Southwest Airlines flight WN 4099: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:00 Sacramento (SMF) B 06:30 Portland (PDX) WN 4099 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-06-04 through 2026-08-03
Tue,Wed 05:40 Sacramento (SMF) B 07:10 Portland (PDX) WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 07:10 Portland (PDX) 10:45 Denver (DEN) WN 4099 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-06-04 through 2026-08-03
Sat 09:05 Tampa (TPA) 11:25 Baltimore (BWI) WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-14 through 2026-02-28
Fri,Sun 10:25 Kansas City (MCI) 12:00 Nashville (BNA) WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-01-02 through 2026-01-04
Wed,Thu 11:35 Phoenix Sky Harbor (PHX) 4 12:00 Ontario, Los Angeles (ONT) 4 WN 4099 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2026-01-01
Sat 12:05 Baltimore (BWI) 14:35 Las Vegas Harry Reid (LAS) 1 WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 5:30 Effective 2026-02-14 through 2026-02-28
Fri,Sun 12:35 Nashville (BNA) 15:35 Orlando (MCO) WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-01-02 through 2026-01-04
Mon,Thu,Fri 12:35 Saint Louis (STL) 2 14:20 Las Vegas Harry Reid (LAS) 1 WN 4099 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:35 Saint Louis (STL) 2 14:20 Las Vegas Harry Reid (LAS) 1 WN 4099 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-20 through 2026-03-01
Sat 13:20 Nashville (BNA) 16:15 Orlando (MCO) WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Operates only on 2026-01-03
Mon,Thu,Fri 15:00 Las Vegas Harry Reid (LAS) 1 17:25 Salt Lake City (SLC) WN 4099 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 15:00 Las Vegas Harry Reid (LAS) 1 17:25 Salt Lake City (SLC) WN 4099 Non-stop Boeing 737-800 (73H) 1:25 Effective 2026-02-20 through 2026-03-01
Sat 15:15 Las Vegas Harry Reid (LAS) 1 17:40 Salt Lake City (SLC) WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-02-14 through 2026-02-28
Sun 16:30 Indianapolis (IND) 18:10 Baltimore (BWI) WN 4099 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-08-09 through 2026-09-27
Tue,Wed 17:10 Indianapolis (IND) 18:50 Baltimore (BWI) WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2026-08-04 through 2026-09-30
Mon 19:30 Phoenix Sky Harbor (PHX) 4 19:40 Ontario, Los Angeles (ONT) 4 WN 4099 Non-stop Boeing 737-800 (73H) 1:10 Operates only on 2026-01-05
Non-Direct Flights:
Mon,Thu,Fri 05:00 Sacramento (SMF) B 10:45 Denver (DEN) WN 4099 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-06-04 through 2026-08-03
Sat 09:05 Tampa (TPA) 14:35 Las Vegas Harry Reid (LAS) 1 WN 4099 1-stop Boeing 737 MAX 8 (7M8) 8:30 Effective 2026-02-14 through 2026-02-28
Fri,Sun 10:25 Kansas City (MCI) 15:35 Orlando (MCO) WN 4099 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2026-01-02 through 2026-01-04
Sat 12:05 Baltimore (BWI) 17:40 Salt Lake City (SLC) WN 4099 1-stop Boeing 737 MAX 8 (7M8) 7:35 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 12:35 Saint Louis (STL) 2 17:25 Salt Lake City (SLC) WN 4099 1-stop Boeing 737-800 (73H) 5:50 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:35 Saint Louis (STL) 2 17:25 Salt Lake City (SLC) WN 4099 1-stop Boeing 737-800 (73H) 5:50 Effective 2026-02-20 through 2026-03-01
Sat 09:05 Tampa (TPA) 17:40 Salt Lake City (SLC) WN 4099 2-stop Boeing 737 MAX 8 (7M8) 10:35 Effective 2026-02-14 through 2026-02-28

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This flight number is listed as serving the following routes:

Baltimore (BWI) - Las Vegas Harry Reid (LAS)
Baltimore (BWI) - Salt Lake City (SLC)
Indianapolis (IND) - Baltimore (BWI)
Kansas City (MCI) - Nashville (BNA)
Kansas City (MCI) - Orlando (MCO)
Las Vegas Harry Reid (LAS) - Salt Lake City (SLC)
Nashville (BNA) - Orlando (MCO)
Phoenix Sky Harbor (PHX) - Ontario, Los Angeles (ONT)
Portland (PDX) - Denver (DEN)
Sacramento (SMF) - Denver (DEN)
Sacramento (SMF) - Portland (PDX)
Saint Louis (STL) - Las Vegas Harry Reid (LAS)
Saint Louis (STL) - Salt Lake City (SLC)
Tampa (TPA) - Baltimore (BWI)
Tampa (TPA) - Las Vegas Harry Reid (LAS)
Tampa (TPA) - Salt Lake City (SLC)

All Southwest Airlines flights

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Southwest Airlines flight WN 4099: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4099

05:00

Sacramento (SMF) B

06:30

Portland (PDX)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4099

05:40

Sacramento (SMF) B

07:10

Portland (PDX)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4099

07:10

Portland (PDX)

10:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4099

09:05

Tampa (TPA)

11:25

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4099

10:25

Kansas City (MCI)

12:00

Nashville (BNA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4099

11:35

Phoenix Sky Harbor (PHX) 4

12:00

Ontario, Los Angeles (ONT) 4

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN4099

12:05

Baltimore (BWI)

14:35

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN4099

12:35

Nashville (BNA)

15:35

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4099

12:35

Saint Louis (STL) 2

14:20

Las Vegas Harry Reid (LAS) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4099

12:35

Saint Louis (STL) 2

14:20

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4099

13:20

Nashville (BNA)

16:15

Orlando (MCO)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4099

15:00

Las Vegas Harry Reid (LAS) 1

17:25

Salt Lake City (SLC)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4099

15:00

Las Vegas Harry Reid (LAS) 1

17:25

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4099

15:15

Las Vegas Harry Reid (LAS) 1

17:40

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4099

16:30

Indianapolis (IND)

18:10

Baltimore (BWI)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4099

17:10

Indianapolis (IND)

18:50

Baltimore (BWI)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4099

19:30

Phoenix Sky Harbor (PHX) 4

19:40

Ontario, Los Angeles (ONT) 4

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:10, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4099

05:00

Sacramento (SMF) B

10:45

Denver (DEN)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:45, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4099

09:05

Tampa (TPA)

14:35

Las Vegas Harry Reid (LAS) 1

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Non-Direct Flights:

Southwest Airlines WN4099

10:25

Kansas City (MCI)

15:35

Orlando (MCO)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

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

Non-Direct Flights:

Southwest Airlines WN4099

12:05

Baltimore (BWI)

17:40

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 7:35, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN4099

12:35

Saint Louis (STL) 2

17:25

Salt Lake City (SLC)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:50, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4099

12:35

Saint Louis (STL) 2

17:25

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:50, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN4099

09:05

Tampa (TPA)

17:40

Salt Lake City (SLC)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 10:35, 2-stop
Boeing 737 MAX 8 (7M8)

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Parallax here

This flight number is listed as serving the following routes:

Baltimore (BWI) - Las Vegas Harry Reid (LAS)
Baltimore (BWI) - Salt Lake City (SLC)
Indianapolis (IND) - Baltimore (BWI)
Kansas City (MCI) - Nashville (BNA)
Kansas City (MCI) - Orlando (MCO)
Las Vegas Harry Reid (LAS) - Salt Lake City (SLC)
Nashville (BNA) - Orlando (MCO)
Phoenix Sky Harbor (PHX) - Ontario, Los Angeles (ONT)
Portland (PDX) - Denver (DEN)
Sacramento (SMF) - Denver (DEN)
Sacramento (SMF) - Portland (PDX)
Saint Louis (STL) - Las Vegas Harry Reid (LAS)
Saint Louis (STL) - Salt Lake City (SLC)
Tampa (TPA) - Baltimore (BWI)
Tampa (TPA) - Las Vegas Harry Reid (LAS)
Tampa (TPA) - Salt Lake City (SLC)

All Southwest Airlines flights

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