Southwest Airlines flight WN 4509: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 06:15 Baltimore (BWI) 08:30 San Diego (SAN) 1
WN 4509 Non-stop Boeing 737-700 (Scimitar Winglets) 5:15 Effective 2026-06-07 through 2026-08-02
Sat 08:50 San Diego (SAN) 1 10:20 San Jose (SJC) B
WN 4509 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 09:00 San Diego (SAN) 1 10:25 San Jose (SJC) B
WN 4509 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-06-04 through 2026-08-03
Sun 09:05 San Diego (SAN) 1 10:30 San Jose (SJC) B
WN 4509 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-07 through 2026-08-02
Wed,Thu 10:05 Long Beach (LGB) 12:50 Salt Lake City (SLC)
WN 4509 Non-stop Boeing 737-800 (73H) 1:45 Valid until 2026-01-01
Tue,Wed 12:40 Seattle-Tacoma (SEA) 15:25 Las Vegas Harry Reid (LAS) 1
WN 4509 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-08-04 through 2026-09-30
Sat 13:10 Seattle-Tacoma (SEA) 15:40 Las Vegas Harry Reid (LAS) 1
WN 4509 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-08-08 through 2026-09-26
Mon 14:30 Long Beach (LGB) 17:20 Salt Lake City (SLC)
WN 4509 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2026-01-05
Mon,Thu,Fri 14:30 Pittsburgh (PIT) 16:55 Orlando (MCO)
WN 4509 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-09 through 2026-04-06
Sun 15:20 Seattle-Tacoma (SEA) 17:50 Las Vegas Harry Reid (LAS) 1
WN 4509 Non-stop Boeing 737-800 (73H) 2:30 Effective 2026-08-09 through 2026-09-27
Sun 18:45 Austin (AUS) 19:20 Phoenix Sky Harbor (PHX) 4
WN 4509 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2026-05-24
Mon,Thu,Fri,Sun 19:20 Austin (AUS) 19:55 Phoenix Sky Harbor (PHX) 4
WN 4509 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-04-09 through 2026-05-22
Mon,Thu,Fri,Sun 19:20 Austin (AUS) 19:55 Phoenix Sky Harbor (PHX) 4
WN 4509 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-05-25 through 2026-06-01
Non-Direct Flights:
Sun 06:15 Baltimore (BWI) 10:30 San Jose (SJC) B
WN 4509 1-stop Boeing 737-700 (Scimitar Winglets) 7:15 Effective 2026-06-07 through 2026-08-02
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4509: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4509
06:15
Baltimore (BWI)

08:30
San Diego (SAN) 1
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4509
08:50
San Diego (SAN) 1

10:20
San Jose (SJC) B
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4509
09:00
San Diego (SAN) 1

10:25
San Jose (SJC) B
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4509
09:05
San Diego (SAN) 1

10:30
San Jose (SJC) B
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4509
10:05
Long Beach (LGB)

12:50
Salt Lake City (SLC)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4509
12:40
Seattle-Tacoma (SEA)

15:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4509
13:10
Seattle-Tacoma (SEA)

15:40
Las Vegas Harry Reid (LAS) 1
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4509
14:30
Long Beach (LGB)

17:20
Salt Lake City (SLC)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4509
14:30
Pittsburgh (PIT)

16:55
Orlando (MCO)
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4509
15:20
Seattle-Tacoma (SEA)

17:50
Las Vegas Harry Reid (LAS) 1
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4509
18:45
Austin (AUS)

19:20
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4509
19:20
Austin (AUS)

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-09 through 2026-05-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4509
19:20
Austin (AUS)

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-05-25 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4509
06:15
Baltimore (BWI)

10:30
San Jose (SJC) B
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
  • Austin (AUS) - Phoenix Sky Harbor (PHX)
  • Baltimore (BWI) - San Diego (SAN)
  • Baltimore (BWI) - San Jose (SJC)
  • Long Beach (LGB) - Salt Lake City (SLC)
  • Pittsburgh (PIT) - Orlando (MCO)
  • San Diego (SAN) - San Jose (SJC)
  • Seattle-Tacoma (SEA) - Las Vegas Harry Reid (LAS)
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