Southwest Airlines flight WN 556: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:05 Phoenix Sky Harbor (PHX) 4 10:20 Chicago Midway (MDW)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-03-09 through 2026-04-06
Thu,Fri 06:05 Phoenix Sky Harbor (PHX) 4 10:20 Chicago Midway (MDW)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-03-05 through 2026-03-06
Sat 06:05 Los Angeles (LAX) 1 09:35 Denver (DEN)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-07 through 2026-04-04
Mon,Tue,Fri,Sun 07:40 Houston Hobby (HOU) 09:20 Long Beach (LGB)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Valid until 2026-01-04
Mon 08:00 Houston Hobby (HOU) 09:40 Long Beach (LGB)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2026-01-05
Sun 08:20 Los Angeles (LAX) 1 11:40 Denver (DEN)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-03-08 through 2026-04-05
Tue,Wed 10:45 Oakland (OAK) 2 12:05 Ontario, Los Angeles (ONT) 4
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 11:20 Austin (AUS) 12:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 11:20 Austin (AUS) 12:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-02-20 through 2026-03-01
Tue,Wed 12:35 Las Vegas Harry Reid (LAS) 1 17:50 Saint Louis (STL) 2
WN 556 Non-stop Boeing 737-800 (73H) 3:15 Effective 2026-08-04 through 2026-09-30
Tue,Wed 12:40 Ontario, Los Angeles (ONT) 4 14:00 Phoenix Sky Harbor (PHX) 4
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 12:40 Ontario, Los Angeles (ONT) 4 14:00 Phoenix Sky Harbor (PHX) 4
WN 556 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 12:50 Las Vegas Harry Reid (LAS) 1 18:25 Chicago Midway (MDW)
WN 556 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-06 through 2026-09-28
Sun 12:55 Las Vegas Harry Reid (LAS) 1 18:10 Saint Louis (STL) 2
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-08-09 through 2026-09-27
Sun 13:00 Denver (DEN) 16:05 Saint Louis (STL) 2
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-06-07 through 2026-08-02
Sat 13:05 Phoenix Sky Harbor (PHX) 4 14:15 San Francisco (SFO) 2
WN 556 Non-stop Boeing 737-800 (73H) 2:10 Valid until 2026-01-03
Mon-Fri 13:15 Austin (AUS) 14:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 13:15 Austin (AUS) 14:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 13:15 Austin (AUS) 14:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 13:15 Austin (AUS) 14:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-02-08 through 2026-02-11
Mon,Thu,Fri 13:15 New Orleans (MSY) 16:40 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-12 through 2026-02-16
Tue,Wed 13:15 Austin (AUS) 14:40 New Orleans (MSY)
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 13:15 New Orleans (MSY) 16:40 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-20 through 2026-03-01
Tue,Wed 13:35 Destin/Fort Walton Beach (VPS) 15:25 Saint Louis (STL) 2
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 14:05 Myrtle Beach (MYR) 15:10 Saint Louis (STL) 2
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-06-04 through 2026-08-03
Sun 14:25 Denver (DEN) 15:45 Ontario, Los Angeles (ONT) 4
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-05-24
Sat 14:40 Baltimore (BWI) 16:10 Myrtle Beach (MYR)
WN 556 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-06-06 through 2026-08-01
Thu,Fri,Sun 14:55 Austin (AUS) 16:20 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:55 Austin (AUS) 16:20 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:55 Austin (AUS) 16:20 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:55 Austin (AUS) 16:20 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:55 Austin (AUS) 16:20 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-17 through 2026-02-23
Mon 14:55 Austin (AUS) 16:20 New Orleans (MSY)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-03-02
Mon,Thu,Fri 15:45 Saint Louis (STL) 2 16:50 Chicago Midway (MDW)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-06-04 through 2026-08-03
Sun 15:50 Ontario, Los Angeles (ONT) 4 17:10 Phoenix Sky Harbor (PHX) 4
WN 556 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-04-12 through 2026-05-17
Sun 15:50 Ontario, Los Angeles (ONT) 4 17:10 Phoenix Sky Harbor (PHX) 4
WN 556 Non-stop Boeing 737-800 (73H) 1:20 Operates only on 2026-05-31
Sat 15:55 New Orleans (MSY) 19:25 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-01-10 through 2026-02-07
Tue,Wed 16:00 Saint Louis (STL) 2 17:05 Chicago Midway (MDW)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-06-09 through 2026-07-29
Sun 16:20 Ontario, Los Angeles (ONT) 4 17:45 Phoenix Sky Harbor (PHX) 4
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-05-24
Tue,Wed 16:30 Oakland (OAK) 2 17:50 Ontario, Los Angeles (ONT) 4
WN 556 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-03-10 through 2026-04-01
Sun 16:40 Saint Louis (STL) 2 17:45 Chicago Midway (MDW)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-06-07 through 2026-08-02
Sat 16:50 Myrtle Beach (MYR) 17:55 Saint Louis (STL) 2
WN 556 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-06-06 through 2026-08-01
Thu,Fri,Sun 16:55 New Orleans (MSY) 20:20 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:55 New Orleans (MSY) 20:20 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:55 New Orleans (MSY) 20:20 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 16:55 New Orleans (MSY) 20:20 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 16:55 New Orleans (MSY) 20:20 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-17 through 2026-02-23
Mon 16:55 New Orleans (MSY) 20:20 Baltimore (BWI)
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2026-03-02
Mon,Thu,Fri 17:30 Chicago Midway (MDW) 20:35 New York LaGuardia (LGA) B
WN 556 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-06-04 through 2026-08-03
Sun 17:50 Phoenix Sky Harbor (PHX) 4 00:55 Orlando (MCO)
WN 556 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-04-12 through 2026-05-17
The flight arrives 1 day after departure.
Sun 17:50 Phoenix Sky Harbor (PHX) 4 00:55 Orlando (MCO)
WN 556 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2026-05-31
The flight arrives 1 day after departure.
Wed,Thu 18:25 Salt Lake City (SLC) 18:50 Las Vegas Harry Reid (LAS) 1
WN 556 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2026-01-01
Non-Direct Flights:
Tue,Wed 10:45 Oakland (OAK) 2 14:00 Phoenix Sky Harbor (PHX) 4
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 11:20 Austin (AUS) 16:40 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 11:20 Austin (AUS) 16:40 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2026-02-20 through 2026-03-01
Sun 13:00 Denver (DEN) 17:45 Chicago Midway (MDW)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-06-07 through 2026-08-02
Tue,Wed 13:35 Destin/Fort Walton Beach (VPS) 17:05 Chicago Midway (MDW)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 3:30 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 14:05 Myrtle Beach (MYR) 16:50 Chicago Midway (MDW)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-06-04 through 2026-08-03
Sun 14:25 Denver (DEN) 17:45 Phoenix Sky Harbor (PHX) 4
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Operates only on 2026-05-24
Sat 14:40 Baltimore (BWI) 17:55 Saint Louis (STL) 2
WN 556 1-stop Boeing 737-800 (73H) 4:15 Effective 2026-06-06 through 2026-08-01
Thu,Fri,Sun 14:55 Austin (AUS) 20:20 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:55 Austin (AUS) 20:20 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:55 Austin (AUS) 20:20 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:55 Austin (AUS) 20:20 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:55 Austin (AUS) 20:20 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2026-02-17 through 2026-02-23
Mon 14:55 Austin (AUS) 20:20 Baltimore (BWI)
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Operates only on 2026-03-02
Mon,Thu,Fri 15:45 Saint Louis (STL) 2 20:35 New York LaGuardia (LGA) B
WN 556 1-stop Boeing 737-700 (Scimitar Winglets) 3:50 Effective 2026-06-04 through 2026-08-03
Sun 15:50 Ontario, Los Angeles (ONT) 4 00:55 Orlando (MCO)
WN 556 1-stop Boeing 737-800 (73H) 6:05 Effective 2026-04-12 through 2026-05-17
The flight arrives 1 day after departure.
Sun 15:50 Ontario, Los Angeles (ONT) 4 00:55 Orlando (MCO)
WN 556 1-stop Boeing 737-800 (73H) 6:05 Operates only on 2026-05-31
The flight arrives 1 day after departure.
Mon,Thu,Fri 14:05 Myrtle Beach (MYR) 20:35 New York LaGuardia (LGA) B
WN 556 2-stop Boeing 737-700 (Scimitar Winglets) 6:30 Effective 2026-06-04 through 2026-08-03
Ad flat here 1377413384 I FlightWNum Lower
Parallax here
This flight number is listed as serving the following routes:
Southwest Airlines flight WN 556: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN556
Effective 2026-03-09 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-03-05 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
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 WN556
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
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 WN556
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN556
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
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 WN556
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN556
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN556
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN556
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN556
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN556
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 2-stop
Boeing 737-700 (Scimitar Winglets)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Austin (AUS) - Baltimore (BWI)
  • Austin (AUS) - New Orleans (MSY)
  • Baltimore (BWI) - Myrtle Beach (MYR)
  • Baltimore (BWI) - Saint Louis (STL)
  • Chicago Midway (MDW) - New York LaGuardia (LGA)
  • Denver (DEN) - Chicago Midway (MDW)
  • Denver (DEN) - Ontario, Los Angeles (ONT)
  • Denver (DEN) - Phoenix Sky Harbor (PHX)
  • Denver (DEN) - Saint Louis (STL)
  • Destin/Fort Walton Beach (VPS) - Chicago Midway (MDW)
  • Destin/Fort Walton Beach (VPS) - Saint Louis (STL)
  • Houston Hobby (HOU) - Long Beach (LGB)
  • Las Vegas Harry Reid (LAS) - Chicago Midway (MDW)
  • Las Vegas Harry Reid (LAS) - Saint Louis (STL)
  • Los Angeles (LAX) - Denver (DEN)
  • Myrtle Beach (MYR) - Chicago Midway (MDW)
  • Myrtle Beach (MYR) - New York LaGuardia (LGA)
  • Myrtle Beach (MYR) - Saint Louis (STL)
  • New Orleans (MSY) - Baltimore (BWI)
  • Oakland (OAK) - Ontario, Los Angeles (ONT)
  • Oakland (OAK) - Phoenix Sky Harbor (PHX)
  • Ontario, Los Angeles (ONT) - Orlando (MCO)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Chicago Midway (MDW)
  • Phoenix Sky Harbor (PHX) - Orlando (MCO)
  • Phoenix Sky Harbor (PHX) - San Francisco (SFO)
  • Saint Louis (STL) - Chicago Midway (MDW)
  • Saint Louis (STL) - New York LaGuardia (LGA)
  • Salt Lake City (SLC) - Las Vegas Harry Reid (LAS)