakland (OAK) 2
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-08-04 through 2026-09-30
Fri,Sun 21:00 Portland (PDX) 00:25 Denver (DEN)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-02 through 2026-01-04
The flight arrives 1 day after departure.
Sun 21:35 San Diego (SAN) 1 23:05 Oakland (OAK) 2
WN 4126 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-08-09 through 2026-09-27
Non-Direct Flights:
Mon-Fri 09:10 Dallas Love Field (DAL) 1 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 09:10 Dallas Love Field (DAL) 1 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-01-18 through 2026-01-23
Mon-Fri 09:10 Dallas Love Field (DAL) 1 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 09:10 Dallas Love Field (DAL) 1 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-08 through 2026-02-11
Tue,Wed 09:10 Dallas Love Field (DAL) 1 12:55 Phoenix Sky Harbor (PHX) 4
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 13:55 Greenville/Spartanburg (GSP) 17:15 Islip (ISP)
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:20 Effective 2026-06-04 through 2026-08-03
Thu,Fri,Sun 14:40 Reno (RNO) 18:15 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:40 Reno (RNO) 18:15 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:40 Reno (RNO) 18:15 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:40 Reno (RNO) 18:15 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:40 Reno (RNO) 18:15 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-02-17 through 2026-02-23
Mon 14:40 Reno (RNO) 18:15 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Operates only on 2026-03-02
Mon,Thu,Fri 14:55 Tulsa (TUL) 17:35 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:55 Tulsa (TUL) 17:35 San Diego (SAN) 1
WN 4126 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-02-20 through 2026-03-01
Sat 16:10 San Jose (SJC) B 22:00 Denver (DEN)
WN 4126 1-stop Boeing 737 MAX 8 (7M8) 4:50 Valid until 2026-01-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4126: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4126
06:30
San Diego (SAN) 1

08:15
Sacramento (SMF) B
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
06:30
San Diego (SAN) 1

08:15
Sacramento (SMF) B
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
06:40
San Diego (SAN) 1

08:20
Sacramento (SMF) B
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
06:45
San Diego (SAN) 1

08:25
Sacramento (SMF) B
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
07:00
San Diego (SAN) 1

08:40
Sacramento (SMF) B
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

10:15
Tulsa (TUL)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

10:15
Tulsa (TUL)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

10:15
Tulsa (TUL)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

10:15
Tulsa (TUL)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

10:15
Tulsa (TUL)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
10:15
Saint Louis (STL) 2

13:05
Raleigh/Durham (RDU) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
10:15
Saint Louis (STL) 2

13:05
Raleigh/Durham (RDU) 1
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4126
10:15
Saint Louis (STL) 2

13:05
Raleigh/Durham (RDU) 1
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
11:10
Tulsa (TUL)

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
11:10
Tulsa (TUL)

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
11:10
Tulsa (TUL)

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
11:10
Tulsa (TUL)

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
11:10
Tulsa (TUL)

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
13:55
Greenville/Spartanburg (GSP)

15:25
Baltimore (BWI)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:25
Tulsa (TUL)

16:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-10 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:25
Tulsa (TUL)

16:15
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

17:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

17:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

17:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

17:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

17:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

17:25
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:50
Baltimore (BWI)

16:00
Islip (ISP)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
14:55
Tulsa (TUL)

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
14:55
Tulsa (TUL)

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
15:40
Baltimore (BWI)

16:55
Islip (ISP)
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 WN4126
16:05
Baltimore (BWI)

17:15
Islip (ISP)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
16:10
San Jose (SJC) B

18:00
Portland (PDX)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
16:10
Baltimore (BWI)

17:20
Islip (ISP)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
17:20
Phoenix Sky Harbor (PHX) 4

17:35
San Diego (SAN) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
17:20
Phoenix Sky Harbor (PHX) 4

17:35
San Diego (SAN) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
17:45
San Diego (SAN) 1

19:15
Oakland (OAK) 2
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
18:00
Kansas City (MCI)

18:50
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
18:00
Phoenix Sky Harbor (PHX) 4

18:15
San Diego (SAN) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
18:00
Phoenix Sky Harbor (PHX) 4

18:15
San Diego (SAN) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
18:00
Phoenix Sky Harbor (PHX) 4

18:15
San Diego (SAN) 1
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
18:00
Phoenix Sky Harbor (PHX) 4

18:15
San Diego (SAN) 1
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
18:00
Phoenix Sky Harbor (PHX) 4

18:15
San Diego (SAN) 1
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
18:00
Phoenix Sky Harbor (PHX) 4

18:15
San Diego (SAN) 1
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4126
18:30
Sarasota/Bradenton (SRQ)

20:50
John Glenn Columbus (CMH)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
18:40
Portland (PDX)

22:00
Denver (DEN)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
19:40
San Diego (SAN) 1

21:15
Oakland (OAK) 2
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4126
21:00
Portland (PDX)

00:25(+1)
Denver (DEN)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN4126
21:35
San Diego (SAN) 1

23:05
Oakland (OAK) 2
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
09:10
Dallas Love Field (DAL) 1

12:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
13:55
Greenville/Spartanburg (GSP)

17:15
Islip (ISP)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

18:15
San Diego (SAN) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

18:15
San Diego (SAN) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

18:15
San Diego (SAN) 1
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

18:15
San Diego (SAN) 1
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

18:15
San Diego (SAN) 1
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:40
Reno (RNO)

18:15
San Diego (SAN) 1
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:55
Tulsa (TUL)

17:35
San Diego (SAN) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
14:55
Tulsa (TUL)

17:35
San Diego (SAN) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4126
16:10
San Jose (SJC) B

22:00
Denver (DEN)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Islip (ISP)
  • Dallas Love Field (DAL) - Phoenix Sky Harbor (PHX)
  • Dallas Love Field (DAL) - Tulsa (TUL)
  • Greenville/Spartanburg (GSP) - Baltimore (BWI)
  • Greenville/Spartanburg (GSP) - Islip (ISP)
  • Kansas City (MCI) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • Portland (PDX) - Denver (DEN)
  • Reno (RNO) - Phoenix Sky Harbor (PHX)
  • Reno (RNO) - San Diego (SAN)
  • Saint Louis (STL) - Raleigh/Durham (RDU)
  • San Diego (SAN) - Oakland (OAK)
  • San Diego (SAN) - Sacramento (SMF)
  • San Jose (SJC) - Denver (DEN)
  • San Jose (SJC) - Portland (PDX)
  • Sarasota/Bradenton (SRQ) - John Glenn Columbus (CMH)
  • Tulsa (TUL) - Phoenix Sky Harbor (PHX)
  • Tulsa (TUL) - San Diego (SAN)
All Southwest Airlines flights
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