Southwest Airlines flight WN 2556: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 05:55 Pittsburgh (PIT) 06:35 Nashville (BNA)
WN 2556 Non-stop Boeing 737-700 (73W) 1:40 Effective 2025-06-08 through 2025-08-03
Tue,Wed 05:55 Pittsburgh (PIT) 06:35 Nashville (BNA)
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 06:00 Pittsburgh (PIT) 06:40 Nashville (BNA)
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-06-05 through 2025-07-03
Sat 06:00 Pittsburgh (PIT) 06:40 Nashville (BNA)
WN 2556 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 06:00 Pittsburgh (PIT) 06:40 Nashville (BNA)
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-07-07 through 2025-08-04
Fri 06:30 Pittsburgh (PIT) 07:05 Nashville (BNA)
WN 2556 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-07-04
Sat 09:25 Saint Louis (STL) 2 10:40 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-08 through 2025-11-15
Sat 09:25 Saint Louis (STL) 2 10:40 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-06 through 2025-12-13
Sat 09:30 Phoenix Sky Harbor (PHX) 4 16:35 Tampa (TPA)
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri,Sun 09:50 Saint Louis (STL) 2 11:05 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 09:50 Saint Louis (STL) 2 11:05 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 09:50 Saint Louis (STL) 2 11:05 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-07 through 2025-12-14
Thu 09:50 Saint Louis (STL) 2 11:05 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2025-12-18
Mon 09:50 Saint Louis (STL) 2 11:05 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-05
Mon-Fri 10:45 New York LaGuardia (LGA) B 13:30 Love Field, Dallas (DAL) 1
WN 2556 Non-stop Boeing 737-800 (73H) 3:45 Valid until 2025-06-04
Sun 10:45 New York LaGuardia (LGA) B 13:30 Love Field, Dallas (DAL) 1
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Valid until 2025-05-18
Sun 10:45 New York LaGuardia (LGA) B 13:30 Love Field, Dallas (DAL) 1
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2025-06-01
Sun 10:50 New York LaGuardia (LGA) B 13:40 Love Field, Dallas (DAL) 1
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Operates only on 2025-05-25
Sun 10:55 Milwaukee (MKE) 13:20 San Diego (SAN) 1
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Operates only on 2025-11-30
Sat 11:15 Milwaukee (MKE) 14:55 Orlando (MCO)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-11-08 through 2025-11-15
Sat 11:15 Milwaukee (MKE) 14:55 Orlando (MCO)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri,Sun 11:40 Milwaukee (MKE) 14:05 San Diego (SAN) 1
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 11:40 Milwaukee (MKE) 14:05 San Diego (SAN) 1
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-11-21 through 2025-11-28
Fri,Sun 11:40 Milwaukee (MKE) 14:05 San Diego (SAN) 1
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-12-07 through 2025-12-14
Thu 11:40 Milwaukee (MKE) 14:05 San Diego (SAN) 1
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Operates only on 2025-12-18
Mon 11:40 Milwaukee (MKE) 14:05 San Diego (SAN) 1
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 4:25 Operates only on 2026-01-05
Tue,Wed,Sat 12:15 New Orleans (MSY) 14:30 Midway, Chicago (MDW)
WN 2556 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-11-22 through 2025-11-29
Mon 12:15 New Orleans (MSY) 14:30 Midway, Chicago (MDW)
WN 2556 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2025-12-01
Mon,Tue,Fri-Sun 12:15 New Orleans (MSY) 14:30 Midway, Chicago (MDW)
WN 2556 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-12-19 through 2026-01-04
Thu 12:40 San Diego (SAN) 1 17:35 Austin (AUS)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Operates only on 2025-11-27
Tue,Wed 13:20 Phoenix Sky Harbor (PHX) 4 20:20 Tampa (TPA)
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 14:50 Phoenix Sky Harbor (PHX) 4 21:50 Tampa (TPA)
WN 2556 Non-stop Boeing 737-700 (73W) 4:00 Effective 2025-08-07 through 2025-09-29
Sat 15:50 Pittsburgh (PIT) 16:55 Baltimore (BWI)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-10-04 through 2025-11-01
Tue,Wed 16:25 Pittsburgh (PIT) 17:30 Baltimore (BWI)
WN 2556 Non-stop Boeing 737-800 (73H) 1:05 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 18:00 Pittsburgh (PIT) 19:05 Baltimore (BWI)
WN 2556 Non-stop Boeing 737 MAX 8 (7M8) 1:05 Effective 2025-10-02 through 2025-10-31
Sun 18:05 Pittsburgh (PIT) 19:15 Baltimore (BWI)
WN 2556 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-10-05 through 2025-10-26
Sun 18:15 Phoenix Sky Harbor (PHX) 4 01:15 Tampa (TPA)
WN 2556 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-08-10 through 2025-08-24
The flight arrives 1 day after departure.
Sun 18:15 Phoenix Sky Harbor (PHX) 4 01:15 Tampa (TPA)
WN 2556 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-09-07 through 2025-09-28
The flight arrives 1 day after departure.
Tue,Wed 20:15 Saint Louis (STL) 2 21:30 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 20:15 Saint Louis (STL) 2 21:30 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-17 through 2025-11-20
Mon-Fri 20:15 Saint Louis (STL) 2 21:30 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-02 through 2025-12-11
Mon-Wed 20:15 Saint Louis (STL) 2 21:30 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 20:15 Saint Louis (STL) 2 21:30 Milwaukee (MKE)
WN 2556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-24 through 2026-01-01
Non-Direct Flights:
Sat 09:25 Saint Louis (STL) 2 14:55 Orlando (MCO)
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2025-11-08 through 2025-11-15
Sat 09:25 Saint Louis (STL) 2 14:55 Orlando (MCO)
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 4:30 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri,Sun 09:50 Saint Louis (STL) 2 14:05 San Diego (SAN) 1
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 6:15 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 09:50 Saint Louis (STL) 2 14:05 San Diego (SAN) 1
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 6:15 Effective 2025-11-21 through 2025-11-28
Fri,Sun 09:50 Saint Louis (STL) 2 14:05 San Diego (SAN) 1
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 6:15 Effective 2025-12-07 through 2025-12-14
Thu 09:50 Saint Louis (STL) 2 14:05 San Diego (SAN) 1
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 6:15 Operates only on 2025-12-18
Mon 09:50 Saint Louis (STL) 2 14:05 San Diego (SAN) 1
WN 2556 1-stop Boeing 737-700 (Scimitar Winglets) 6:15 Operates only on 2026-01-05
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 2556: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN2556
05:55
Pittsburgh (PIT)

06:35
Nashville (BNA)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2556
05:55
Pittsburgh (PIT)

06:35
Nashville (BNA)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
06:00
Pittsburgh (PIT)

06:40
Nashville (BNA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
06:00
Pittsburgh (PIT)

06:40
Nashville (BNA)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
06:00
Pittsburgh (PIT)

06:40
Nashville (BNA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
06:30
Pittsburgh (PIT)

07:05
Nashville (BNA)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2556
09:25
Saint Louis (STL) 2

10:40
Milwaukee (MKE)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:25
Saint Louis (STL) 2

10:40
Milwaukee (MKE)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:30
Phoenix Sky Harbor (PHX) 4

16:35
Tampa (TPA)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

11:05
Milwaukee (MKE)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

11:05
Milwaukee (MKE)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

11:05
Milwaukee (MKE)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

11:05
Milwaukee (MKE)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

11:05
Milwaukee (MKE)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
10:45
New York LaGuardia (LGA) B

13:30
Love Field, Dallas (DAL) 1
Valid until 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
10:45
New York LaGuardia (LGA) B

13:30
Love Field, Dallas (DAL) 1
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
10:45
New York LaGuardia (LGA) B

13:30
Love Field, Dallas (DAL) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
10:50
New York LaGuardia (LGA) B

13:40
Love Field, Dallas (DAL) 1
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
10:55
Milwaukee (MKE)

13:20
San Diego (SAN) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
11:15
Milwaukee (MKE)

14:55
Orlando (MCO)
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 WN2556
11:15
Milwaukee (MKE)

14:55
Orlando (MCO)
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 WN2556
11:40
Milwaukee (MKE)

14:05
San Diego (SAN) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
11:40
Milwaukee (MKE)

14:05
San Diego (SAN) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
11:40
Milwaukee (MKE)

14:05
San Diego (SAN) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
11:40
Milwaukee (MKE)

14:05
San Diego (SAN) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
11:40
Milwaukee (MKE)

14:05
San Diego (SAN) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
12:15
New Orleans (MSY)

14:30
Midway, Chicago (MDW)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
12:15
New Orleans (MSY)

14:30
Midway, Chicago (MDW)
Operates only on 2025-12-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
12:15
New Orleans (MSY)

14:30
Midway, Chicago (MDW)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
12:40
San Diego (SAN) 1

17:35
Austin (AUS)
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
13:20
Phoenix Sky Harbor (PHX) 4

20:20
Tampa (TPA)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
14:50
Phoenix Sky Harbor (PHX) 4

21:50
Tampa (TPA)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2556
15:50
Pittsburgh (PIT)

16:55
Baltimore (BWI)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
16:25
Pittsburgh (PIT)

17:30
Baltimore (BWI)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
18:00
Pittsburgh (PIT)

19:05
Baltimore (BWI)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2556
18:05
Pittsburgh (PIT)

19:15
Baltimore (BWI)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2556
18:15
Phoenix Sky Harbor (PHX) 4

01:15(+1)
Tampa (TPA)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN2556
18:15
Phoenix Sky Harbor (PHX) 4

01:15(+1)
Tampa (TPA)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN2556
20:15
Saint Louis (STL) 2

21:30
Milwaukee (MKE)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
20:15
Saint Louis (STL) 2

21:30
Milwaukee (MKE)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
20:15
Saint Louis (STL) 2

21:30
Milwaukee (MKE)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
20:15
Saint Louis (STL) 2

21:30
Milwaukee (MKE)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
20:15
Saint Louis (STL) 2

21:30
Milwaukee (MKE)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2556
09:25
Saint Louis (STL) 2

14:55
Orlando (MCO)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:25
Saint Louis (STL) 2

14:55
Orlando (MCO)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

14:05
San Diego (SAN) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

14:05
San Diego (SAN) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

14:05
San Diego (SAN) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

14:05
San Diego (SAN) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2556
09:50
Saint Louis (STL) 2

14:05
San Diego (SAN) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Milwaukee (MKE) - Orlando (MCO)
  • Milwaukee (MKE) - San Diego (SAN)
  • New Orleans (MSY) - Midway, Chicago (MDW)
  • New York LaGuardia (LGA) - Love Field, Dallas (DAL)
  • Phoenix Sky Harbor (PHX) - Tampa (TPA)
  • Pittsburgh (PIT) - Baltimore (BWI)
  • Pittsburgh (PIT) - Nashville (BNA)
  • Saint Louis (STL) - Milwaukee (MKE)
  • Saint Louis (STL) - Orlando (MCO)
  • Saint Louis (STL) - San Diego (SAN)
  • San Diego (SAN) - Austin (AUS)
All Southwest Airlines flights
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