Southwest Airlines flight WN 4099: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Wed 10:25 Kansas City (MCI) 12:00 Nashville (BNA)
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:25 Kansas City (MCI) 12:00 Nashville (BNA)
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-19 through 2026-01-04
Fri 11:15 Oklahoma City (OKC) 15:00 Ronald Reagan Washington (DCA)
WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2025-07-04
Sun 11:20 Denver (DEN) 15:15 Panama City (ECP)
WN 4099 Non-stop Boeing 737-700 (73W) 2:55 Operates only on 2025-05-25
Tue,Wed 11:25 Oklahoma City (OKC) 15:10 Ronald Reagan Washington (DCA)
WN 4099 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 11:30 Oklahoma City (OKC) 15:20 Ronald Reagan Washington (DCA)
WN 4099 Non-stop Boeing 737-700 (73W) 2:50 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 11:30 Oklahoma City (OKC) 15:20 Ronald Reagan Washington (DCA)
WN 4099 Non-stop Boeing 737-700 (73W) 2:50 Effective 2025-07-07 through 2025-08-04
Tue,Wed 11:35 Phoenix Sky Harbor (PHX) 4 12:00 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-04 through 2025-11-12
Mon-Thu 11:35 Phoenix Sky Harbor (PHX) 4 12:00 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-11-17 through 2025-11-20
Mon-Fri 11:35 Phoenix Sky Harbor (PHX) 4 12:00 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-02 through 2025-12-11
Mon-Wed 11:35 Phoenix Sky Harbor (PHX) 4 12:00 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-15 through 2025-12-17
Wed,Thu 11:35 Phoenix Sky Harbor (PHX) 4 12:00 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-12-24 through 2026-01-01
Mon-Wed 12:35 Nashville (BNA) 15:35 Orlando (MCO)
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 12:35 Nashville (BNA) 15:35 Orlando (MCO)
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-12-19 through 2026-01-04
Sat 13:20 Nashville (BNA) 16:15 Orlando (MCO)
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-11-22 through 2025-11-29
Sat 13:20 Nashville (BNA) 16:15 Orlando (MCO)
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-12-20 through 2026-01-03
Sat 15:40 Tampa (TPA) 18:00 Pittsburgh (PIT)
WN 4099 Non-stop Boeing 737-700 (73W) 2:20 Effective 2025-06-07 through 2025-08-02
Sun 17:30 Phoenix Sky Harbor (PHX) 4 17:45 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2025-11-30
Tue,Wed 18:30 Ontario, Los Angeles (ONT) 4 19:40 San Jose (SJC) B
WN 4099 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri,Sun 19:30 Phoenix Sky Harbor (PHX) 4 19:40 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 19:30 Phoenix Sky Harbor (PHX) 4 19:40 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 19:30 Phoenix Sky Harbor (PHX) 4 19:40 Ontario, Los Angeles (ONT) 4
WN 4099 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-12-07 through 2025-12-14
Thu 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 2025-12-18
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
Mon,Thu,Fri 19:55 Ontario, Los Angeles (ONT) 4 21:10 San Jose (SJC) B
WN 4099 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-10-02 through 2025-10-31
Sun 20:35 Ontario, Los Angeles (ONT) 4 21:50 San Jose (SJC) B
WN 4099 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-10-05 through 2025-10-26
Non-Direct Flights:
Mon-Wed 10:25 Kansas City (MCI) 15:35 Orlando (MCO)
WN 4099 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:25 Kansas City (MCI) 15:35 Orlando (MCO)
WN 4099 1-stop Boeing 737-700 (Scimitar Winglets) 4:10 Effective 2025-12-19 through 2026-01-04
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4099: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4099
10:25
Kansas City (MCI)

12:00
Nashville (BNA)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
10:25
Kansas City (MCI)

12:00
Nashville (BNA)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
11:15
Oklahoma City (OKC)

15:00
Ronald Reagan Washington (DCA)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4099
11:20
Denver (DEN)

15:15
Panama City (ECP)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4099
11:25
Oklahoma City (OKC)

15:10
Ronald Reagan Washington (DCA)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4099
11:30
Oklahoma City (OKC)

15:20
Ronald Reagan Washington (DCA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4099
11:30
Oklahoma City (OKC)

15:20
Ronald Reagan Washington (DCA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4099
11:35
Phoenix Sky Harbor (PHX) 4

12:00
Ontario, Los Angeles (ONT) 4
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
11:35
Phoenix Sky Harbor (PHX) 4

12:00
Ontario, Los Angeles (ONT) 4
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
11:35
Phoenix Sky Harbor (PHX) 4

12:00
Ontario, Los Angeles (ONT) 4
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
11:35
Phoenix Sky Harbor (PHX) 4

12:00
Ontario, Los Angeles (ONT) 4
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
11:35
Phoenix Sky Harbor (PHX) 4

12:00
Ontario, Los Angeles (ONT) 4
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
12:35
Nashville (BNA)

15:35
Orlando (MCO)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
12:35
Nashville (BNA)

15:35
Orlando (MCO)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
13:20
Nashville (BNA)

16:15
Orlando (MCO)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
13:20
Nashville (BNA)

16:15
Orlando (MCO)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
15:40
Tampa (TPA)

18:00
Pittsburgh (PIT)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4099
17:30
Phoenix Sky Harbor (PHX) 4

17:45
Ontario, Los Angeles (ONT) 4
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
18:30
Ontario, Los Angeles (ONT) 4

19:40
San Jose (SJC) B
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4099
19:30
Phoenix Sky Harbor (PHX) 4

19:40
Ontario, Los Angeles (ONT) 4
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4099
19:30
Phoenix Sky Harbor (PHX) 4

19:40
Ontario, Los Angeles (ONT) 4
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4099
19:30
Phoenix Sky Harbor (PHX) 4

19:40
Ontario, Los Angeles (ONT) 4
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4099
19:30
Phoenix Sky Harbor (PHX) 4

19:40
Ontario, Los Angeles (ONT) 4
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
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)
Southwest Airlines WN4099
19:55
Ontario, Los Angeles (ONT) 4

21:10
San Jose (SJC) B
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
20:35
Ontario, Los Angeles (ONT) 4

21:50
San Jose (SJC) B
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4099
10:25
Kansas City (MCI)

15:35
Orlando (MCO)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4099
10:25
Kansas City (MCI)

15:35
Orlando (MCO)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:10, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Panama City (ECP)
  • Kansas City (MCI) - Nashville (BNA)
  • Kansas City (MCI) - Orlando (MCO)
  • Nashville (BNA) - Orlando (MCO)
  • Oklahoma City (OKC) - Ronald Reagan Washington (DCA)
  • Ontario, Los Angeles (ONT) - San Jose (SJC)
  • Phoenix Sky Harbor (PHX) - Ontario, Los Angeles (ONT)
  • Tampa (TPA) - Pittsburgh (PIT)
All Southwest Airlines flights
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