Southwest Airlines flight WN 4340: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 09:10 Sacramento (SMF) B 11:00 Phoenix Sky Harbor (PHX) 4
WN 4340 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2025-05-25
Mon,Thu,Fri 11:00 Tampa (TPA) 12:30 Saint Louis (STL) 2
WN 4340 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-08-07 through 2025-09-29
Sat 11:35 Tampa (TPA) 13:00 Saint Louis (STL) 2
WN 4340 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-08-09 through 2025-09-27
Sat 15:00 Ontario, Los Angeles (ONT) 4 16:15 Oakland (OAK) 2
WN 4340 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-06-07 through 2025-08-02
Mon-Wed 16:15 Santa Ana (SNA) 18:30 Phoenix Sky Harbor (PHX) 4
WN 4340 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:15 Santa Ana (SNA) 18:30 Phoenix Sky Harbor (PHX) 4
WN 4340 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-19 through 2026-01-04
Sat 16:30 Santa Ana (SNA) 18:50 Phoenix Sky Harbor (PHX) 4
WN 4340 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-11-22 through 2025-11-29
Sat 16:30 Santa Ana (SNA) 18:50 Phoenix Sky Harbor (PHX) 4
WN 4340 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-20 through 2026-01-03
Sun 16:35 San Antonio (SAT) A 19:10 Midway, Chicago (MDW)
WN 4340 Non-stop Boeing 737-800 (73H) 2:35 Valid until 2025-05-18
Sun 16:35 San Antonio (SAT) A 19:10 Midway, Chicago (MDW)
WN 4340 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2025-06-01
Tue,Wed 18:35 Tampa (TPA) 20:00 Saint Louis (STL) 2
WN 4340 Non-stop Boeing 737-800 (73H) 2:25 Effective 2025-08-05 through 2025-10-01
Tue,Wed 20:50 Saint Louis (STL) 2 22:00 Little Rock (LIT)
WN 4340 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-08-05 through 2025-10-01
Non-Direct Flights:
Tue,Wed 18:35 Tampa (TPA) 22:00 Little Rock (LIT)
WN 4340 1-stop Boeing 737-800 (73H) 4:25 Effective 2025-08-05 through 2025-10-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4340: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4340
09:10
Sacramento (SMF) B

11:00
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4340
11:00
Tampa (TPA)

12:30
Saint Louis (STL) 2
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4340
11:35
Tampa (TPA)

13:00
Saint Louis (STL) 2
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4340
15:00
Ontario, Los Angeles (ONT) 4

16:15
Oakland (OAK) 2
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4340
16:15
Santa Ana (SNA)

18:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4340
16:15
Santa Ana (SNA)

18:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4340
16:30
Santa Ana (SNA)

18:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4340
16:30
Santa Ana (SNA)

18:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4340
16:35
San Antonio (SAT) A

19:10
Midway, Chicago (MDW)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4340
16:35
San Antonio (SAT) A

19:10
Midway, Chicago (MDW)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4340
18:35
Tampa (TPA)

20:00
Saint Louis (STL) 2
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4340
20:50
Saint Louis (STL) 2

22:00
Little Rock (LIT)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN4340
18:35
Tampa (TPA)

22:00
Little Rock (LIT)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Ontario, Los Angeles (ONT) - Oakland (OAK)
  • Sacramento (SMF) - Phoenix Sky Harbor (PHX)
  • Saint Louis (STL) - Little Rock (LIT)
  • San Antonio (SAT) - Midway, Chicago (MDW)
  • Santa Ana (SNA) - Phoenix Sky Harbor (PHX)
  • Tampa (TPA) - Little Rock (LIT)
  • Tampa (TPA) - Saint Louis (STL)
All Southwest Airlines flights
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