Southwest Airlines flight WN 623: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:30 Dallas Love Field (DAL) 1 07:25 Austin (AUS)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 0:55 Effective 2026-08-06 through 2026-09-28
Sat 08:15 Houston Hobby (HOU) 10:20 Salt Lake City (SLC)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-08-08 through 2026-09-26
Mon-Fri 08:25 Saint Louis (STL) 2 10:15 New Orleans (MSY)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-03-05 through 2026-04-06
Sun 08:25 Houston Hobby (HOU) 10:30 Salt Lake City (SLC)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-08-09 through 2026-09-27
Sat,Sun 08:30 Saint Louis (STL) 2 10:20 New Orleans (MSY)
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-03-07 through 2026-04-05
Sat 10:00 Nashville (BNA) 13:05 Philadelphia (PHL) E
WN 623 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-06-06 through 2026-08-01
Tue,Wed 10:05 Nashville (BNA) 13:10 Philadelphia (PHL) E
WN 623 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 10:15 Nashville (BNA) 13:20 Philadelphia (PHL) E
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-06-04 through 2026-08-03
Wed,Thu 10:25 Santa Ana (SNA) 11:50 San Jose (SJC) B
WN 623 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2026-01-01
Wed,Thu 12:25 San Jose (SJC) B 15:55 Denver (DEN)
WN 623 Non-stop Boeing 737-700 (73W) 2:30 Valid until 2026-01-01
Mon 13:50 San Jose (SJC) B 17:20 Denver (DEN)
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Operates only on 2026-01-05
Mon,Thu,Fri 14:15 Nashville (BNA) 15:35 Panama City (ECP)
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-09 through 2026-06-01
Sat 14:25 Nashville (BNA) 15:45 Panama City (ECP)
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-11 through 2026-05-30
Sat 15:35 Nashville (BNA) 18:40 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 16:10 Panama City (ECP) 18:20 Dallas Love Field (DAL) 1
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-04-09 through 2026-06-01
Sat 16:20 Panama City (ECP) 18:30 Dallas Love Field (DAL) 1
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-04-11 through 2026-05-30
Sun 17:00 Panama City (ECP) 19:10 Dallas Love Field (DAL) 1
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-04-12 through 2026-05-17
Sun 17:00 Panama City (ECP) 19:10 Dallas Love Field (DAL) 1
WN 623 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Operates only on 2026-05-31
Tue,Wed 17:05 Panama City (ECP) 19:10 Dallas Love Field (DAL) 1
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-04-07 through 2026-06-03
Mon-Fri 17:35 Raleigh/Durham (RDU) 1 18:55 Saint Louis (STL) 2
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 17:35 Raleigh/Durham (RDU) 1 18:55 Saint Louis (STL) 2
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-18 through 2026-01-23
Mon-Fri 17:35 Raleigh/Durham (RDU) 1 18:55 Saint Louis (STL) 2
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 17:35 Raleigh/Durham (RDU) 1 18:55 Saint Louis (STL) 2
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-08 through 2026-02-11
Tue,Wed 17:35 Raleigh/Durham (RDU) 1 18:55 Saint Louis (STL) 2
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-18 through 2026-03-04
Mon,Tue,Fri,Sun 18:05 Denver (DEN) 23:05 Pittsburgh (PIT)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-04
Sat 18:25 Nashville (BNA) 21:35 Fort Myers (RSW)
WN 623 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 19:25 Nashville (BNA) 22:35 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 19:25 Nashville (BNA) 22:35 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-15 through 2026-02-19
Mon 19:25 Nashville (BNA) 22:35 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-23 through 2026-03-02
Thu,Fri,Sun 19:30 Nashville (BNA) 22:40 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 19:30 Nashville (BNA) 22:40 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-19 through 2026-01-25
Sun 19:30 Nashville (BNA) 22:40 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-02-01
Sat 20:00 Denver (DEN) 00:50 Pittsburgh (PIT)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2026-01-03
The flight arrives 1 day after departure.
Mon,Thu,Fri 20:05 Nashville (BNA) 23:10 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:05 Nashville (BNA) 23:10 Fort Myers (RSW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-02-20 through 2026-03-01
Tue,Wed 20:35 Houston Hobby (HOU) 22:30 Kansas City (MCI)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-08-04 through 2026-09-30
Sun 22:55 San Jose (SJC) B 05:00 Chicago Midway (MDW)
WN 623 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-06-07 through 2026-08-02
The flight arrives 1 day after departure.
Non-Direct Flights:
Wed,Thu 10:25 Santa Ana (SNA) 15:55 Denver (DEN)
WN 623 1-stop Boeing 737-700 (73W) 4:30 Valid until 2026-01-01
Mon,Thu,Fri 14:15 Nashville (BNA) 18:20 Dallas Love Field (DAL) 1
WN 623 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-04-09 through 2026-06-01
Sat 14:25 Nashville (BNA) 18:30 Dallas Love Field (DAL) 1
WN 623 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-04-11 through 2026-05-30
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 623: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN623
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-03-05 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-03-07 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN623
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN623
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
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 WN623
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN623
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN623
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Operates only on 2026-02-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
20:00

00:50(+1)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN623
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN623
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:30, 1-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN623
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN623
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Dallas Love Field (DAL) - Austin (AUS)
  • Denver (DEN) - Pittsburgh (PIT)
  • Houston Hobby (HOU) - Kansas City (MCI)
  • Houston Hobby (HOU) - Salt Lake City (SLC)
  • Nashville (BNA) - Dallas Love Field (DAL)
  • Nashville (BNA) - Fort Myers (RSW)
  • Nashville (BNA) - Panama City (ECP)
  • Nashville (BNA) - Philadelphia (PHL)
  • Panama City (ECP) - Dallas Love Field (DAL)
  • Raleigh/Durham (RDU) - Saint Louis (STL)
  • Saint Louis (STL) - New Orleans (MSY)
  • San Jose (SJC) - Chicago Midway (MDW)
  • San Jose (SJC) - Denver (DEN)
  • Santa Ana (SNA) - Denver (DEN)
  • Santa Ana (SNA) - San Jose (SJC)