Southwest Airlines flight WN 121: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:00 Kansas City (MCI) 06:35 Love Field, Dallas (DAL) 1
WN 121 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-02
Sun 06:10 Kansas City (MCI) 07:45 Love Field, Dallas (DAL) 1
WN 121 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-05-18
Sun 06:10 Kansas City (MCI) 07:45 Love Field, Dallas (DAL) 1
WN 121 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-06-01
Sun 06:30 Baltimore (BWI) 08:00 Manchester (MHT)
WN 121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2025-11-30
Tue,Wed 07:20 Kansas City (MCI) 08:55 Love Field, Dallas (DAL) 1
WN 121 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-04
Tue,Wed 08:05 Phoenix Sky Harbor (PHX) 4 12:15 Oklahoma City (OKC)
WN 121 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-06-10 through 2025-07-02
Tue,Wed 08:05 Phoenix Sky Harbor (PHX) 4 12:15 Oklahoma City (OKC)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-07-08 through 2025-07-30
Sun 08:15 Love Field, Dallas (DAL) 1 09:40 New Orleans (MSY)
WN 121 Non-stop Boeing 737-700 (73W) 1:25 Operates only on 2025-05-25
Sun 08:20 Love Field, Dallas (DAL) 1 09:45 New Orleans (MSY)
WN 121 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2025-05-18
Sun 08:20 Love Field, Dallas (DAL) 1 09:45 New Orleans (MSY)
WN 121 Non-stop Boeing 737-700 (73W) 1:25 Operates only on 2025-06-01
Tue,Wed 09:30 Love Field, Dallas (DAL) 1 10:55 New Orleans (MSY)
WN 121 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2025-06-04
Sun 10:15 New Orleans (MSY) 13:45 Baltimore (BWI)
WN 121 Non-stop Boeing 737-700 (73W) 2:30 Operates only on 2025-05-25
Mon,Thu,Fri 12:20 Phoenix Sky Harbor (PHX) 4 16:25 Oklahoma City (OKC)
WN 121 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 12:20 Phoenix Sky Harbor (PHX) 4 16:25 Oklahoma City (OKC)
WN 121 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-07-07 through 2025-08-04
Sun 12:20 San Antonio (SAT) A 13:15 San Diego (SAN) 1
WN 121 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2025-08-31
Sat 13:00 Orlando (MCO) 14:40 Houston Hobby (HOU)
WN 121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-11-08 through 2025-11-15
Sat 13:00 Orlando (MCO) 14:40 Houston Hobby (HOU)
WN 121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-06 through 2025-12-13
Sat 14:15 Love Field, Dallas (DAL) 1 15:55 Phoenix Sky Harbor (PHX) 4
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-11-22 through 2025-11-29
Sat 14:15 Love Field, Dallas (DAL) 1 15:55 Phoenix Sky Harbor (PHX) 4
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-12-20 through 2026-01-03
Thu 14:35 Phoenix Sky Harbor (PHX) 4 16:20 Portland (PDX)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2025-11-27
Tue,Wed 14:40 Phoenix Sky Harbor (PHX) 4 16:50 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:40 Phoenix Sky Harbor (PHX) 4 16:50 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 14:40 Phoenix Sky Harbor (PHX) 4 16:50 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:40 Phoenix Sky Harbor (PHX) 4 16:50 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:40 Phoenix Sky Harbor (PHX) 4 16:50 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-12-24 through 2026-01-01
Fri 15:00 Phoenix Sky Harbor (PHX) 4 19:05 Oklahoma City (OKC)
WN 121 Non-stop Boeing 737-700 (73W) 2:05 Operates only on 2025-07-04
Sun 15:10 Sacramento (SMF) B 16:35 Santa Ana (SNA)
WN 121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-05 through 2025-10-26
Sat 16:00 Baltimore (BWI) 17:20 Providence (PVD)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Valid until 2025-05-31
Sat 16:35 Phoenix Sky Harbor (PHX) 4 18:45 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-11-22 through 2025-11-29
Sat 16:35 Phoenix Sky Harbor (PHX) 4 18:45 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-12-20 through 2026-01-03
Sat 16:55 Sacramento (SMF) B 18:25 Santa Ana (SNA)
WN 121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-10-04 through 2025-11-01
Tue,Wed 16:55 Baltimore (BWI) 19:00 Denver (DEN)
WN 121 Non-stop Boeing 737-800 (73H) 4:05 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri,Sun 17:20 Phoenix Sky Harbor (PHX) 4 19:30 Boise (BOI)
WN 121 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 17:20 Phoenix Sky Harbor (PHX) 4 19:30 Boise (BOI)
WN 121 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 17:20 Phoenix Sky Harbor (PHX) 4 19:30 Boise (BOI)
WN 121 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-12-07 through 2025-12-14
Thu 17:20 Phoenix Sky Harbor (PHX) 4 19:30 Boise (BOI)
WN 121 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2025-12-18
Mon 17:20 Phoenix Sky Harbor (PHX) 4 19:30 Boise (BOI)
WN 121 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-01-05
Mon-Wed 17:55 Phoenix Sky Harbor (PHX) 4 20:05 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 17:55 Phoenix Sky Harbor (PHX) 4 20:05 Boise (BOI)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri 21:00 Baltimore (BWI) 23:00 Denver (DEN)
WN 121 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-10-02 through 2025-10-31
Non-Direct Flights:
Sun 06:10 Kansas City (MCI) 09:45 New Orleans (MSY)
WN 121 1-stop Boeing 737-700 (73W) 3:35 Valid until 2025-05-18
Sun 06:10 Kansas City (MCI) 09:45 New Orleans (MSY)
WN 121 1-stop Boeing 737-700 (73W) 3:35 Operates only on 2025-06-01
Tue,Wed 07:20 Kansas City (MCI) 10:55 New Orleans (MSY)
WN 121 1-stop Boeing 737-700 (73W) 3:35 Valid until 2025-06-04
Sun 08:15 Love Field, Dallas (DAL) 1 13:45 Baltimore (BWI)
WN 121 1-stop Boeing 737-700 (73W) 4:30 Operates only on 2025-05-25
Sat 14:15 Love Field, Dallas (DAL) 1 18:45 Boise (BOI)
WN 121 1-stop Boeing 737 MAX 8 (7M8) 5:30 Effective 2025-11-22 through 2025-11-29
Sat 14:15 Love Field, Dallas (DAL) 1 18:45 Boise (BOI)
WN 121 1-stop Boeing 737 MAX 8 (7M8) 5:30 Effective 2025-12-20 through 2026-01-03
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 121: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN121
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN121
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Effective 2025-06-10 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Effective 2025-07-08 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN121
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN121
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN121
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN121
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN121
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN121
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN121
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:30, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN121
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:30, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Denver (DEN)
  • Baltimore (BWI) - Manchester (MHT)
  • Baltimore (BWI) - Providence (PVD)
  • Kansas City (MCI) - Love Field, Dallas (DAL)
  • Kansas City (MCI) - New Orleans (MSY)
  • Love Field, Dallas (DAL) - Baltimore (BWI)
  • Love Field, Dallas (DAL) - Boise (BOI)
  • Love Field, Dallas (DAL) - New Orleans (MSY)
  • Love Field, Dallas (DAL) - Phoenix Sky Harbor (PHX)
  • New Orleans (MSY) - Baltimore (BWI)
  • Orlando (MCO) - Houston Hobby (HOU)
  • Phoenix Sky Harbor (PHX) - Boise (BOI)
  • Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
  • Phoenix Sky Harbor (PHX) - Portland (PDX)
  • Sacramento (SMF) - Santa Ana (SNA)
  • San Antonio (SAT) - San Diego (SAN)