Southwest Airlines flight WN 4337: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed,Sat 08:35 Las Vegas Harry Reid (LAS) 1 14:05 Milwaukee (MKE)
WN 4337 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 09:05 Las Vegas Harry Reid (LAS) 1 14:35 Milwaukee (MKE)
WN 4337 Non-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2026-06-04 through 2026-08-03
Sun 10:30 Las Vegas Harry Reid (LAS) 1 16:00 Milwaukee (MKE)
WN 4337 Non-stop Boeing 737-800 (73H) 3:30 Effective 2026-06-07 through 2026-08-02
Sat 12:10 Philadelphia (PHL) E 13:10 Chicago Midway (MDW)
WN 4337 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-08-08 through 2026-09-26
Fri,Sun 12:45 San Jose (SJC) B 14:10 Santa Ana (SNA)
WN 4337 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-02 through 2026-01-04
Sat 13:35 San Jose (SJC) B 14:55 Santa Ana (SNA)
WN 4337 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-01-03
Sun 13:35 Philadelphia (PHL) E 14:40 Chicago Midway (MDW)
WN 4337 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-09 through 2026-09-27
Tue,Wed 13:45 Philadelphia (PHL) E 14:50 Chicago Midway (MDW)
WN 4337 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-04 through 2026-09-30
Sat 15:30 Miami (MIA) 17:55 Milwaukee (MKE)
WN 4337 Non-stop Boeing 737-800 (73H) 3:25 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 18:05 Philadelphia (PHL) E 19:10 Chicago Midway (MDW)
WN 4337 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-08-06 through 2026-09-28
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4337: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4337
08:35
Las Vegas Harry Reid (LAS) 1

14:05
Milwaukee (MKE)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4337
09:05
Las Vegas Harry Reid (LAS) 1

14:35
Milwaukee (MKE)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4337
10:30
Las Vegas Harry Reid (LAS) 1

16:00
Milwaukee (MKE)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4337
12:10
Philadelphia (PHL) E

13:10
Chicago Midway (MDW)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4337
12:45
San Jose (SJC) B

14:10
Santa Ana (SNA)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4337
13:35
San Jose (SJC) B

14:55
Santa Ana (SNA)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4337
13:35
Philadelphia (PHL) E

14:40
Chicago Midway (MDW)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4337
13:45
Philadelphia (PHL) E

14:50
Chicago Midway (MDW)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4337
15:30
Miami (MIA)

17:55
Milwaukee (MKE)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4337
18:05
Philadelphia (PHL) E

19:10
Chicago Midway (MDW)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - Milwaukee (MKE)
  • Miami (MIA) - Milwaukee (MKE)
  • Philadelphia (PHL) - Chicago Midway (MDW)
  • San Jose (SJC) - Santa Ana (SNA)
All Southwest Airlines flights
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