Southwest Airlines flight WN 4156: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:00 Boston Logan (BOS) B 07:25 Denver (DEN) WN 4156 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-06-09 through 2026-07-29
Sun 05:15 Boston Logan (BOS) B 07:40 Denver (DEN) WN 4156 Non-stop Boeing 737-800 (73H) 4:25 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 06:25 Boston Logan (BOS) B 08:50 Denver (DEN) WN 4156 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-06-04 through 2026-08-03
Sat 06:40 Boston Logan (BOS) B 09:05 Denver (DEN) WN 4156 Non-stop Boeing 737-800 (73H) 4:25 Effective 2026-06-06 through 2026-08-01
Sat 08:30 Sacramento (SMF) B 10:00 Portland (PDX) WN 4156 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-08 through 2026-09-26
Tue,Wed 08:35 Sacramento (SMF) B 10:05 Portland (PDX) WN 4156 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-08-04 through 2026-09-30
Sun 09:00 Chicago Midway (MDW) 10:30 Nashville (BNA) WN 4156 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-03-08 through 2026-04-05
Sun 10:15 Sacramento (SMF) B 11:45 Portland (PDX) WN 4156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-09 through 2026-09-27
Thu,Fri,Sun 16:15 Dallas Love Field (DAL) 1 17:35 Midland (MAF) WN 4156 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:15 Dallas Love Field (DAL) 1 17:35 Midland (MAF) WN 4156 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:15 Dallas Love Field (DAL) 1 17:35 Midland (MAF) WN 4156 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-02-01 through 2026-02-06
Mon,Sun 16:15 Dallas Love Field (DAL) 1 17:35 Midland (MAF) WN 4156 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 16:15 Dallas Love Field (DAL) 1 17:35 Midland (MAF) WN 4156 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-02-17 through 2026-02-23
Mon 16:15 Dallas Love Field (DAL) 1 17:35 Midland (MAF) WN 4156 Non-stop Boeing 737-800 (73H) 1:20 Operates only on 2026-03-02
Mon,Thu,Fri 16:55 Sacramento (SMF) B 18:25 Portland (PDX) WN 4156 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-06 through 2026-09-28
Mon 17:15 Pittsburgh (PIT) 19:00 Atlanta (ATL) N WN 4156 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-01-05
Sat 18:25 Orlando (MCO) 20:15 Saint Louis (STL) 2 WN 4156 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-14 through 2026-04-04
Sun 20:30 Orlando (MCO) 21:30 West Palm Beach (PBI) WN 4156 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Operates only on 2026-05-24
Mon,Tue,Sun 21:45 Denver (DEN) 00:45 Saint Louis (STL) 2 WN 4156 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Valid until 2026-01-04 The flight arrives 1 day after departure.
Fri 21:55 Denver (DEN) 01:00 Saint Louis (STL) 2 WN 4156 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2026-01-02 The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Boston Logan (BOS) - Denver (DEN)
Chicago Midway (MDW) - Nashville (BNA)
Dallas Love Field (DAL) - Midland (MAF)
Denver (DEN) - Saint Louis (STL)
Orlando (MCO) - Saint Louis (STL)
Orlando (MCO) - West Palm Beach (PBI)
Pittsburgh (PIT) - Atlanta (ATL)
Sacramento (SMF) - Portland (PDX)

All Southwest Airlines flights

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Southwest Airlines flight WN 4156: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4156

05:00

Boston Logan (BOS) B

07:25

Denver (DEN)

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4156

05:15

Boston Logan (BOS) B

07:40

Denver (DEN)

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

06:25

Boston Logan (BOS) B

08:50

Denver (DEN)

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4156

06:40

Boston Logan (BOS) B

09:05

Denver (DEN)

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

08:30

Sacramento (SMF) B

10:00

Portland (PDX)

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4156

08:35

Sacramento (SMF) B

10:05

Portland (PDX)

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

09:00

Chicago Midway (MDW)

10:30

Nashville (BNA)

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

10:15

Sacramento (SMF) B

11:45

Portland (PDX)

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4156

16:15

Dallas Love Field (DAL) 1

17:35

Midland (MAF)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

16:15

Dallas Love Field (DAL) 1

17:35

Midland (MAF)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

16:15

Dallas Love Field (DAL) 1

17:35

Midland (MAF)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

16:15

Dallas Love Field (DAL) 1

17:35

Midland (MAF)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

16:15

Dallas Love Field (DAL) 1

17:35

Midland (MAF)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

16:15

Dallas Love Field (DAL) 1

17:35

Midland (MAF)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

16:55

Sacramento (SMF) B

18:25

Portland (PDX)

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4156

17:15

Pittsburgh (PIT)

19:00

Atlanta (ATL) N

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

18:25

Orlando (MCO)

20:15

Saint Louis (STL) 2

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4156

20:30

Orlando (MCO)

21:30

West Palm Beach (PBI)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4156

21:45

Denver (DEN)

00:45(+1)

Saint Louis (STL) 2

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4156

21:55

Denver (DEN)

01:00(+1)

Saint Louis (STL) 2

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

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Parallax here

This flight number is listed as serving the following routes:

Boston Logan (BOS) - Denver (DEN)
Chicago Midway (MDW) - Nashville (BNA)
Dallas Love Field (DAL) - Midland (MAF)
Denver (DEN) - Saint Louis (STL)
Orlando (MCO) - Saint Louis (STL)
Orlando (MCO) - West Palm Beach (PBI)
Pittsburgh (PIT) - Atlanta (ATL)
Sacramento (SMF) - Portland (PDX)

All Southwest Airlines flights

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