Southwest Airlines flight WN 4155: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 08:45 Las Vegas Harry Reid (LAS) 1 10:20 Sacramento (SMF) B
WN 4155 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-05-18
Sun 08:45 Las Vegas Harry Reid (LAS) 1 10:20 Sacramento (SMF) B
WN 4155 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-06-01
Mon,Thu,Fri 10:00 Saint Louis (STL) 2 11:15 Denver (DEN)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-08-07 through 2025-09-29
Sun 10:45 Saint Louis (STL) 2 12:00 Denver (DEN)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-08-10 through 2025-08-24
Sun 10:45 Saint Louis (STL) 2 12:00 Denver (DEN)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-09-07 through 2025-09-28
Sun 11:35 Saint Louis (STL) 2 12:50 Denver (DEN)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-08-31
Sat 14:00 Pensacola (PNS) 15:50 Saint Louis (STL) 2
WN 4155 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-22 through 2025-11-29
Sat 14:00 Pensacola (PNS) 15:50 Saint Louis (STL) 2
WN 4155 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737-700 (73W) 3:50 Effective 2025-06-05 through 2025-07-03
Sat 14:50 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-06-07 through 2025-08-02
Tue,Wed 14:50 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-06-10 through 2025-07-02
Tue,Wed,Fri 14:50 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-07-04 through 2025-07-09
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737-700 (73W) 3:50 Effective 2025-07-07 through 2025-08-04
Tue,Wed 14:50 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-07-15 through 2025-07-30
Sun 14:55 Chicago O'Hare (ORD) 5 16:40 Phoenix Sky Harbor (PHX) 4
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-06-08 through 2025-08-03
Tue,Wed 15:00 Saint Louis (STL) 2 16:15 Denver (DEN)
WN 4155 Non-stop Boeing 737-700 (73W) 2:15 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 17:20 Phoenix Sky Harbor (PHX) 4 18:35 Santa Ana (SNA)
WN 4155 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 17:20 Phoenix Sky Harbor (PHX) 4 18:35 Santa Ana (SNA)
WN 4155 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-07-07 through 2025-08-04
Tue,Wed 18:30 Phoenix Sky Harbor (PHX) 4 21:45 Tulsa (TUL)
WN 4155 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 18:30 Phoenix Sky Harbor (PHX) 4 21:45 Tulsa (TUL)
WN 4155 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-11-17 through 2025-11-20
Mon-Fri 18:30 Phoenix Sky Harbor (PHX) 4 21:45 Tulsa (TUL)
WN 4155 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-12-02 through 2025-12-11
Mon-Wed 18:30 Phoenix Sky Harbor (PHX) 4 21:45 Tulsa (TUL)
WN 4155 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 18:30 Phoenix Sky Harbor (PHX) 4 21:45 Tulsa (TUL)
WN 4155 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 19:10 Santa Ana (SNA) 20:25 San Jose (SJC) B
WN 4155 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 19:10 Santa Ana (SNA) 20:25 San Jose (SJC) B
WN 4155 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri,Sun 20:10 Phoenix Sky Harbor (PHX) 4 23:25 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:10 Phoenix Sky Harbor (PHX) 4 23:25 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:10 Phoenix Sky Harbor (PHX) 4 23:25 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-07 through 2025-12-14
Thu 20:10 Phoenix Sky Harbor (PHX) 4 23:25 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-12-18
Mon 20:10 Phoenix Sky Harbor (PHX) 4 23:25 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-01-05
Mon-Wed 20:20 Phoenix Sky Harbor (PHX) 4 23:35 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 20:20 Phoenix Sky Harbor (PHX) 4 23:35 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-19 through 2026-01-04
Sun 21:25 Phoenix Sky Harbor (PHX) 4 00:40 Tulsa (TUL)
WN 4155 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-11-30
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 5 18:35 Santa Ana (SNA)
WN 4155 1-stop Boeing 737-700 (73W) 5:45 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 5 18:35 Santa Ana (SNA)
WN 4155 1-stop Boeing 737-700 (73W) 5:45 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri 17:20 Phoenix Sky Harbor (PHX) 4 20:25 San Jose (SJC) B
WN 4155 1-stop Boeing 737-700 (73W) 3:05 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 17:20 Phoenix Sky Harbor (PHX) 4 20:25 San Jose (SJC) B
WN 4155 1-stop Boeing 737-700 (73W) 3:05 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 5 20:25 San Jose (SJC) B
WN 4155 2-stop Boeing 737-700 (73W) 7:35 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:50 Chicago O'Hare (ORD) 5 20:25 San Jose (SJC) B
WN 4155 2-stop Boeing 737-700 (73W) 7:35 Effective 2025-07-07 through 2025-08-04
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4155: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4155
08:45
Las Vegas Harry Reid (LAS) 1

10:20
Sacramento (SMF) B
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
08:45
Las Vegas Harry Reid (LAS) 1

10:20
Sacramento (SMF) B
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
10:00
Saint Louis (STL) 2

11:15
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
10:45
Saint Louis (STL) 2

12:00
Denver (DEN)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
10:45
Saint Louis (STL) 2

12:00
Denver (DEN)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
11:35
Saint Louis (STL) 2

12:50
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
14:00
Pensacola (PNS)

15:50
Saint Louis (STL) 2
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4155
14:00
Pensacola (PNS)

15:50
Saint Louis (STL) 2
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-10 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-07-04 through 2025-07-09
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-07-15 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
14:55
Chicago O'Hare (ORD) 5

16:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
15:00
Saint Louis (STL) 2

16:15
Denver (DEN)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
17:20
Phoenix Sky Harbor (PHX) 4

18:35
Santa Ana (SNA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
17:20
Phoenix Sky Harbor (PHX) 4

18:35
Santa Ana (SNA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
18:30
Phoenix Sky Harbor (PHX) 4

21:45
Tulsa (TUL)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
18:30
Phoenix Sky Harbor (PHX) 4

21:45
Tulsa (TUL)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
18:30
Phoenix Sky Harbor (PHX) 4

21:45
Tulsa (TUL)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
18:30
Phoenix Sky Harbor (PHX) 4

21:45
Tulsa (TUL)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
18:30
Phoenix Sky Harbor (PHX) 4

21:45
Tulsa (TUL)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4155
19:10
Santa Ana (SNA)

20:25
San Jose (SJC) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
19:10
Santa Ana (SNA)

20:25
San Jose (SJC) B
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
20:10
Phoenix Sky Harbor (PHX) 4

23:25
Tulsa (TUL)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
20:10
Phoenix Sky Harbor (PHX) 4

23:25
Tulsa (TUL)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
20:10
Phoenix Sky Harbor (PHX) 4

23:25
Tulsa (TUL)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
20:10
Phoenix Sky Harbor (PHX) 4

23:25
Tulsa (TUL)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
20:10
Phoenix Sky Harbor (PHX) 4

23:25
Tulsa (TUL)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
20:20
Phoenix Sky Harbor (PHX) 4

23:35
Tulsa (TUL)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
20:20
Phoenix Sky Harbor (PHX) 4

23:35
Tulsa (TUL)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4155
21:25
Phoenix Sky Harbor (PHX) 4

00:40(+1)
Tulsa (TUL)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

18:35
Santa Ana (SNA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

18:35
Santa Ana (SNA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
17:20
Phoenix Sky Harbor (PHX) 4

20:25
San Jose (SJC) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
17:20
Phoenix Sky Harbor (PHX) 4

20:25
San Jose (SJC) B
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

20:25
San Jose (SJC) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:35, 2-stop
Boeing 737-700 (73W)
Southwest Airlines WN4155
14:50
Chicago O'Hare (ORD) 5

20:25
San Jose (SJC) B
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:35, 2-stop
Boeing 737-700 (73W)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Phoenix Sky Harbor (PHX)
  • Chicago O'Hare (ORD) - San Jose (SJC)
  • Chicago O'Hare (ORD) - Santa Ana (SNA)
  • Las Vegas Harry Reid (LAS) - Sacramento (SMF)
  • Pensacola (PNS) - Saint Louis (STL)
  • Phoenix Sky Harbor (PHX) - San Jose (SJC)
  • Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
  • Phoenix Sky Harbor (PHX) - Tulsa (TUL)
  • Saint Louis (STL) - Denver (DEN)
  • Santa Ana (SNA) - San Jose (SJC)
All Southwest Airlines flights
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