Southwest Airlines flight WN 4391: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 12:25 Las Vegas Harry Reid (LAS) 1 19:40 Buffalo (BUF)
WN 4391 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2025-06-08 through 2025-08-03
Tue,Wed 14:20 Midway, Chicago (MDW) 16:50 Seattle-Tacoma (SEA)
WN 4391 Non-stop Boeing 737-700 (73W) 4:30 Valid until 2025-06-04
Sun 16:40 Denver (DEN) 18:05 Santa Ana (SNA)
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2025-11-30
Tue,Wed 17:25 Seattle-Tacoma (SEA) 19:30 Oakland (OAK) 2
WN 4391 Non-stop Boeing 737-700 (73W) 2:05 Valid until 2025-06-04
Tue,Wed 17:30 Santa Ana (SNA) 19:00 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:30 Santa Ana (SNA) 19:00 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:30 Santa Ana (SNA) 19:00 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:30 Santa Ana (SNA) 19:00 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:30 Santa Ana (SNA) 19:00 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 18:35 Santa Ana (SNA) 20:05 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 18:35 Santa Ana (SNA) 20:05 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-21 through 2025-11-28
Fri,Sun 18:35 Santa Ana (SNA) 20:05 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-07 through 2025-12-14
Thu 18:35 Santa Ana (SNA) 20:05 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2025-12-18
Mon 18:35 Santa Ana (SNA) 20:05 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-01-05
Sun 18:40 Santa Ana (SNA) 20:10 Sacramento (SMF) B
WN 4391 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2025-11-30
Sat 20:00 Buffalo (BUF) 22:40 Orlando (MCO)
WN 4391 Non-stop Boeing 737-700 (73W) 2:40 Effective 2025-06-07 through 2025-08-02
Sun 20:30 Buffalo (BUF) 23:10 Orlando (MCO)
WN 4391 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 20:45 Seattle-Tacoma (SEA) 22:50 Oakland (OAK) 2
WN 4391 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2025-06-02
Non-Direct Flights:
Sun 12:25 Las Vegas Harry Reid (LAS) 1 23:10 Orlando (MCO)
WN 4391 1-stop Boeing 737 MAX 8 (7M8) 7:45 Effective 2025-06-08 through 2025-08-03
Tue,Wed 14:20 Midway, Chicago (MDW) 19:30 Oakland (OAK) 2
WN 4391 1-stop Boeing 737-700 (73W) 7:10 Valid until 2025-06-04
Sun 16:40 Denver (DEN) 20:10 Sacramento (SMF) B
WN 4391 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Operates only on 2025-11-30
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4391: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4391
12:25
Las Vegas Harry Reid (LAS) 1

19:40
Buffalo (BUF)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4391
14:20
Midway, Chicago (MDW)

16:50
Seattle-Tacoma (SEA)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4391
16:40
Denver (DEN)

18:05
Santa Ana (SNA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
17:25
Seattle-Tacoma (SEA)

19:30
Oakland (OAK) 2
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4391
17:30
Santa Ana (SNA)

19:00
Sacramento (SMF) B
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
17:30
Santa Ana (SNA)

19:00
Sacramento (SMF) B
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
17:30
Santa Ana (SNA)

19:00
Sacramento (SMF) B
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
17:30
Santa Ana (SNA)

19:00
Sacramento (SMF) B
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
17:30
Santa Ana (SNA)

19:00
Sacramento (SMF) B
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
18:35
Santa Ana (SNA)

20:05
Sacramento (SMF) B
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
18:35
Santa Ana (SNA)

20:05
Sacramento (SMF) B
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
18:35
Santa Ana (SNA)

20:05
Sacramento (SMF) B
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
18:35
Santa Ana (SNA)

20:05
Sacramento (SMF) B
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
18:35
Santa Ana (SNA)

20:05
Sacramento (SMF) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
18:40
Santa Ana (SNA)

20:10
Sacramento (SMF) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4391
20:00
Buffalo (BUF)

22:40
Orlando (MCO)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4391
20:30
Buffalo (BUF)

23:10
Orlando (MCO)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4391
20:45
Seattle-Tacoma (SEA)

22:50
Oakland (OAK) 2
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4391
12:25
Las Vegas Harry Reid (LAS) 1

23:10
Orlando (MCO)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:45, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4391
14:20
Midway, Chicago (MDW)

19:30
Oakland (OAK) 2
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4391
16:40
Denver (DEN)

20:10
Sacramento (SMF) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Orlando (MCO)
  • Denver (DEN) - Sacramento (SMF)
  • Denver (DEN) - Santa Ana (SNA)
  • Las Vegas Harry Reid (LAS) - Buffalo (BUF)
  • Las Vegas Harry Reid (LAS) - Orlando (MCO)
  • Midway, Chicago (MDW) - Oakland (OAK)
  • Midway, Chicago (MDW) - Seattle-Tacoma (SEA)
  • Santa Ana (SNA) - Sacramento (SMF)
  • Seattle-Tacoma (SEA) - Oakland (OAK)
All Southwest Airlines flights
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