Southwest Airlines flight WN 3427: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 05:25 Sacramento (SMF) B 11:20 Midway, Chicago (MDW)
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 05:30 Los Angeles (LAX) 1 11:10 Saint Louis (STL) 2
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2025-10-02 through 2025-10-31
Tue,Wed 05:30 Los Angeles (LAX) 1 11:10 Saint Louis (STL) 2
WN 3427 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-10-07 through 2025-10-29
Sat 05:35 Los Angeles (LAX) 1 11:15 Saint Louis (STL) 2
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2025-10-04 through 2025-11-01
Sun 06:25 Los Angeles (LAX) 1 12:00 Saint Louis (STL) 2
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2025-10-05 through 2025-10-26
Sat 07:45 Denver (DEN) 12:35 Atlanta (ATL) N
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-08 through 2025-11-15
Sat 07:45 Denver (DEN) 12:35 Atlanta (ATL) N
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-06 through 2025-12-13
Sat 08:20 Grand Rapids (GRR) 11:05 Orlando (MCO)
WN 3427 Non-stop Boeing 737-700 (73W) 2:45 Valid until 2025-05-31
Tue,Wed 08:45 Burbank (BUR) 12:05 Denver (DEN)
WN 3427 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-08-05 through 2025-10-01
Sat 10:35 Burbank (BUR) 14:00 Denver (DEN)
WN 3427 Non-stop Boeing 737-700 (73W) 2:25 Effective 2025-08-09 through 2025-09-27
Sun 11:40 Burbank (BUR) 15:00 Denver (DEN)
WN 3427 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-08-10 through 2025-08-24
Sun 11:40 Burbank (BUR) 15:00 Denver (DEN)
WN 3427 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-09-07 through 2025-09-28
Sun 13:25 Burbank (BUR) 16:45 Denver (DEN)
WN 3427 Non-stop Boeing 737-700 (73W) 2:20 Operates only on 2025-08-31
Sat 17:35 New York LaGuardia (LGA) B 19:15 Nashville (BNA)
WN 3427 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-11-22 through 2025-11-29
Sat 17:35 New York LaGuardia (LGA) B 19:15 Nashville (BNA)
WN 3427 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-12-20 through 2026-01-03
Sun 19:00 New York LaGuardia (LGA) B 20:40 Nashville (BNA)
WN 3427 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 19:05 New York LaGuardia (LGA) B 20:40 Nashville (BNA)
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 19:05 New York LaGuardia (LGA) B 20:40 Nashville (BNA)
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-11-21 through 2025-11-28
Fri,Sun 19:05 New York LaGuardia (LGA) B 20:40 Nashville (BNA)
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-12-07 through 2025-12-14
Thu 19:05 New York LaGuardia (LGA) B 20:40 Nashville (BNA)
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2025-12-18
Mon 19:05 New York LaGuardia (LGA) B 20:40 Nashville (BNA)
WN 3427 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-01-05
Mon-Wed 19:10 New York LaGuardia (LGA) B 20:45 Nashville (BNA)
WN 3427 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 19:10 New York LaGuardia (LGA) B 20:45 Nashville (BNA)
WN 3427 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-12-19 through 2026-01-04
Tue,Wed 21:30 New York LaGuardia (LGA) B 23:10 Nashville (BNA)
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-11-04 through 2025-11-12
Mon-Thu 21:30 New York LaGuardia (LGA) B 23:10 Nashville (BNA)
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-11-17 through 2025-11-20
Mon-Fri 21:30 New York LaGuardia (LGA) B 23:10 Nashville (BNA)
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-02 through 2025-12-11
Mon-Wed 21:30 New York LaGuardia (LGA) B 23:10 Nashville (BNA)
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-15 through 2025-12-17
Wed,Thu 21:30 New York LaGuardia (LGA) B 23:10 Nashville (BNA)
WN 3427 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-24 through 2026-01-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3427: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3427
05:25
Sacramento (SMF) B

11:20
Midway, Chicago (MDW)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
05:30
Los Angeles (LAX) 1

11:10
Saint Louis (STL) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3427
05:30
Los Angeles (LAX) 1

11:10
Saint Louis (STL) 2
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3427
05:35
Los Angeles (LAX) 1

11:15
Saint Louis (STL) 2
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3427
06:25
Los Angeles (LAX) 1

12:00
Saint Louis (STL) 2
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
07:45
Denver (DEN)

12:35
Atlanta (ATL) N
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
07:45
Denver (DEN)

12:35
Atlanta (ATL) N
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
08:20
Grand Rapids (GRR)

11:05
Orlando (MCO)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3427
08:45
Burbank (BUR)

12:05
Denver (DEN)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3427
10:35
Burbank (BUR)

14:00
Denver (DEN)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3427
11:40
Burbank (BUR)

15:00
Denver (DEN)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3427
11:40
Burbank (BUR)

15:00
Denver (DEN)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3427
13:25
Burbank (BUR)

16:45
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3427
17:35
New York LaGuardia (LGA) B

19:15
Nashville (BNA)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3427
17:35
New York LaGuardia (LGA) B

19:15
Nashville (BNA)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3427
19:00
New York LaGuardia (LGA) B

20:40
Nashville (BNA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3427
19:05
New York LaGuardia (LGA) B

20:40
Nashville (BNA)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
19:05
New York LaGuardia (LGA) B

20:40
Nashville (BNA)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
19:05
New York LaGuardia (LGA) B

20:40
Nashville (BNA)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
19:05
New York LaGuardia (LGA) B

20:40
Nashville (BNA)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
19:05
New York LaGuardia (LGA) B

20:40
Nashville (BNA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3427
19:10
New York LaGuardia (LGA) B

20:45
Nashville (BNA)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3427
19:10
New York LaGuardia (LGA) B

20:45
Nashville (BNA)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3427
21:30
New York LaGuardia (LGA) B

23:10
Nashville (BNA)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3427
21:30
New York LaGuardia (LGA) B

23:10
Nashville (BNA)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3427
21:30
New York LaGuardia (LGA) B

23:10
Nashville (BNA)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3427
21:30
New York LaGuardia (LGA) B

23:10
Nashville (BNA)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3427
21:30
New York LaGuardia (LGA) B

23:10
Nashville (BNA)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Burbank (BUR) - Denver (DEN)
  • Denver (DEN) - Atlanta (ATL)
  • Grand Rapids (GRR) - Orlando (MCO)
  • Los Angeles (LAX) - Saint Louis (STL)
  • New York LaGuardia (LGA) - Nashville (BNA)
  • Sacramento (SMF) - Midway, Chicago (MDW)
All Southwest Airlines flights
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