Southwest Airlines flight WN 4373: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:00 Tucson (TUS) 07:20 San Diego (SAN) 1 WN 4373 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-10-02 through 2025-10-31
Sun 06:30 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-05 through 2025-10-26
Sat 07:05 Tucson (TUS) 08:30 San Diego (SAN) 1 WN 4373 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 08:00 San Diego (SAN) 1 09:45 Oakland (OAK) 2 WN 4373 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-10-02 through 2025-10-31
Sun 08:30 San Diego (SAN) 1 11:15 Portland (PDX) WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2025-10-05 through 2025-10-26
Sat 10:30 Tampa (TPA) 12:50 Indianapolis (IND) WN 4373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-06-07 through 2025-08-02
Sun 13:55 Tampa (TPA) 16:20 Indianapolis (IND) WN 4373 Non-stop Boeing 737-800 (73H) 2:25 Effective 2025-06-08 through 2025-08-03
Mon-Wed 15:05 Sacramento (SMF) B 16:25 Ontario, Los Angeles (ONT) 4 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 15:05 Sacramento (SMF) B 16:25 Ontario, Los Angeles (ONT) 4 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-19 through 2026-01-04
Sat 16:45 Sacramento (SMF) B 18:10 Ontario, Los Angeles (ONT) 4 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-22 through 2025-11-29
Sat 16:45 Sacramento (SMF) B 18:10 Ontario, Los Angeles (ONT) 4 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-20 through 2026-01-03
Sat 18:45 Ontario, Los Angeles (ONT) 4 19:50 Las Vegas Harry Reid (LAS) 1 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-11-22 through 2025-11-29
Sat 18:45 Ontario, Los Angeles (ONT) 4 19:50 Las Vegas Harry Reid (LAS) 1 WN 4373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-12-20 through 2026-01-03
Non-Direct Flights:
Mon,Thu,Fri 06:00 Tucson (TUS) 09:45 Oakland (OAK) 2 WN 4373 1-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2025-10-02 through 2025-10-31
Sun 06:30 Tucson (TUS) 11:15 Portland (PDX) WN 4373 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2025-10-05 through 2025-10-26
Sat 16:45 Sacramento (SMF) B 19:50 Las Vegas Harry Reid (LAS) 1 WN 4373 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-11-22 through 2025-11-29
Sat 16:45 Sacramento (SMF) B 19:50 Las Vegas Harry Reid (LAS) 1 WN 4373 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-12-20 through 2026-01-03

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This flight number is listed as serving the following routes:

Ontario, Los Angeles (ONT) - Las Vegas Harry Reid (LAS)
Sacramento (SMF) - Las Vegas Harry Reid (LAS)
Sacramento (SMF) - Ontario, Los Angeles (ONT)
San Diego (SAN) - Oakland (OAK)
San Diego (SAN) - Portland (PDX)
Tampa (TPA) - Indianapolis (IND)
Tucson (TUS) - Oakland (OAK)
Tucson (TUS) - Portland (PDX)
Tucson (TUS) - San Diego (SAN)

All Southwest Airlines flights

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Southwest Airlines flight WN 4373: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4373

06:00

Tucson (TUS)

07:20

San Diego (SAN) 1

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4373

06:30

Tucson (TUS)

07:50

San Diego (SAN) 1

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Southwest Airlines WN4373

07:05

Tucson (TUS)

08:30

San Diego (SAN) 1

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4373

08:00

San Diego (SAN) 1

09:45

Oakland (OAK) 2

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN4373

08:30

San Diego (SAN) 1

11:15

Portland (PDX)

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4373

10:30

Tampa (TPA)

12:50

Indianapolis (IND)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4373

13:55

Tampa (TPA)

16:20

Indianapolis (IND)

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4373

15:05

Sacramento (SMF) B

16:25

Ontario, Los Angeles (ONT) 4

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN4373

15:05

Sacramento (SMF) B

16:25

Ontario, Los Angeles (ONT) 4

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Southwest Airlines WN4373

16:45

Sacramento (SMF) B

18:10

Ontario, Los Angeles (ONT) 4

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4373

16:45

Sacramento (SMF) B

18:10

Ontario, Los Angeles (ONT) 4

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN4373

18:45

Ontario, Los Angeles (ONT) 4

19:50

Las Vegas Harry Reid (LAS) 1

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4373

18:45

Ontario, Los Angeles (ONT) 4

19:50

Las Vegas Harry Reid (LAS) 1

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4373

06:00

Tucson (TUS)

09:45

Oakland (OAK) 2

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4373

06:30

Tucson (TUS)

11:15

Portland (PDX)

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4373

16:45

Sacramento (SMF) B

19:50

Las Vegas Harry Reid (LAS) 1

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4373

16:45

Sacramento (SMF) B

19:50

Las Vegas Harry Reid (LAS) 1

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here

This flight number is listed as serving the following routes:

Ontario, Los Angeles (ONT) - Las Vegas Harry Reid (LAS)
Sacramento (SMF) - Las Vegas Harry Reid (LAS)
Sacramento (SMF) - Ontario, Los Angeles (ONT)
San Diego (SAN) - Oakland (OAK)
San Diego (SAN) - Portland (PDX)
Tampa (TPA) - Indianapolis (IND)
Tucson (TUS) - Oakland (OAK)
Tucson (TUS) - Portland (PDX)
Tucson (TUS) - San Diego (SAN)

All Southwest Airlines flights

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