Southwest Airlines flight WN 373: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:10 Richmond (RIC) 07:05 Baltimore (BWI)
WN 373 Non-stop Boeing 737 MAX 8 (7M8) 0:55 Effective 2025-08-07 through 2025-09-29
Tue,Wed 06:40 San Antonio (SAT) A 07:10 El Paso (ELP)
WN 373 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-06-10 through 2025-07-30
Sun 08:50 Phoenix Sky Harbor (PHX) 4 14:15 Midway, Chicago (MDW)
WN 373 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Operates only on 2025-08-31
Sun 09:00 Sacramento (SMF) B 10:15 Santa Barbara (SBA)
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-10-05 through 2025-10-26
Sun 09:10 Phoenix Sky Harbor (PHX) 4 14:35 Midway, Chicago (MDW)
WN 373 Non-stop Boeing 737-800 (73H) 3:25 Effective 2025-08-10 through 2025-08-24
Sun 09:10 Phoenix Sky Harbor (PHX) 4 14:35 Midway, Chicago (MDW)
WN 373 Non-stop Boeing 737-800 (73H) 3:25 Effective 2025-09-07 through 2025-09-28
Sun 11:05 Santa Barbara (SBA) 12:25 Las Vegas Harry Reid (LAS) 1
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-05 through 2025-10-26
Sat 11:15 Phoenix Sky Harbor (PHX) 4 16:30 Midway, Chicago (MDW)
WN 373 Non-stop Boeing 737-800 (73H) 3:15 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 11:15 Santa Barbara (SBA) 12:35 Las Vegas Harry Reid (LAS) 1
WN 373 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-10-02 through 2025-10-31
Sat 11:45 Fort Lauderdale (FLL) 1 13:50 Midway, Chicago (MDW)
WN 373 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-10-04 through 2025-11-01
Sun 12:25 San Antonio (SAT) A 12:55 El Paso (ELP)
WN 373 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-06-08 through 2025-08-03
Tue,Wed 13:05 Nashville (BNA) 15:45 Richmond (RIC)
WN 373 Non-stop Boeing 737-700 (73W) 1:40 Effective 2025-08-05 through 2025-10-01
Sat 14:25 Raleigh/Durham (RDU) 1 15:55 Atlanta (ATL) N
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-22 through 2025-11-29
Sat 14:25 Raleigh/Durham (RDU) 1 15:55 Atlanta (ATL) N
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-20 through 2026-01-03
Thu 15:15 Las Vegas Harry Reid (LAS) 1 19:40 Wichita (ICT)
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2025-11-27
Mon-Wed 16:10 Raleigh/Durham (RDU) 1 17:40 Atlanta (ATL) N
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:10 Raleigh/Durham (RDU) 1 17:40 Atlanta (ATL) N
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-19 through 2026-01-04
Tue,Wed 16:20 Richmond (RIC) 17:15 Baltimore (BWI)
WN 373 Non-stop Boeing 737-700 (73W) 0:55 Effective 2025-08-05 through 2025-10-01
Tue,Wed 17:25 Sacramento (SMF) B 18:55 Santa Ana (SNA)
WN 373 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-06-04
Sat 17:30 Midway, Chicago (MDW) 21:25 Fort Lauderdale (FLL) 1
WN 373 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-08-09 through 2025-09-27
Sun 17:50 Sacramento (SMF) B 19:20 Santa Ana (SNA)
WN 373 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-05-25
Sat 18:00 Atlanta (ATL) N 19:20 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-08 through 2025-11-15
Sat 18:00 Atlanta (ATL) N 19:20 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-06 through 2025-12-13
Tue,Wed 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-17 through 2025-11-20
Mon-Wed 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-25 through 2025-12-01
Mon-Fri 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-15 through 2025-12-17
Mon,Tue,Fri,Sun 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-12-19 through 2026-01-04
Wed,Thu 18:15 Atlanta (ATL) N 19:35 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 18:25 Atlanta (ATL) N 19:45 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 18:25 Atlanta (ATL) N 19:45 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-21 through 2025-11-28
Sun 18:25 Atlanta (ATL) N 19:45 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-11-30
Fri,Sun 18:25 Atlanta (ATL) N 19:45 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-07 through 2025-12-14
Thu 18:25 Atlanta (ATL) N 19:45 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2025-12-18
Mon 18:25 Atlanta (ATL) N 19:45 Houston Hobby (HOU)
WN 373 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-01-05
Sun 18:30 Sacramento (SMF) B 20:00 Santa Ana (SNA)
WN 373 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-05-18
Sun 18:30 Sacramento (SMF) B 20:00 Santa Ana (SNA)
WN 373 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-06-01
Sat 19:15 Sacramento (SMF) B 20:45 Santa Ana (SNA)
WN 373 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-05-31
Tue,Wed 19:45 Fort Lauderdale (FLL) 1 21:50 Midway, Chicago (MDW)
WN 373 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 20:35 Sacramento (SMF) B 22:10 Santa Ana (SNA)
WN 373 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-02
Non-Direct Flights:
Sun 09:00 Sacramento (SMF) B 12:25 Las Vegas Harry Reid (LAS) 1
WN 373 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2025-10-05 through 2025-10-26
Sat 11:15 Phoenix Sky Harbor (PHX) 4 21:25 Fort Lauderdale (FLL) 1
WN 373 1-stop Boeing 737-800 (73H) 7:10 Effective 2025-08-09 through 2025-09-27
Tue,Wed 13:05 Nashville (BNA) 17:15 Baltimore (BWI)
WN 373 1-stop Boeing 737-700 (73W) 3:10 Effective 2025-08-05 through 2025-10-01
Mon-Wed 16:10 Raleigh/Durham (RDU) 1 19:35 Houston Hobby (HOU)
WN 373 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:10 Raleigh/Durham (RDU) 1 19:35 Houston Hobby (HOU)
WN 373 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-12-19 through 2026-01-04
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 373: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN373
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN373
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN373
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN373
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN373
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN373
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN373
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:10, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN373
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN373
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN373
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Houston Hobby (HOU)
  • Las Vegas Harry Reid (LAS) - Wichita (ICT)
  • Midway, Chicago (MDW) - Fort Lauderdale (FLL)
  • Nashville (BNA) - Baltimore (BWI)
  • Nashville (BNA) - Richmond (RIC)
  • Phoenix Sky Harbor (PHX) - Fort Lauderdale (FLL)
  • Phoenix Sky Harbor (PHX) - Midway, Chicago (MDW)
  • Raleigh/Durham (RDU) - Atlanta (ATL)
  • Raleigh/Durham (RDU) - Houston Hobby (HOU)
  • Richmond (RIC) - Baltimore (BWI)
  • Sacramento (SMF) - Las Vegas Harry Reid (LAS)
  • Sacramento (SMF) - Santa Ana (SNA)
  • Sacramento (SMF) - Santa Barbara (SBA)
  • San Antonio (SAT) - El Paso (ELP)
  • Santa Barbara (SBA) - Las Vegas Harry Reid (LAS)