Southwest Airlines flight WN 4103: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Wed 05:25 Phoenix Sky Harbor (PHX) 4 08:50 Kansas City (MCI)
WN 4103 Non-stop Boeing 737-800 (73H) 2:25 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 05:25 Phoenix Sky Harbor (PHX) 4 08:50 Kansas City (MCI)
WN 4103 Non-stop Boeing 737-800 (73H) 2:25 Effective 2025-12-19 through 2026-01-04
Sat 05:30 Phoenix Sky Harbor (PHX) 4 08:55 Kansas City (MCI)
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-11-22 through 2025-11-29
Sat 05:30 Phoenix Sky Harbor (PHX) 4 08:55 Kansas City (MCI)
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-12-20 through 2026-01-03
Tue,Wed 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-04 through 2025-11-12
Sat 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-08 through 2025-11-15
Mon-Thu 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-17 through 2025-11-20
Sun 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2025-11-30
Mon-Fri 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-02 through 2025-12-11
Sat 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-12-06 through 2025-12-13
Mon-Wed 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 07:05 San Jose (SJC) B 08:20 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 08:00 San Jose (SJC) B 09:15 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 08:00 San Jose (SJC) B 09:15 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 08:00 San Jose (SJC) B 09:15 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-12-07 through 2025-12-14
Thu 08:00 San Jose (SJC) B 09:15 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-12-18
Mon 08:00 San Jose (SJC) B 09:15 Ontario, Los Angeles (ONT) 4
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-01-05
Sun 15:40 Phoenix Sky Harbor (PHX) 4 17:35 Sacramento (SMF) B
WN 4103 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-08-31
Tue,Wed 16:30 Atlanta (ATL) N 18:20 Baltimore (BWI)
WN 4103 Non-stop Boeing 737-700 (73W) 1:50 Valid until 2025-06-04
Sun 16:40 Saint Louis (STL) 2 19:15 Atlanta (ATL) N
WN 4103 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-05-25
Sun 17:00 Phoenix Sky Harbor (PHX) 4 19:00 Sacramento (SMF) B
WN 4103 Non-stop Boeing 737-700 (73W) 2:00 Effective 2025-08-10 through 2025-08-24
Sun 17:00 Phoenix Sky Harbor (PHX) 4 19:00 Sacramento (SMF) B
WN 4103 Non-stop Boeing 737-700 (73W) 2:00 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 18:50 Atlanta (ATL) N 20:40 Baltimore (BWI)
WN 4103 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-05-05 through 2025-06-02
Mon,Thu,Fri 18:55 Atlanta (ATL) N 20:45 Baltimore (BWI)
WN 4103 Non-stop Boeing 737-800 (73H) 1:50 Valid until 2025-05-02
Sat 19:00 Atlanta (ATL) N 20:50 Baltimore (BWI)
WN 4103 Non-stop Boeing 737-800 (73H) 1:50 Valid until 2025-05-31
Mon,Thu,Fri 19:20 Phoenix Sky Harbor (PHX) 4 21:20 Sacramento (SMF) B
WN 4103 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-08-07 through 2025-09-29
Sat 19:40 Phoenix Sky Harbor (PHX) 4 21:35 Sacramento (SMF) B
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-08-09 through 2025-09-27
Tue,Wed 19:45 Phoenix Sky Harbor (PHX) 4 21:40 Sacramento (SMF) B
WN 4103 Non-stop Boeing 737-800 (73H) 1:55 Effective 2025-08-05 through 2025-10-01
Sun 19:50 Atlanta (ATL) N 21:45 Baltimore (BWI)
WN 4103 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-05-25
Sun 19:55 Atlanta (ATL) N 21:50 Baltimore (BWI)
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Valid until 2025-05-18
Sun 19:55 Atlanta (ATL) N 21:50 Baltimore (BWI)
WN 4103 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2025-06-01
Non-Direct Flights:
Sun 16:40 Saint Louis (STL) 2 21:45 Baltimore (BWI)
WN 4103 1-stop Boeing 737-700 (73W) 4:05 Operates only on 2025-05-25
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4103: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4103
05:25
Phoenix Sky Harbor (PHX) 4

08:50
Kansas City (MCI)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
05:25
Phoenix Sky Harbor (PHX) 4

08:50
Kansas City (MCI)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
05:30
Phoenix Sky Harbor (PHX) 4

08:55
Kansas City (MCI)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
05:30
Phoenix Sky Harbor (PHX) 4

08:55
Kansas City (MCI)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4103
07:05
San Jose (SJC) B

08:20
Ontario, Los Angeles (ONT) 4
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4103
08:00
San Jose (SJC) B

09:15
Ontario, Los Angeles (ONT) 4
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
08:00
San Jose (SJC) B

09:15
Ontario, Los Angeles (ONT) 4
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
08:00
San Jose (SJC) B

09:15
Ontario, Los Angeles (ONT) 4
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
08:00
San Jose (SJC) B

09:15
Ontario, Los Angeles (ONT) 4
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
08:00
San Jose (SJC) B

09:15
Ontario, Los Angeles (ONT) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
15:40
Phoenix Sky Harbor (PHX) 4

17:35
Sacramento (SMF) B
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4103
16:30
Atlanta (ATL) N

18:20
Baltimore (BWI)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4103
16:40
Saint Louis (STL) 2

19:15
Atlanta (ATL) N
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4103
17:00
Phoenix Sky Harbor (PHX) 4

19:00
Sacramento (SMF) B
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4103
17:00
Phoenix Sky Harbor (PHX) 4

19:00
Sacramento (SMF) B
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4103
18:50
Atlanta (ATL) N

20:40
Baltimore (BWI)
Effective 2025-05-05 through 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
18:55
Atlanta (ATL) N

20:45
Baltimore (BWI)
Valid until 2025-05-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
19:00
Atlanta (ATL) N

20:50
Baltimore (BWI)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
19:20
Phoenix Sky Harbor (PHX) 4

21:20
Sacramento (SMF) B
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
19:40
Phoenix Sky Harbor (PHX) 4

21:35
Sacramento (SMF) B
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
19:45
Phoenix Sky Harbor (PHX) 4

21:40
Sacramento (SMF) B
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4103
19:50
Atlanta (ATL) N

21:45
Baltimore (BWI)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4103
19:55
Atlanta (ATL) N

21:50
Baltimore (BWI)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4103
19:55
Atlanta (ATL) N

21:50
Baltimore (BWI)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4103
16:40
Saint Louis (STL) 2

21:45
Baltimore (BWI)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (73W)
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Parallax here -
This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Baltimore (BWI)
  • Phoenix Sky Harbor (PHX) - Kansas City (MCI)
  • Phoenix Sky Harbor (PHX) - Sacramento (SMF)
  • Saint Louis (STL) - Atlanta (ATL)
  • Saint Louis (STL) - Baltimore (BWI)
  • San Jose (SJC) - Ontario, Los Angeles (ONT)
All Southwest Airlines flights
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