Southwest Airlines flight WN 4504: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:25 Kansas City (MCI) 06:30 Saint Louis (STL) 2
WN 4504 Non-stop Boeing 737-800 (73H) 1:05 Effective 2025-08-07 through 2025-09-29
Sun 06:05 Kansas City (MCI) 07:10 Saint Louis (STL) 2
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Effective 2025-08-10 through 2025-08-24
Sun 06:05 Kansas City (MCI) 07:10 Saint Louis (STL) 2
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Effective 2025-09-07 through 2025-09-28
Tue,Wed 06:15 Kansas City (MCI) 07:20 Saint Louis (STL) 2
WN 4504 Non-stop Boeing 737-800 (73H) 1:05 Effective 2025-08-05 through 2025-10-01
Tue,Wed 06:15 Buffalo (BUF) 07:05 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 06:15 Buffalo (BUF) 07:05 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 06:15 Buffalo (BUF) 07:05 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 06:15 Buffalo (BUF) 07:05 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 06:15 Buffalo (BUF) 07:05 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-12-24 through 2026-01-01
Tue,Wed 08:00 San Jose (SJC) B 09:20 Los Angeles (LAX) 1
WN 4504 Non-stop Boeing 737-800 (73H) 1:20 Effective 2025-06-10 through 2025-07-30
Sun 08:05 Kansas City (MCI) 09:10 Saint Louis (STL) 2
WN 4504 Non-stop Boeing 737-800 (73H) 1:05 Operates only on 2025-08-31
Sat 08:35 Kansas City (MCI) 09:40 Saint Louis (STL) 2
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 08:50 Salt Lake City (SLC) 09:35 Sacramento (SMF) B
WN 4504 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri 12:20 San Jose (SJC) B 13:40 Los Angeles (LAX) 1
WN 4504 Non-stop Boeing 737-800 (73H) 1:20 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 12:20 San Jose (SJC) B 13:40 Los Angeles (LAX) 1
WN 4504 Non-stop Boeing 737-800 (73H) 1:20 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-21 through 2025-11-28
Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-07 through 2025-12-14
Thu 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Operates only on 2025-12-18
Mon 13:20 Phoenix Sky Harbor (PHX) 4 19:20 Buffalo (BUF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Operates only on 2026-01-05
Sun 13:55 Birmingham (BHM) 15:50 Love Field, Dallas (DAL) 1
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Valid until 2025-05-18
Sun 13:55 Birmingham (BHM) 15:50 Love Field, Dallas (DAL) 1
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2025-06-01
Sun 16:30 Love Field, Dallas (DAL) 1 17:45 Midland (MAF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2025-05-18
Sun 16:30 Love Field, Dallas (DAL) 1 17:45 Midland (MAF)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-06-01
Sat 17:05 Phoenix Sky Harbor (PHX) 4 23:05 Buffalo (BUF)
WN 4504 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-11-08 through 2025-11-15
Sat 17:05 Phoenix Sky Harbor (PHX) 4 23:05 Buffalo (BUF)
WN 4504 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri,Sun 20:00 Buffalo (BUF) 20:45 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:00 Buffalo (BUF) 20:45 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:00 Buffalo (BUF) 20:45 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-07 through 2025-12-14
Thu 20:00 Buffalo (BUF) 20:45 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2025-12-18
Mon 20:00 Buffalo (BUF) 20:45 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Operates only on 2026-01-05
Sun 21:05 Buffalo (BUF) 22:00 Midway, Chicago (MDW)
WN 4504 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Operates only on 2025-11-30
Non-Direct Flights:
Mon,Thu,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 20:45 Midway, Chicago (MDW)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 6:25 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 20:45 Midway, Chicago (MDW)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 6:25 Effective 2025-11-21 through 2025-11-28
Fri,Sun 13:20 Phoenix Sky Harbor (PHX) 4 20:45 Midway, Chicago (MDW)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 6:25 Effective 2025-12-07 through 2025-12-14
Thu 13:20 Phoenix Sky Harbor (PHX) 4 20:45 Midway, Chicago (MDW)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 6:25 Operates only on 2025-12-18
Mon 13:20 Phoenix Sky Harbor (PHX) 4 20:45 Midway, Chicago (MDW)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 6:25 Operates only on 2026-01-05
Sun 13:55 Birmingham (BHM) 17:45 Midland (MAF)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 3:50 Valid until 2025-05-18
Sun 13:55 Birmingham (BHM) 17:45 Midland (MAF)
WN 4504 1-stop Boeing 737 MAX 8 (7M8) 3:50 Operates only on 2025-06-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4504: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4504
05:25
Kansas City (MCI)

06:30
Saint Louis (STL) 2
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
06:05
Kansas City (MCI)

07:10
Saint Louis (STL) 2
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
06:05
Kansas City (MCI)

07:10
Saint Louis (STL) 2
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
06:15
Kansas City (MCI)

07:20
Saint Louis (STL) 2
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
06:15
Buffalo (BUF)

07:05
Midway, Chicago (MDW)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
06:15
Buffalo (BUF)

07:05
Midway, Chicago (MDW)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
06:15
Buffalo (BUF)

07:05
Midway, Chicago (MDW)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
06:15
Buffalo (BUF)

07:05
Midway, Chicago (MDW)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
06:15
Buffalo (BUF)

07:05
Midway, Chicago (MDW)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
08:00
San Jose (SJC) B

09:20
Los Angeles (LAX) 1
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
08:05
Kansas City (MCI)

09:10
Saint Louis (STL) 2
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
08:35
Kansas City (MCI)

09:40
Saint Louis (STL) 2
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
08:50
Salt Lake City (SLC)

09:35
Sacramento (SMF) B
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
12:20
San Jose (SJC) B

13:40
Los Angeles (LAX) 1
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
12:20
San Jose (SJC) B

13:40
Los Angeles (LAX) 1
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

19:20
Buffalo (BUF)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

19:20
Buffalo (BUF)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

19:20
Buffalo (BUF)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

19:20
Buffalo (BUF)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

19:20
Buffalo (BUF)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:55
Birmingham (BHM)

15:50
Love Field, Dallas (DAL) 1
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:55
Birmingham (BHM)

15:50
Love Field, Dallas (DAL) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
16:30
Love Field, Dallas (DAL) 1

17:45
Midland (MAF)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
16:30
Love Field, Dallas (DAL) 1

17:45
Midland (MAF)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
17:05
Phoenix Sky Harbor (PHX) 4

23:05
Buffalo (BUF)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
17:05
Phoenix Sky Harbor (PHX) 4

23:05
Buffalo (BUF)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4504
20:00
Buffalo (BUF)

20:45
Midway, Chicago (MDW)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
20:00
Buffalo (BUF)

20:45
Midway, Chicago (MDW)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
20:00
Buffalo (BUF)

20:45
Midway, Chicago (MDW)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
20:00
Buffalo (BUF)

20:45
Midway, Chicago (MDW)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
20:00
Buffalo (BUF)

20:45
Midway, Chicago (MDW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
21:05
Buffalo (BUF)

22:00
Midway, Chicago (MDW)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

20:45
Midway, Chicago (MDW)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

20:45
Midway, Chicago (MDW)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

20:45
Midway, Chicago (MDW)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

20:45
Midway, Chicago (MDW)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:20
Phoenix Sky Harbor (PHX) 4

20:45
Midway, Chicago (MDW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:55
Birmingham (BHM)

17:45
Midland (MAF)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4504
13:55
Birmingham (BHM)

17:45
Midland (MAF)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Birmingham (BHM) - Love Field, Dallas (DAL)
  • Birmingham (BHM) - Midland (MAF)
  • Buffalo (BUF) - Midway, Chicago (MDW)
  • Kansas City (MCI) - Saint Louis (STL)
  • Love Field, Dallas (DAL) - Midland (MAF)
  • Phoenix Sky Harbor (PHX) - Buffalo (BUF)
  • Phoenix Sky Harbor (PHX) - Midway, Chicago (MDW)
  • Salt Lake City (SLC) - Sacramento (SMF)
  • San Jose (SJC) - Los Angeles (LAX)
All Southwest Airlines flights
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