Southwest Airlines flight WN 4145: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 08:10 Baltimore (BWI) 09:55 Grand Rapids (GRR)
WN 4145 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-06-08 through 2025-08-03
Tue,Wed 08:30 Midway, Chicago (MDW) 10:00 Minneapolis/Saint Paul (MSP) 2
WN 4145 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2025-06-04
Sun 10:40 Grand Rapids (GRR) 11:15 Nashville (BNA)
WN 4145 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-06-08 through 2025-08-03
Sun 14:40 Baltimore (BWI) 16:10 Boston Logan (BOS) B
WN 4145 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2025-11-30
Sat 20:10 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-22 through 2025-11-29
Sat 20:10 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 20:15 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:15 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:15 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-07 through 2025-12-14
Thu 20:15 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2025-12-18
Mon 20:15 Santa Ana (SNA) 21:40 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-01-05
Mon-Wed 20:20 Santa Ana (SNA) 21:50 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 20:20 Santa Ana (SNA) 21:50 Oakland (OAK) 2
WN 4145 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri 21:15 Midway, Chicago (MDW) 22:45 Minneapolis/Saint Paul (MSP) 2
WN 4145 Non-stop Boeing 737-800 (73H) 1:30 Valid until 2025-06-02
Daily 23:35 Phoenix Sky Harbor (PHX) 4 06:05 Atlanta (ATL) N
WN 4145 Non-stop Boeing 737-800 (73H) 3:30 Effective 2025-10-02 through 2025-10-31
The flight arrives 1 day after departure.
Non-Direct Flights:
Sun 08:10 Baltimore (BWI) 11:15 Nashville (BNA)
WN 4145 1-stop Boeing 737-800 (73H) 4:05 Effective 2025-06-08 through 2025-08-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4145: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4145
08:10
Baltimore (BWI)

09:55
Grand Rapids (GRR)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4145
08:30
Midway, Chicago (MDW)

10:00
Minneapolis/Saint Paul (MSP) 2
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4145
10:40
Grand Rapids (GRR)

11:15
Nashville (BNA)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4145
14:40
Baltimore (BWI)

16:10
Boston Logan (BOS) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4145
20:10
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:10
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:15
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:15
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:15
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:15
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:15
Santa Ana (SNA)

21:40
Oakland (OAK) 2
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:20
Santa Ana (SNA)

21:50
Oakland (OAK) 2
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
20:20
Santa Ana (SNA)

21:50
Oakland (OAK) 2
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4145
21:15
Midway, Chicago (MDW)

22:45
Minneapolis/Saint Paul (MSP) 2
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4145
23:35
Phoenix Sky Harbor (PHX) 4

06:05(+1)
Atlanta (ATL) N
Effective 2025-10-02 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN4145
08:10
Baltimore (BWI)

11:15
Nashville (BNA)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Boston Logan (BOS)
  • Baltimore (BWI) - Grand Rapids (GRR)
  • Baltimore (BWI) - Nashville (BNA)
  • Grand Rapids (GRR) - Nashville (BNA)
  • Midway, Chicago (MDW) - Minneapolis/Saint Paul (MSP)
  • Phoenix Sky Harbor (PHX) - Atlanta (ATL)
  • Santa Ana (SNA) - Oakland (OAK)
All Southwest Airlines flights
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