Southwest Airlines flight WN 4423: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:30 Seattle-Tacoma (SEA) 08:40 San Jose (SJC) B
WN 4423 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 11:25 Sarasota/Bradenton (SRQ) 12:30 Nashville (BNA)
WN 4423 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-06-04 through 2026-08-03
Sun 12:30 Indianapolis (IND) 13:00 Kansas City (MCI)
WN 4423 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-06-07 through 2026-08-02
Sat 15:05 Sacramento (SMF) B 16:20 Burbank (BUR)
WN 4423 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-03
Sun 16:05 Austin (AUS) 18:50 Chicago O'Hare (ORD) 5
WN 4423 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-05-24
Mon,Thu,Fri 16:45 Nashville (BNA) 18:00 Jackson (JAN)
WN 4423 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-08-06 through 2026-09-28
Sun 16:45 Nashville (BNA) 18:00 Jackson (JAN)
WN 4423 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-09 through 2026-09-27
Sun 19:45 Las Vegas Harry Reid (LAS) 1 20:55 Burbank (BUR)
WN 4423 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-04-12 through 2026-05-17
Sun 19:45 Las Vegas Harry Reid (LAS) 1 20:55 Burbank (BUR)
WN 4423 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-05-31
Sun 21:40 Seattle-Tacoma (SEA) 23:55 San Jose (SJC) B
WN 4423 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-03-08 through 2026-04-05
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4423: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4423
06:30
Seattle-Tacoma (SEA)

08:40
San Jose (SJC) B
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4423
11:25
Sarasota/Bradenton (SRQ)

12:30
Nashville (BNA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4423
12:30
Indianapolis (IND)

13:00
Kansas City (MCI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4423
15:05
Sacramento (SMF) B

16:20
Burbank (BUR)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4423
16:05
Austin (AUS)

18:50
Chicago O'Hare (ORD) 5
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4423
16:45
Nashville (BNA)

18:00
Jackson (JAN)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4423
16:45
Nashville (BNA)

18:00
Jackson (JAN)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4423
19:45
Las Vegas Harry Reid (LAS) 1

20:55
Burbank (BUR)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4423
19:45
Las Vegas Harry Reid (LAS) 1

20:55
Burbank (BUR)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4423
21:40
Seattle-Tacoma (SEA)

23:55
San Jose (SJC) B
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Chicago O'Hare (ORD)
  • Indianapolis (IND) - Kansas City (MCI)
  • Las Vegas Harry Reid (LAS) - Burbank (BUR)
  • Nashville (BNA) - Jackson (JAN)
  • Sacramento (SMF) - Burbank (BUR)
  • Sarasota/Bradenton (SRQ) - Nashville (BNA)
  • Seattle-Tacoma (SEA) - San Jose (SJC)
All Southwest Airlines flights
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