Southwest Airlines flight WN 4351: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 08:15 Phoenix Sky Harbor (PHX) 4 09:30 Las Vegas Harry Reid (LAS) 1
WN 4351 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-08-09 through 2026-09-27
Sat 12:00 Baltimore (BWI) 14:45 Miami (MIA)
WN 4351 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Operates only on 2026-01-03
Mon,Thu,Fri 12:20 Phoenix Sky Harbor (PHX) 4 13:30 Las Vegas Harry Reid (LAS) 1
WN 4351 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-08-06 through 2026-09-28
Tue,Wed 13:10 Chicago Midway (MDW) 16:10 Philadelphia (PHL) E
WN 4351 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 13:40 Chicago Midway (MDW) 16:45 Philadelphia (PHL) E
WN 4351 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-06-04 through 2026-08-03
Sat,Sun 13:55 Chicago Midway (MDW) 16:55 Philadelphia (PHL) E
WN 4351 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-06-06 through 2026-08-02
Sun 14:50 Baltimore (BWI) 16:15 Manchester (MHT)
WN 4351 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-04-12 through 2026-05-17
Sun 14:50 Baltimore (BWI) 16:15 Manchester (MHT)
WN 4351 Non-stop Boeing 737-800 (73H) 1:25 Operates only on 2026-05-31
Wed,Thu 18:25 Salt Lake City (SLC) 20:05 Phoenix Sky Harbor (PHX) 4
WN 4351 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Valid until 2026-01-01
Fri,Sun 21:25 Salt Lake City (SLC) 23:05 Phoenix Sky Harbor (PHX) 4
WN 4351 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-02 through 2026-01-04
Mon 21:45 Salt Lake City (SLC) 23:25 Phoenix Sky Harbor (PHX) 4
WN 4351 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Operates only on 2026-01-05
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4351: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4351
08:15
Phoenix Sky Harbor (PHX) 4

09:30
Las Vegas Harry Reid (LAS) 1
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4351
12:00
Baltimore (BWI)

14:45
Miami (MIA)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4351
12:20
Phoenix Sky Harbor (PHX) 4

13:30
Las Vegas Harry Reid (LAS) 1
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4351
13:10
Chicago Midway (MDW)

16:10
Philadelphia (PHL) E
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4351
13:40
Chicago Midway (MDW)

16:45
Philadelphia (PHL) E
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4351
13:55
Chicago Midway (MDW)

16:55
Philadelphia (PHL) E
Effective 2026-06-06 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4351
14:50
Baltimore (BWI)

16:15
Manchester (MHT)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4351
14:50
Baltimore (BWI)

16:15
Manchester (MHT)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4351
18:25
Salt Lake City (SLC)

20:05
Phoenix Sky Harbor (PHX) 4
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4351
21:25
Salt Lake City (SLC)

23:05
Phoenix Sky Harbor (PHX) 4
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4351
21:45
Salt Lake City (SLC)

23:25
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Manchester (MHT)
  • Baltimore (BWI) - Miami (MIA)
  • Chicago Midway (MDW) - Philadelphia (PHL)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
All Southwest Airlines flights
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