Southwest Airlines flight WN 4345: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 07:00 Atlanta (ATL) N 07:40 Saint Louis (STL) 2
WN 4345 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 10:00 Sacramento (SMF) B 11:25 Long Beach (LGB)
WN 4345 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 10:25 Minneapolis/Saint Paul (MSP) 2 11:55 Chicago Midway (MDW)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-04 through 2026-08-03
Sun 11:15 Phoenix Sky Harbor (PHX) 4 14:00 Denver (DEN)
WN 4345 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-08-09 through 2026-09-27
Sat 11:20 Phoenix Sky Harbor (PHX) 4 14:05 Denver (DEN)
WN 4345 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-08-08 through 2026-09-26
Tue,Wed 12:25 Phoenix Sky Harbor (PHX) 4 15:10 Denver (DEN)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-08-04 through 2026-09-30
Sat 15:00 Sacramento (SMF) B 20:15 Austin (AUS)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Valid until 2026-01-03
Mon,Thu,Fri 15:25 Phoenix Sky Harbor (PHX) 4 18:10 Denver (DEN)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-08-06 through 2026-09-28
Tue,Wed 17:45 San Diego (SAN) 1 19:05 Las Vegas Harry Reid (LAS) 1
WN 4345 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-06-09 through 2026-07-29
Mon-Fri 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-01-06 through 2026-01-14
Thu,Fri,Sun 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-01-11 through 2026-01-16
Tue-Fri,Sun 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-01-18 through 2026-01-23
Mon,Sun 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-01-19 through 2026-01-25
Mon-Fri 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-01-26 through 2026-01-30
Thu,Fri,Sun 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-01 through 2026-02-06
Mon,Tue 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-02 through 2026-02-03
Wed,Sun 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-04 through 2026-02-08
Mon-Wed,Sun 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-17 through 2026-02-23
Tue,Wed 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-02-18 through 2026-03-03
Mon,Wed 20:55 Orlando (MCO) 23:10 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-03-02 through 2026-03-04
Mon,Thu,Fri 21:25 Orlando (MCO) 23:40 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 21:25 Orlando (MCO) 23:40 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-20 through 2026-03-01
Sat 21:30 Orlando (MCO) 23:45 Baltimore (BWI)
WN 4345 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Operates only on 2026-02-14
Sat 21:30 Orlando (MCO) 23:45 Baltimore (BWI)
WN 4345 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-21 through 2026-02-28
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4345: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4345
07:00
Atlanta (ATL) N

07:40
Saint Louis (STL) 2
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4345
10:00
Sacramento (SMF) B

11:25
Long Beach (LGB)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4345
10:25
Minneapolis/Saint Paul (MSP) 2

11:55
Chicago Midway (MDW)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
11:15
Phoenix Sky Harbor (PHX) 4

14:00
Denver (DEN)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
11:20
Phoenix Sky Harbor (PHX) 4

14:05
Denver (DEN)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
12:25
Phoenix Sky Harbor (PHX) 4

15:10
Denver (DEN)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
15:00
Sacramento (SMF) B

20:15
Austin (AUS)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
15:25
Phoenix Sky Harbor (PHX) 4

18:10
Denver (DEN)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
17:45
San Diego (SAN) 1

19:05
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-01-26 through 2026-01-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-02-02 through 2026-02-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-02-04 through 2026-02-08
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-02-18 through 2026-03-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4345
20:55
Orlando (MCO)

23:10
Baltimore (BWI)
Effective 2026-03-02 through 2026-03-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4345
21:25
Orlando (MCO)

23:40
Baltimore (BWI)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4345
21:25
Orlando (MCO)

23:40
Baltimore (BWI)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4345
21:30
Orlando (MCO)

23:45
Baltimore (BWI)
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4345
21:30
Orlando (MCO)

23:45
Baltimore (BWI)
Effective 2026-02-21 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
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Parallax here
This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Saint Louis (STL)
  • Minneapolis/Saint Paul (MSP) - Chicago Midway (MDW)
  • Orlando (MCO) - Baltimore (BWI)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
  • Sacramento (SMF) - Austin (AUS)
  • Sacramento (SMF) - Long Beach (LGB)
  • San Diego (SAN) - Las Vegas Harry Reid (LAS)
All Southwest Airlines flights
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