Southwest Airlines flight WN 684: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 07:30 San Diego (SAN) 1 10:55 Denver (DEN)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-05 through 2026-04-06
Sun 07:50 San Diego (SAN) 1 11:15 Denver (DEN)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-03-08 through 2026-04-05
Tue,Wed 08:00 Orlando (MCO) 09:50 Raleigh/Durham (RDU) 1
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-06-09 through 2026-07-29
Wed 08:00 Salt Lake City (SLC) 09:00 San Diego (SAN) 1
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-05 through 2026-09-30
Sat 08:05 San Jose (SJC) B 09:25 Los Angeles (LAX) 1
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-02-14 through 2026-02-28
Sat 08:05 Nashville (BNA) 10:55 Tampa (TPA)
WN 684 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-06-06 through 2026-08-01
Tue,Wed 08:15 San Diego (SAN) 1 11:40 Denver (DEN)
WN 684 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-03-10 through 2026-04-01
Sat 08:20 San Diego (SAN) 1 11:50 Denver (DEN)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 08:20 Orlando (MCO) 10:05 Raleigh/Durham (RDU) 1
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 08:30 Baltimore (BWI) 09:45 Islip (ISP)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 08:50 San Jose (SJC) B 10:10 Los Angeles (LAX) 1
WN 684 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 08:50 San Jose (SJC) B 10:10 Los Angeles (LAX) 1
WN 684 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-02-20 through 2026-03-01
Tue,Wed 10:25 Raleigh/Durham (RDU) 1 10:55 Nashville (BNA)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 10:40 Raleigh/Durham (RDU) 1 11:15 Nashville (BNA)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-06-04 through 2026-08-03
Tue 10:40 New Orleans (MSY) 14:10 Ronald Reagan Washington (DCA) 1
WN 684 Non-stop Boeing 737-800 (73H) 2:30 Effective 2026-08-04 through 2026-09-29
Sun 11:10 Nashville (BNA) 14:00 Tampa (TPA)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-06-07 through 2026-08-02
Tue,Wed 11:30 Nashville (BNA) 14:50 Fort Lauderdale (FLL) 1
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 11:50 Nashville (BNA) 14:40 Tampa (TPA)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-06-04 through 2026-08-03
Sun 12:00 Nashville (BNA) 14:35 Detroit (DTW) E
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 12:05 San Jose (SJC) B 13:35 Las Vegas Harry Reid (LAS) 1
WN 684 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-04-09 through 2026-06-01
Sat 12:25 Baltimore (BWI) 14:15 Savannah (SAV)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2026-08-08 through 2026-09-26
Sat 12:40 Las Vegas Harry Reid (LAS) 1 20:15 Baltimore (BWI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Effective 2026-04-11 through 2026-05-30
Tue,Wed 13:55 Las Vegas Harry Reid (LAS) 1 21:30 Baltimore (BWI)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 4:35 Effective 2026-04-07 through 2026-06-03
Wed,Thu 14:10 Baltimore (BWI) 15:20 Islip (ISP)
WN 684 Non-stop Boeing 737-700 (73W) 1:10 Valid until 2026-01-01
Sun 14:10 Las Vegas Harry Reid (LAS) 1 21:45 Baltimore (BWI)
WN 684 Non-stop Boeing 737-800 (73H) 4:35 Effective 2026-04-12 through 2026-05-17
Sun 14:10 Las Vegas Harry Reid (LAS) 1 21:45 Baltimore (BWI)
WN 684 Non-stop Boeing 737-800 (73H) 4:35 Operates only on 2026-05-31
Mon,Thu,Fri 14:15 Las Vegas Harry Reid (LAS) 1 21:50 Baltimore (BWI)
WN 684 Non-stop Boeing 737-800 (73H) 4:35 Effective 2026-04-09 through 2026-06-01
Mon,Tue,Fri,Sun 14:25 Las Vegas Harry Reid (LAS) 1 21:55 Baltimore (BWI)
WN 684 Non-stop Boeing 737-800 (73H) 4:30 Valid until 2026-01-04
Sat 16:50 Phoenix Sky Harbor (PHX) 4 20:15 Kansas City (MCI)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-10 through 2026-01-31
Sat 16:50 Phoenix Sky Harbor (PHX) 4 20:15 Kansas City (MCI)
WN 684 Non-stop Boeing 737-800 (73H) 2:25 Operates only on 2026-02-07
Sun 17:35 Albany (ALB) 19:55 Denver (DEN)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Operates only on 2026-05-24
Mon-Fri 18:35 Phoenix Sky Harbor (PHX) 4 22:00 Kansas City (MCI)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:35 Phoenix Sky Harbor (PHX) 4 22:00 Kansas City (MCI)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:35 Phoenix Sky Harbor (PHX) 4 22:00 Kansas City (MCI)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-26 through 2026-02-04
Sun 18:35 Phoenix Sky Harbor (PHX) 4 22:00 Kansas City (MCI)
WN 684 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2026-02-08
Tue,Wed 18:35 Phoenix Sky Harbor (PHX) 4 22:00 Kansas City (MCI)
WN 684 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-10 through 2026-02-11
Tue,Wed 18:35 Phoenix Sky Harbor (PHX) 4 22:00 Kansas City (MCI)
WN 684 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 18:40 Phoenix Sky Harbor (PHX) 4 22:05 Kansas City (MCI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:40 Phoenix Sky Harbor (PHX) 4 22:05 Kansas City (MCI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 18:40 Phoenix Sky Harbor (PHX) 4 22:05 Kansas City (MCI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 18:40 Phoenix Sky Harbor (PHX) 4 22:05 Kansas City (MCI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 18:40 Phoenix Sky Harbor (PHX) 4 22:05 Kansas City (MCI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-17 through 2026-02-23
Mon 18:40 Phoenix Sky Harbor (PHX) 4 22:05 Kansas City (MCI)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Operates only on 2026-03-02
Mon 22:40 Baltimore (BWI) 23:50 Islip (ISP)
WN 684 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Operates only on 2026-01-05
Mon,Tue,Fri-Sun 22:45 Baltimore (BWI) 23:55 Islip (ISP)
WN 684 Non-stop Boeing 737-800 (73H) 1:10 Valid until 2026-01-04
Non-Direct Flights:
Tue,Wed 08:00 Orlando (MCO) 10:55 Nashville (BNA)
WN 684 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 08:20 Orlando (MCO) 11:15 Nashville (BNA)
WN 684 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-06-04 through 2026-08-03
Tue,Wed 10:25 Raleigh/Durham (RDU) 1 14:50 Fort Lauderdale (FLL) 1
WN 684 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 10:40 Raleigh/Durham (RDU) 1 14:40 Tampa (TPA)
WN 684 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 12:05 San Jose (SJC) B 21:50 Baltimore (BWI)
WN 684 1-stop Boeing 737-800 (73H) 6:45 Effective 2026-04-09 through 2026-06-01
Mon,Tue,Fri,Sun 14:25 Las Vegas Harry Reid (LAS) 1 23:55 Islip (ISP)
WN 684 1-stop Boeing 737-800 (73H) 6:30 Valid until 2026-01-04
Tue,Wed 08:00 Orlando (MCO) 14:50 Fort Lauderdale (FLL) 1
WN 684 2-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 08:20 Orlando (MCO) 14:40 Tampa (TPA)
WN 684 2-stop Boeing 737-700 (Scimitar Winglets) 6:20 Effective 2026-06-04 through 2026-08-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 684: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN684
07:30
San Diego (SAN) 1

10:55
Denver (DEN)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
07:50
San Diego (SAN) 1

11:15
Denver (DEN)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
08:00
Orlando (MCO)

09:50
Raleigh/Durham (RDU) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
08:00
Salt Lake City (SLC)

09:00
San Diego (SAN) 1
Effective 2026-08-05 through 2026-09-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
08:05
San Jose (SJC) B

09:25
Los Angeles (LAX) 1
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
08:05
Nashville (BNA)

10:55
Tampa (TPA)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
08:15
San Diego (SAN) 1

11:40
Denver (DEN)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
08:20
San Diego (SAN) 1

11:50
Denver (DEN)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
08:20
Orlando (MCO)

10:05
Raleigh/Durham (RDU) 1
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
08:30
Baltimore (BWI)

09:45
Islip (ISP)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
08:50
San Jose (SJC) B

10:10
Los Angeles (LAX) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
08:50
San Jose (SJC) B

10:10
Los Angeles (LAX) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
10:25
Raleigh/Durham (RDU) 1

10:55
Nashville (BNA)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
10:40
Raleigh/Durham (RDU) 1

11:15
Nashville (BNA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
10:40
New Orleans (MSY)

14:10
Ronald Reagan Washington (DCA) 1
Effective 2026-08-04 through 2026-09-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
11:10
Nashville (BNA)

14:00
Tampa (TPA)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
11:30
Nashville (BNA)

14:50
Fort Lauderdale (FLL) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
11:50
Nashville (BNA)

14:40
Tampa (TPA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
12:00
Nashville (BNA)

14:35
Detroit (DTW) E
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
12:05
San Jose (SJC) B

13:35
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
12:25
Baltimore (BWI)

14:15
Savannah (SAV)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
12:40
Las Vegas Harry Reid (LAS) 1

20:15
Baltimore (BWI)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
13:55
Las Vegas Harry Reid (LAS) 1

21:30
Baltimore (BWI)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
14:10
Baltimore (BWI)

15:20
Islip (ISP)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN684
14:10
Las Vegas Harry Reid (LAS) 1

21:45
Baltimore (BWI)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
14:10
Las Vegas Harry Reid (LAS) 1

21:45
Baltimore (BWI)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
14:15
Las Vegas Harry Reid (LAS) 1

21:50
Baltimore (BWI)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
14:25
Las Vegas Harry Reid (LAS) 1

21:55
Baltimore (BWI)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
16:50
Phoenix Sky Harbor (PHX) 4

20:15
Kansas City (MCI)
Effective 2026-01-10 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
16:50
Phoenix Sky Harbor (PHX) 4

20:15
Kansas City (MCI)
Operates only on 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
17:35
Albany (ALB)

19:55
Denver (DEN)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
18:35
Phoenix Sky Harbor (PHX) 4

22:00
Kansas City (MCI)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
18:35
Phoenix Sky Harbor (PHX) 4

22:00
Kansas City (MCI)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
18:35
Phoenix Sky Harbor (PHX) 4

22:00
Kansas City (MCI)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
18:35
Phoenix Sky Harbor (PHX) 4

22:00
Kansas City (MCI)
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN684
18:35
Phoenix Sky Harbor (PHX) 4

22:00
Kansas City (MCI)
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
18:35
Phoenix Sky Harbor (PHX) 4

22:00
Kansas City (MCI)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN684
18:40
Phoenix Sky Harbor (PHX) 4

22:05
Kansas City (MCI)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
18:40
Phoenix Sky Harbor (PHX) 4

22:05
Kansas City (MCI)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
18:40
Phoenix Sky Harbor (PHX) 4

22:05
Kansas City (MCI)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
18:40
Phoenix Sky Harbor (PHX) 4

22:05
Kansas City (MCI)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
18:40
Phoenix Sky Harbor (PHX) 4

22:05
Kansas City (MCI)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
18:40
Phoenix Sky Harbor (PHX) 4

22:05
Kansas City (MCI)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
22:40
Baltimore (BWI)

23:50
Islip (ISP)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN684
22:45
Baltimore (BWI)

23:55
Islip (ISP)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN684
08:00
Orlando (MCO)

10:55
Nashville (BNA)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN684
08:20
Orlando (MCO)

11:15
Nashville (BNA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN684
10:25
Raleigh/Durham (RDU) 1

14:50
Fort Lauderdale (FLL) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN684
10:40
Raleigh/Durham (RDU) 1

14:40
Tampa (TPA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN684
12:05
San Jose (SJC) B

21:50
Baltimore (BWI)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN684
14:25
Las Vegas Harry Reid (LAS) 1

23:55
Islip (ISP)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:30, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN684
08:00
Orlando (MCO)

14:50
Fort Lauderdale (FLL) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:50, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN684
08:20
Orlando (MCO)

14:40
Tampa (TPA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:20, 2-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Albany (ALB) - Denver (DEN)
  • Baltimore (BWI) - Islip (ISP)
  • Baltimore (BWI) - Savannah (SAV)
  • Las Vegas Harry Reid (LAS) - Baltimore (BWI)
  • Las Vegas Harry Reid (LAS) - Islip (ISP)
  • Nashville (BNA) - Detroit (DTW)
  • Nashville (BNA) - Fort Lauderdale (FLL)
  • Nashville (BNA) - Tampa (TPA)
  • New Orleans (MSY) - Ronald Reagan Washington (DCA)
  • Orlando (MCO) - Fort Lauderdale (FLL)
  • Orlando (MCO) - Nashville (BNA)
  • Orlando (MCO) - Raleigh/Durham (RDU)
  • Orlando (MCO) - Tampa (TPA)
  • Phoenix Sky Harbor (PHX) - Kansas City (MCI)
  • Raleigh/Durham (RDU) - Fort Lauderdale (FLL)
  • Raleigh/Durham (RDU) - Nashville (BNA)
  • Raleigh/Durham (RDU) - Tampa (TPA)
  • Salt Lake City (SLC) - San Diego (SAN)
  • San Diego (SAN) - Denver (DEN)
  • San Jose (SJC) - Baltimore (BWI)
  • San Jose (SJC) - Las Vegas Harry Reid (LAS)
  • San Jose (SJC) - Los Angeles (LAX)
All Southwest Airlines flights
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