Southwest Airlines flight WN 4001: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 11:55 Las Vegas Harry Reid (LAS) 1 17:30 Chicago Midway (MDW) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-04-11 through 2026-05-30
Sat 12:35 Tampa (TPA) 13:50 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-10 through 2026-02-07
Sun 14:55 Houston Hobby (HOU) 15:35 Tucson (TUS) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-03-08 through 2026-04-05
Sun 16:10 Tucson (TUS) 17:05 Phoenix Sky Harbor (PHX) 4 WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 0:55 Effective 2026-03-08 through 2026-04-05
Thu,Fri,Sun 16:45 Tampa (TPA) 17:55 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:45 Tampa (TPA) 17:55 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:45 Tampa (TPA) 17:55 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 16:45 Tampa (TPA) 17:55 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 16:45 Tampa (TPA) 17:55 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2026-02-17 through 2026-02-23
Mon 16:45 Tampa (TPA) 17:55 Fort Lauderdale (FLL) 1 WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Operates only on 2026-03-02
Sun 17:30 Las Vegas Harry Reid (LAS) 1 20:15 El Paso (ELP) WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-08-09 through 2026-09-27
Sun 17:40 Phoenix Sky Harbor (PHX) 4 19:00 Santa Ana (SNA) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 17:50 Phoenix Sky Harbor (PHX) 4 19:10 Santa Ana (SNA) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-09 through 2026-04-06
Sat 18:05 Phoenix Sky Harbor (PHX) 4 19:30 Santa Ana (SNA) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-03-14 through 2026-04-04
Tue,Wed 18:15 Phoenix Sky Harbor (PHX) 4 19:40 Santa Ana (SNA) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-03-10 through 2026-04-01
Mon 18:30 Ontario, Los Angeles (ONT) 4 20:00 Sacramento (SMF) B WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-01-05
Thu,Fri 18:50 Phoenix Sky Harbor (PHX) 4 19:10 Santa Ana (SNA) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-03-05 through 2026-03-06
Mon,Thu,Fri 18:55 Tampa (TPA) 20:25 Austin (AUS) WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-06-04 through 2026-08-03
Sat 19:05 Phoenix Sky Harbor (PHX) 4 19:30 Santa Ana (SNA) WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-03-07
Fri,Sun 19:20 Ontario, Los Angeles (ONT) 4 20:45 Sacramento (SMF) B WN 4001 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-02 through 2026-01-04
Sat 20:50 Ontario, Los Angeles (ONT) 4 22:15 Sacramento (SMF) B WN 4001 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2026-01-03
Tue,Wed 20:50 Tampa (TPA) 22:15 Austin (AUS) WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 21:35 New York LaGuardia (LGA) B 23:35 Kansas City (MCI) WN 4001 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-08-06 through 2026-09-28
Non-Direct Flights:
Sun 14:55 Houston Hobby (HOU) 17:05 Phoenix Sky Harbor (PHX) 4 WN 4001 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2026-03-08 through 2026-04-05
Sun 16:10 Tucson (TUS) 19:00 Santa Ana (SNA) WN 4001 1-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-03-08 through 2026-04-05
Sun 14:55 Houston Hobby (HOU) 19:00 Santa Ana (SNA) WN 4001 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2026-03-08 through 2026-04-05

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This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
Houston Hobby (HOU) - Santa Ana (SNA)
Houston Hobby (HOU) - Tucson (TUS)
Las Vegas Harry Reid (LAS) - Chicago Midway (MDW)
Las Vegas Harry Reid (LAS) - El Paso (ELP)
New York LaGuardia (LGA) - Kansas City (MCI)
Ontario, Los Angeles (ONT) - Sacramento (SMF)
Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
Tampa (TPA) - Austin (AUS)
Tampa (TPA) - Fort Lauderdale (FLL)
Tucson (TUS) - Phoenix Sky Harbor (PHX)
Tucson (TUS) - Santa Ana (SNA)

All Southwest Airlines flights

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Southwest Airlines flight WN 4001: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4001

11:55

Las Vegas Harry Reid (LAS) 1

17:30

Chicago Midway (MDW)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

12:35

Tampa (TPA)

13:50

Fort Lauderdale (FLL) 1

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

14:55

Houston Hobby (HOU)

15:35

Tucson (TUS)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

16:10

Tucson (TUS)

17:05

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 0:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

16:45

Tampa (TPA)

17:55

Fort Lauderdale (FLL) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

16:45

Tampa (TPA)

17:55

Fort Lauderdale (FLL) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

16:45

Tampa (TPA)

17:55

Fort Lauderdale (FLL) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

16:45

Tampa (TPA)

17:55

Fort Lauderdale (FLL) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

16:45

Tampa (TPA)

17:55

Fort Lauderdale (FLL) 1

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

16:45

Tampa (TPA)

17:55

Fort Lauderdale (FLL) 1

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

17:30

Las Vegas Harry Reid (LAS) 1

20:15

El Paso (ELP)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

17:40

Phoenix Sky Harbor (PHX) 4

19:00

Santa Ana (SNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

17:50

Phoenix Sky Harbor (PHX) 4

19:10

Santa Ana (SNA)

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

18:05

Phoenix Sky Harbor (PHX) 4

19:30

Santa Ana (SNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

18:15

Phoenix Sky Harbor (PHX) 4

19:40

Santa Ana (SNA)

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

18:30

Ontario, Los Angeles (ONT) 4

20:00

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)

Direct Flights:

Southwest Airlines WN4001

18:50

Phoenix Sky Harbor (PHX) 4

19:10

Santa Ana (SNA)

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

18:55

Tampa (TPA)

20:25

Austin (AUS)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

19:05

Phoenix Sky Harbor (PHX) 4

19:30

Santa Ana (SNA)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

19:20

Ontario, Los Angeles (ONT) 4

20:45

Sacramento (SMF) B

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4001

20:50

Ontario, Los Angeles (ONT) 4

22:15

Sacramento (SMF) B

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:25, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4001

20:50

Tampa (TPA)

22:15

Austin (AUS)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4001

21:35

New York LaGuardia (LGA) B

23:35

Kansas City (MCI)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4001

14:55

Houston Hobby (HOU)

17:05

Phoenix Sky Harbor (PHX) 4

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4001

16:10

Tucson (TUS)

19:00

Santa Ana (SNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4001

14:55

Houston Hobby (HOU)

19:00

Santa Ana (SNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

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This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
Houston Hobby (HOU) - Santa Ana (SNA)
Houston Hobby (HOU) - Tucson (TUS)
Las Vegas Harry Reid (LAS) - Chicago Midway (MDW)
Las Vegas Harry Reid (LAS) - El Paso (ELP)
New York LaGuardia (LGA) - Kansas City (MCI)
Ontario, Los Angeles (ONT) - Sacramento (SMF)
Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
Tampa (TPA) - Austin (AUS)
Tampa (TPA) - Fort Lauderdale (FLL)
Tucson (TUS) - Phoenix Sky Harbor (PHX)
Tucson (TUS) - Santa Ana (SNA)

All Southwest Airlines flights

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