Southwest Airlines flight WN 3673: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:00 Portland (PDX) 06:45 Oakland (OAK) 2 WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-08-06 through 2026-09-28
Sun 07:00 Salt Lake City (SLC) 07:55 San Diego (SAN) 1 WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-08-09 through 2026-09-27
Sun 08:35 San Jose (SJC) B 14:25 Houston Hobby (HOU) WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-06-07 through 2026-08-02
Sat 09:00 Salt Lake City (SLC) 09:50 San Diego (SAN) 1 WN 3673 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-08-08 through 2026-09-26
Mon,Thu,Fri 09:20 San Jose (SJC) B 15:10 Houston Hobby (HOU) WN 3673 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2026-06-04 through 2026-08-03
Sun 14:40 Houston Hobby (HOU) 16:15 Lubbock (LBB) WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 15:55 Ontario, Los Angeles (ONT) 4 17:10 San Jose (SJC) B WN 3673 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 16:00 Omaha (OMA) 17:00 Las Vegas Harry Reid (LAS) 1 WN 3673 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-03-05 through 2026-04-06
Sun 16:05 Ontario, Los Angeles (ONT) 4 17:25 San Jose (SJC) B WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-12 through 2026-05-17
Sun 16:05 Ontario, Los Angeles (ONT) 4 17:25 San Jose (SJC) B WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-05-31
Sun 16:50 Lubbock (LBB) 17:20 Las Vegas Harry Reid (LAS) 1 WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-03-08 through 2026-04-05
Sat 17:05 Las Vegas Harry Reid (LAS) 1 18:50 Sacramento (SMF) B WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 17:40 Sacramento (SMF) B 19:10 San Diego (SAN) 1 WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 17:40 Sacramento (SMF) B 19:10 San Diego (SAN) 1 WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 17:40 Las Vegas Harry Reid (LAS) 1 19:25 Sacramento (SMF) B WN 3673 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-03-05 through 2026-04-06
Sun 18:00 Las Vegas Harry Reid (LAS) 1 19:45 Sacramento (SMF) B WN 3673 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-03-08 through 2026-04-05
Sat 18:05 Sacramento (SMF) B 19:35 San Diego (SAN) 1 WN 3673 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-02-14 through 2026-02-28
Non-Direct Flights:
Sun 14:40 Houston Hobby (HOU) 17:20 Las Vegas Harry Reid (LAS) 1 WN 3673 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 16:00 Omaha (OMA) 19:25 Sacramento (SMF) B WN 3673 1-stop Boeing 737 MAX 8 (7M8) 5:25 Effective 2026-03-05 through 2026-04-06
Sun 16:50 Lubbock (LBB) 19:45 Sacramento (SMF) B WN 3673 1-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2026-03-08 through 2026-04-05
Sun 14:40 Houston Hobby (HOU) 19:45 Sacramento (SMF) B WN 3673 2-stop Boeing 737-700 (Scimitar Winglets) 7:05 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) - Las Vegas Harry Reid (LAS)
Houston Hobby (HOU) - Lubbock (LBB)
Houston Hobby (HOU) - Sacramento (SMF)
Las Vegas Harry Reid (LAS) - Sacramento (SMF)
Lubbock (LBB) - Las Vegas Harry Reid (LAS)
Lubbock (LBB) - Sacramento (SMF)
Omaha (OMA) - Las Vegas Harry Reid (LAS)
Omaha (OMA) - Sacramento (SMF)
Ontario, Los Angeles (ONT) - San Jose (SJC)
Portland (PDX) - Oakland (OAK)
Sacramento (SMF) - San Diego (SAN)
Salt Lake City (SLC) - San Diego (SAN)
San Jose (SJC) - Houston Hobby (HOU)

All Southwest Airlines flights

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Southwest Airlines flight WN 3673: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3673

05:00

Portland (PDX)

06:45

Oakland (OAK) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3673

07:00

Salt Lake City (SLC)

07:55

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3673

08:35

San Jose (SJC) B

14:25

Houston Hobby (HOU)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3673

09:00

Salt Lake City (SLC)

09:50

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3673

09:20

San Jose (SJC) B

15:10

Houston Hobby (HOU)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN3673

14:40

Houston Hobby (HOU)

16:15

Lubbock (LBB)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3673

15:55

Ontario, Los Angeles (ONT) 4

17:10

San Jose (SJC) B

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3673

16:00

Omaha (OMA)

17:00

Las Vegas Harry Reid (LAS) 1

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3673

16:05

Ontario, Los Angeles (ONT) 4

17:25

San Jose (SJC) B

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3673

16:05

Ontario, Los Angeles (ONT) 4

17:25

San Jose (SJC) B

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3673

16:50

Lubbock (LBB)

17:20

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3673

17:05

Las Vegas Harry Reid (LAS) 1

18:50

Sacramento (SMF) B

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3673

17:40

Sacramento (SMF) B

19:10

San Diego (SAN) 1

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3673

17:40

Sacramento (SMF) B

19:10

San Diego (SAN) 1

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3673

17:40

Las Vegas Harry Reid (LAS) 1

19:25

Sacramento (SMF) B

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3673

18:00

Las Vegas Harry Reid (LAS) 1

19:45

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN3673

18:05

Sacramento (SMF) B

19:35

San Diego (SAN) 1

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN3673

14:40

Houston Hobby (HOU)

17:20

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3673

16:00

Omaha (OMA)

19:25

Sacramento (SMF) B

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:25, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN3673

16:50

Lubbock (LBB)

19:45

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:55, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN3673

14:40

Houston Hobby (HOU)

19:45

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 7:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here

This flight number is listed as serving the following routes:

Houston Hobby (HOU) - Las Vegas Harry Reid (LAS)
Houston Hobby (HOU) - Lubbock (LBB)
Houston Hobby (HOU) - Sacramento (SMF)
Las Vegas Harry Reid (LAS) - Sacramento (SMF)
Lubbock (LBB) - Las Vegas Harry Reid (LAS)
Lubbock (LBB) - Sacramento (SMF)
Omaha (OMA) - Las Vegas Harry Reid (LAS)
Omaha (OMA) - Sacramento (SMF)
Ontario, Los Angeles (ONT) - San Jose (SJC)
Portland (PDX) - Oakland (OAK)
Sacramento (SMF) - San Diego (SAN)
Salt Lake City (SLC) - San Diego (SAN)
San Jose (SJC) - Houston Hobby (HOU)

All Southwest Airlines flights

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