Southwest Airlines flight WN 4310: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:30 Saint Louis (STL) 2 09:10 Miami (MIA)
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-03-07 through 2026-04-04
Sun 06:10 Orlando (MCO) 07:50 San Antonio (SAT) A
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-06-07 through 2026-08-02
Sat 06:55 Orlando (MCO) 08:40 San Antonio (SAT) A
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 07:20 Orlando (MCO) 09:05 San Antonio (SAT) A
WN 4310 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 13:15 Salt Lake City (SLC) 14:10 San Jose (SJC) B
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-09 through 2026-06-01
Wed,Thu 15:05 San Francisco (SFO) 2 16:35 San Diego (SAN) 1
WN 4310 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2026-01-01
Mon 15:45 San Francisco (SFO) 2 17:15 San Diego (SAN) 1
WN 4310 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-01-05
Sat 16:25 San Diego (SAN) 1 19:20 Seattle-Tacoma (SEA)
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-08 through 2026-09-26
Mon,Thu,Fri 16:40 San Diego (SAN) 1 19:35 Seattle-Tacoma (SEA)
WN 4310 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-08-06 through 2026-09-28
Mon,Tue,Fri,Sun 16:45 San Francisco (SFO) 2 18:15 San Diego (SAN) 1
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2026-01-04
Sun 17:15 San Diego (SAN) 1 20:10 Seattle-Tacoma (SEA)
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-09 through 2026-09-27
Tue,Wed 18:00 San Diego (SAN) 1 21:00 Seattle-Tacoma (SEA)
WN 4310 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-08-04 through 2026-09-30
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4310: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4310
05:30
Saint Louis (STL) 2

09:10
Miami (MIA)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
06:10
Orlando (MCO)

07:50
San Antonio (SAT) A
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
06:55
Orlando (MCO)

08:40
San Antonio (SAT) A
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
07:20
Orlando (MCO)

09:05
San Antonio (SAT) A
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4310
13:15
Salt Lake City (SLC)

14:10
San Jose (SJC) B
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
15:05
San Francisco (SFO) 2

16:35
San Diego (SAN) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN4310
15:45
San Francisco (SFO) 2

17:15
San Diego (SAN) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4310
16:25
San Diego (SAN) 1

19:20
Seattle-Tacoma (SEA)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
16:40
San Diego (SAN) 1

19:35
Seattle-Tacoma (SEA)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4310
16:45
San Francisco (SFO) 2

18:15
San Diego (SAN) 1
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
17:15
San Diego (SAN) 1

20:10
Seattle-Tacoma (SEA)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4310
18:00
San Diego (SAN) 1

21:00
Seattle-Tacoma (SEA)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Orlando (MCO) - San Antonio (SAT)
  • Saint Louis (STL) - Miami (MIA)
  • Salt Lake City (SLC) - San Jose (SJC)
  • San Diego (SAN) - Seattle-Tacoma (SEA)
  • San Francisco (SFO) - San Diego (SAN)
All Southwest Airlines flights
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