Southwest Airlines flight WN 4135: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 05:05 Ontario, Los Angeles (ONT) 4 06:30 Oakland (OAK) 2 WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-03-07 through 2026-04-04
Sun 05:40 Ontario, Los Angeles (ONT) 4 07:05 Oakland (OAK) 2 WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-03-08 through 2026-04-05
Tue,Wed 05:45 Ontario, Los Angeles (ONT) 4 07:10 Oakland (OAK) 2 WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 06:00 Ontario, Los Angeles (ONT) 4 07:25 Oakland (OAK) 2 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-03-05 through 2026-04-06
Sun 06:30 San Diego (SAN) 1 09:00 Phoenix Sky Harbor (PHX) 4 WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-01-04
Mon,Thu,Fri 07:20 Tucson (TUS) 07:45 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 07:20 Tucson (TUS) 07:45 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 07:25 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 07:25 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 07:25 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 07:25 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 07:25 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-17 through 2026-02-23
Mon 07:25 Tucson (TUS) 07:50 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-03-02
Sat 07:30 Tucson (TUS) 07:55 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-14 through 2026-02-28
Sat 07:40 Tucson (TUS) 08:05 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-01-10 through 2026-02-07
Mon-Fri 09:00 Tucson (TUS) 09:30 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 09:00 Tucson (TUS) 09:30 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-18 through 2026-01-23
Mon-Fri 09:00 Tucson (TUS) 09:30 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 09:00 Tucson (TUS) 09:30 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-08 through 2026-02-11
Tue,Wed 09:00 Tucson (TUS) 09:30 San Diego (SAN) 1 WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-18 through 2026-03-04
Sun 09:45 Las Vegas Harry Reid (LAS) 1 17:00 Pittsburgh (PIT) WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-08-09 through 2026-09-27
Sun 16:25 Denver (DEN) 20:55 Indianapolis (IND) WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-06-07 through 2026-08-02
Sat 18:55 Pittsburgh (PIT) 21:15 Orlando (MCO) WN 4135 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-06-06 through 2026-08-01
Tue,Wed 19:45 Nashville (BNA) 22:20 Pittsburgh (PIT) WN 4135 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-06-09 through 2026-07-29
Sun 20:45 San Diego (SAN) 1 22:25 Sacramento (SMF) B WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-04-12 through 2026-05-17
Sun 20:45 San Diego (SAN) 1 22:25 Sacramento (SMF) B WN 4135 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Operates only on 2026-05-31
Mon-Fri 21:00 San Diego (SAN) 1 22:40 Sacramento (SMF) B WN 4135 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-04-07 through 2026-06-03

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Parallax here

This flight number is listed as serving the following routes:

Denver (DEN) - Indianapolis (IND)
Las Vegas Harry Reid (LAS) - Pittsburgh (PIT)
Nashville (BNA) - Pittsburgh (PIT)
Ontario, Los Angeles (ONT) - Oakland (OAK)
Pittsburgh (PIT) - Orlando (MCO)
San Diego (SAN) - Phoenix Sky Harbor (PHX)
San Diego (SAN) - Sacramento (SMF)
Tucson (TUS) - San Diego (SAN)

All Southwest Airlines flights

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Southwest Airlines flight WN 4135: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4135

05:05

Ontario, Los Angeles (ONT) 4

06:30

Oakland (OAK) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

05:40

Ontario, Los Angeles (ONT) 4

07:05

Oakland (OAK) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

05:45

Ontario, Los Angeles (ONT) 4

07:10

Oakland (OAK) 2

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

06:00

Ontario, Los Angeles (ONT) 4

07:25

Oakland (OAK) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

06:30

San Diego (SAN) 1

09:00

Phoenix Sky Harbor (PHX) 4

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

07:20

Tucson (TUS)

07:45

San Diego (SAN) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

07:20

Tucson (TUS)

07:45

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

07:25

Tucson (TUS)

07:50

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

07:25

Tucson (TUS)

07:50

San Diego (SAN) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

07:25

Tucson (TUS)

07:50

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

07:25

Tucson (TUS)

07:50

San Diego (SAN) 1

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

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

07:25

Tucson (TUS)

07:50

San Diego (SAN) 1

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

07:25

Tucson (TUS)

07:50

San Diego (SAN) 1

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

07:30

Tucson (TUS)

07:55

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

07:40

Tucson (TUS)

08:05

San Diego (SAN) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

09:00

Tucson (TUS)

09:30

San Diego (SAN) 1

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

09:00

Tucson (TUS)

09:30

San Diego (SAN) 1

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

09:00

Tucson (TUS)

09:30

San Diego (SAN) 1

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

09:00

Tucson (TUS)

09:30

San Diego (SAN) 1

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

09:00

Tucson (TUS)

09:30

San Diego (SAN) 1

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

09:45

Las Vegas Harry Reid (LAS) 1

17:00

Pittsburgh (PIT)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4135

16:25

Denver (DEN)

20:55

Indianapolis (IND)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4135

18:55

Pittsburgh (PIT)

21:15

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

19:45

Nashville (BNA)

22:20

Pittsburgh (PIT)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4135

20:45

San Diego (SAN) 1

22:25

Sacramento (SMF) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4135

20:45

San Diego (SAN) 1

22:25

Sacramento (SMF) B

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4135

21:00

San Diego (SAN) 1

22:40

Sacramento (SMF) B

Effective 2026-04-07 through 2026-06-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:40, non-stop
Boeing 737-800 (73H)

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Parallax here

This flight number is listed as serving the following routes:

Denver (DEN) - Indianapolis (IND)
Las Vegas Harry Reid (LAS) - Pittsburgh (PIT)
Nashville (BNA) - Pittsburgh (PIT)
Ontario, Los Angeles (ONT) - Oakland (OAK)
Pittsburgh (PIT) - Orlando (MCO)
San Diego (SAN) - Phoenix Sky Harbor (PHX)
San Diego (SAN) - Sacramento (SMF)
Tucson (TUS) - San Diego (SAN)

All Southwest Airlines flights

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