Southwest Airlines flight WN 4540: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 07:00 Sacramento (SMF) B 08:30 Santa Ana (SNA)
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-10-02 through 2025-10-31
Sun 10:35 Baltimore (BWI) 11:50 Rochester (ROC)
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2025-11-30
Sun 12:35 Rochester (ROC) 14:40 Las Vegas Harry Reid (LAS) 1
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 5:05 Operates only on 2025-11-30
Sat 14:15 Ontario, Los Angeles (ONT) 4 15:30 San Jose (SJC) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-22 through 2025-11-29
Sat 14:15 Ontario, Los Angeles (ONT) 4 15:30 San Jose (SJC) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-12-20 through 2026-01-03
Sun 15:20 Las Vegas Harry Reid (LAS) 1 16:25 Ontario, Los Angeles (ONT) 4
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Operates only on 2025-11-30
Mon-Wed 15:40 Las Vegas Harry Reid (LAS) 1 16:45 Ontario, Los Angeles (ONT) 4
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 15:40 Las Vegas Harry Reid (LAS) 1 16:45 Ontario, Los Angeles (ONT) 4
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri,Sun 16:00 Ontario, Los Angeles (ONT) 4 17:15 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 16:00 Ontario, Los Angeles (ONT) 4 17:15 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 16:00 Ontario, Los Angeles (ONT) 4 17:15 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-12-07 through 2025-12-14
Thu 16:00 Ontario, Los Angeles (ONT) 4 17:15 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2025-12-18
Mon 16:00 Ontario, Los Angeles (ONT) 4 17:15 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2026-01-05
Sun 17:00 Ontario, Los Angeles (ONT) 4 18:15 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2025-11-30
Sat 17:20 Ontario, Los Angeles (ONT) 4 18:35 San Jose (SJC) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-11-08 through 2025-11-15
Mon-Wed 17:20 Ontario, Los Angeles (ONT) 4 18:35 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-25 through 2025-12-01
Sat 17:20 Ontario, Los Angeles (ONT) 4 18:35 San Jose (SJC) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-12-06 through 2025-12-13
Mon,Tue,Fri,Sun 17:20 Ontario, Los Angeles (ONT) 4 18:35 San Jose (SJC) B
WN 4540 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-19 through 2026-01-04
Sat 19:05 Orlando (MCO) 22:00 Albany (ALB)
WN 4540 Non-stop Boeing 737-700 (73W) 2:55 Effective 2025-06-07 through 2025-08-02
Sun 19:50 Los Angeles (LAX) 1 21:15 Sacramento (SMF) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Operates only on 2025-08-31
Sun 21:10 Los Angeles (LAX) 1 22:35 Sacramento (SMF) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-08-10 through 2025-08-24
Sun 21:10 Los Angeles (LAX) 1 22:35 Sacramento (SMF) B
WN 4540 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-09-07 through 2025-09-28
Non-Direct Flights:
Sun 10:35 Baltimore (BWI) 14:40 Las Vegas Harry Reid (LAS) 1
WN 4540 1-stop Boeing 737-700 (Scimitar Winglets) 7:05 Operates only on 2025-11-30
Sun 12:35 Rochester (ROC) 16:25 Ontario, Los Angeles (ONT) 4
WN 4540 1-stop Boeing 737-700 (Scimitar Winglets) 6:50 Operates only on 2025-11-30
Sun 15:20 Las Vegas Harry Reid (LAS) 1 18:15 San Jose (SJC) B
WN 4540 1-stop Boeing 737-700 (Scimitar Winglets) 2:55 Operates only on 2025-11-30
Mon-Wed 15:40 Las Vegas Harry Reid (LAS) 1 18:35 San Jose (SJC) B
WN 4540 1-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 15:40 Las Vegas Harry Reid (LAS) 1 18:35 San Jose (SJC) B
WN 4540 1-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2025-12-19 through 2026-01-04
Sun 10:35 Baltimore (BWI) 16:25 Ontario, Los Angeles (ONT) 4
WN 4540 2-stop Boeing 737-700 (Scimitar Winglets) 8:50 Operates only on 2025-11-30
Sun 12:35 Rochester (ROC) 18:15 San Jose (SJC) B
WN 4540 2-stop Boeing 737-700 (Scimitar Winglets) 8:40 Operates only on 2025-11-30
Sun 10:35 Baltimore (BWI) 18:15 San Jose (SJC) B
WN 4540 3-stop Boeing 737-700 (Scimitar Winglets) 10:40 Operates only on 2025-11-30
Ad flat here 1377413384 I FlightWNum Lower
Parallax here
This flight number is listed as serving the following routes:


Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Southwest Airlines flight WN 4540: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4540
07:00
Sacramento (SMF) B

08:30
Santa Ana (SNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
10:35
Baltimore (BWI)

11:50
Rochester (ROC)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
12:35
Rochester (ROC)

14:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
14:15
Ontario, Los Angeles (ONT) 4

15:30
San Jose (SJC) B
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4540
14:15
Ontario, Los Angeles (ONT) 4

15:30
San Jose (SJC) B
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4540
15:20
Las Vegas Harry Reid (LAS) 1

16:25
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
15:40
Las Vegas Harry Reid (LAS) 1

16:45
Ontario, Los Angeles (ONT) 4
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
15:40
Las Vegas Harry Reid (LAS) 1

16:45
Ontario, Los Angeles (ONT) 4
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
16:00
Ontario, Los Angeles (ONT) 4

17:15
San Jose (SJC) B
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4540
16:00
Ontario, Los Angeles (ONT) 4

17:15
San Jose (SJC) B
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4540
16:00
Ontario, Los Angeles (ONT) 4

17:15
San Jose (SJC) B
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4540
16:00
Ontario, Los Angeles (ONT) 4

17:15
San Jose (SJC) B
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4540
16:00
Ontario, Los Angeles (ONT) 4

17:15
San Jose (SJC) B
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4540
17:00
Ontario, Los Angeles (ONT) 4

18:15
San Jose (SJC) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
17:20
Ontario, Los Angeles (ONT) 4

18:35
San Jose (SJC) B
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4540
17:20
Ontario, Los Angeles (ONT) 4

18:35
San Jose (SJC) B
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 WN4540
17:20
Ontario, Los Angeles (ONT) 4

18:35
San Jose (SJC) B
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4540
17:20
Ontario, Los Angeles (ONT) 4

18:35
San Jose (SJC) B
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 WN4540
19:05
Orlando (MCO)

22:00
Albany (ALB)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4540
19:50
Los Angeles (LAX) 1

21:15
Sacramento (SMF) B
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4540
21:10
Los Angeles (LAX) 1

22:35
Sacramento (SMF) B
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4540
21:10
Los Angeles (LAX) 1

22:35
Sacramento (SMF) B
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4540
10:35
Baltimore (BWI)

14:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
12:35
Rochester (ROC)

16:25
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
15:20
Las Vegas Harry Reid (LAS) 1

18:15
San Jose (SJC) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
15:40
Las Vegas Harry Reid (LAS) 1

18:35
San Jose (SJC) B
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
15:40
Las Vegas Harry Reid (LAS) 1

18:35
San Jose (SJC) B
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
10:35
Baltimore (BWI)

16:25
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:50, 2-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
12:35
Rochester (ROC)

18:15
San Jose (SJC) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:40, 2-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4540
10:35
Baltimore (BWI)

18:15
San Jose (SJC) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 10:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Las Vegas Harry Reid (LAS)
  • Baltimore (BWI) - Ontario, Los Angeles (ONT)
  • Baltimore (BWI) - Rochester (ROC)
  • Baltimore (BWI) - San Jose (SJC)
  • Las Vegas Harry Reid (LAS) - Ontario, Los Angeles (ONT)
  • Las Vegas Harry Reid (LAS) - San Jose (SJC)
  • Los Angeles (LAX) - Sacramento (SMF)
  • Ontario, Los Angeles (ONT) - San Jose (SJC)
  • Orlando (MCO) - Albany (ALB)
  • Rochester (ROC) - Las Vegas Harry Reid (LAS)
  • Rochester (ROC) - Ontario, Los Angeles (ONT)
  • Rochester (ROC) - San Jose (SJC)
  • Sacramento (SMF) - Santa Ana (SNA)
All Southwest Airlines flights
Feedback     -     Disclaimer     -     Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False