Southwest Airlines flight WN 31: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 08:20 Baltimore (BWI) 09:50 Greenville/Spartanburg (GSP)
WN 31 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-05-18
Sun 08:20 Baltimore (BWI) 09:50 Greenville/Spartanburg (GSP)
WN 31 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-06-01
Tue,Wed 08:25 Midway, Chicago (MDW) 09:40 Saint Louis (STL) 2
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 08:25 Midway, Chicago (MDW) 09:40 Saint Louis (STL) 2
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-17 through 2025-11-20
Mon-Fri 08:25 Midway, Chicago (MDW) 09:40 Saint Louis (STL) 2
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-02 through 2025-12-11
Mon-Wed 08:25 Midway, Chicago (MDW) 09:40 Saint Louis (STL) 2
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 08:25 Midway, Chicago (MDW) 09:40 Saint Louis (STL) 2
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-24 through 2026-01-01
Tue,Wed 10:15 Saint Louis (STL) 2 11:25 Little Rock (LIT)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-10-07 through 2025-11-12
Mon-Thu 10:15 Saint Louis (STL) 2 11:25 Little Rock (LIT)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:15 Saint Louis (STL) 2 11:25 Little Rock (LIT)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:15 Saint Louis (STL) 2 11:25 Little Rock (LIT)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:15 Saint Louis (STL) 2 11:25 Little Rock (LIT)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-24 through 2026-01-01
Sun 10:25 Greenville/Spartanburg (GSP) 10:40 Nashville (BNA)
WN 31 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2025-05-18
Sun 10:25 Greenville/Spartanburg (GSP) 10:40 Nashville (BNA)
WN 31 Non-stop Boeing 737-700 (73W) 1:15 Operates only on 2025-06-01
Sat 11:00 Baltimore (BWI) 13:10 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2025-08-09 through 2025-09-27
Sun 11:15 Nashville (BNA) 13:15 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (73W) 2:00 Valid until 2025-05-18
Sun 11:15 Nashville (BNA) 13:15 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-06-01
Tue,Wed 12:00 Little Rock (LIT) 13:20 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-07 through 2025-11-12
Mon-Thu 12:00 Little Rock (LIT) 13:20 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 12:00 Little Rock (LIT) 13:20 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 12:00 Little Rock (LIT) 13:20 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 12:00 Little Rock (LIT) 13:20 Love Field, Dallas (DAL) 1
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-24 through 2026-01-01
Sat 13:50 Love Field, Dallas (DAL) 1 15:05 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-08-09 through 2025-09-27
Sun 13:55 Love Field, Dallas (DAL) 1 15:10 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2025-05-18
Sun 13:55 Love Field, Dallas (DAL) 1 15:10 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (73W) 1:15 Operates only on 2025-06-01
Sat 14:00 Love Field, Dallas (DAL) 1 15:10 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-06-07 through 2025-08-02
Tue,Wed 14:00 Love Field, Dallas (DAL) 1 15:10 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-10-07 through 2025-10-29
Tue,Wed 14:00 Love Field, Dallas (DAL) 1 15:15 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:00 Love Field, Dallas (DAL) 1 15:15 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-17 through 2025-11-20
Mon-Wed 14:00 Love Field, Dallas (DAL) 1 15:15 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-11-25 through 2025-12-03
Mon-Fri 14:00 Love Field, Dallas (DAL) 1 15:15 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-04 through 2025-12-11
Mon-Wed,Fri,Sun 14:00 Love Field, Dallas (DAL) 1 15:15 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-15 through 2025-12-24
Mon-Fri,Sun 14:00 Love Field, Dallas (DAL) 1 15:15 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-12-25 through 2026-01-04
Sat 14:20 Love Field, Dallas (DAL) 1 15:35 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2025-05-31
Tue,Wed 15:50 Houston Hobby (HOU) 16:50 Corpus Christi (CRP)
WN 31 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2025-10-07 through 2025-10-29
Sat 16:15 Houston Hobby (HOU) 17:10 Corpus Christi (CRP)
WN 31 Non-stop Boeing 737-700 (73W) 0:55 Valid until 2025-05-31
Sun 16:15 Love Field, Dallas (DAL) 1 17:25 Houston Hobby (HOU)
WN 31 Non-stop Boeing 737-800 (73H) 1:10 Effective 2025-06-08 through 2025-08-03
Non-Direct Flights:
Sun 08:20 Baltimore (BWI) 10:40 Nashville (BNA)
WN 31 1-stop Boeing 737-700 (73W) 3:20 Valid until 2025-05-18
Sun 08:20 Baltimore (BWI) 10:40 Nashville (BNA)
WN 31 1-stop Boeing 737-700 (73W) 3:20 Operates only on 2025-06-01
Tue,Wed 08:25 Midway, Chicago (MDW) 11:25 Little Rock (LIT)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 08:25 Midway, Chicago (MDW) 11:25 Little Rock (LIT)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 08:25 Midway, Chicago (MDW) 11:25 Little Rock (LIT)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 08:25 Midway, Chicago (MDW) 11:25 Little Rock (LIT)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 08:25 Midway, Chicago (MDW) 11:25 Little Rock (LIT)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2025-12-24 through 2026-01-01
Tue,Wed 10:15 Saint Louis (STL) 2 13:20 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-10-07 through 2025-11-12
Mon-Thu 10:15 Saint Louis (STL) 2 13:20 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:15 Saint Louis (STL) 2 13:20 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:15 Saint Louis (STL) 2 13:20 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:15 Saint Louis (STL) 2 13:20 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:05 Effective 2025-12-24 through 2026-01-01
Sun 10:25 Greenville/Spartanburg (GSP) 13:15 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (73W) 3:50 Valid until 2025-05-18
Sun 10:25 Greenville/Spartanburg (GSP) 13:15 Love Field, Dallas (DAL) 1
WN 31 1-stop Boeing 737-700 (73W) 3:50 Operates only on 2025-06-01
Sat 11:00 Baltimore (BWI) 15:05 Houston Hobby (HOU)
WN 31 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-08-09 through 2025-09-27
Sun 11:15 Nashville (BNA) 15:10 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (73W) 3:55 Valid until 2025-05-18
Sun 11:15 Nashville (BNA) 15:10 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (73W) 3:55 Operates only on 2025-06-01
Tue,Wed 12:00 Little Rock (LIT) 15:10 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2025-10-07 through 2025-10-29
Tue,Wed 12:00 Little Rock (LIT) 15:15 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-11-04 through 2025-11-12
Mon-Thu 12:00 Little Rock (LIT) 15:15 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-11-17 through 2025-11-20
Mon-Fri 12:00 Little Rock (LIT) 15:15 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-12-02 through 2025-12-11
Mon-Wed 12:00 Little Rock (LIT) 15:15 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-12-15 through 2025-12-17
Wed,Thu 12:00 Little Rock (LIT) 15:15 Houston Hobby (HOU)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-12-24 through 2026-01-01
Tue,Wed 14:00 Love Field, Dallas (DAL) 1 16:50 Corpus Christi (CRP)
WN 31 1-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2025-10-07 through 2025-10-29
Sat 14:20 Love Field, Dallas (DAL) 1 17:10 Corpus Christi (CRP)
WN 31 1-stop Boeing 737-700 (73W) 2:50 Valid until 2025-05-31
Sun 08:20 Baltimore (BWI) 13:15 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (73W) 5:55 Valid until 2025-05-18
Sun 08:20 Baltimore (BWI) 13:15 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (73W) 5:55 Operates only on 2025-06-01
Tue,Wed 08:25 Midway, Chicago (MDW) 13:20 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-11-04 through 2025-11-12
Mon-Thu 08:25 Midway, Chicago (MDW) 13:20 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-11-17 through 2025-11-20
Mon-Fri 08:25 Midway, Chicago (MDW) 13:20 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-12-02 through 2025-12-11
Mon-Wed 08:25 Midway, Chicago (MDW) 13:20 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-12-15 through 2025-12-17
Wed,Thu 08:25 Midway, Chicago (MDW) 13:20 Love Field, Dallas (DAL) 1
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-12-24 through 2026-01-01
Tue,Wed 10:15 Saint Louis (STL) 2 15:10 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2025-10-07 through 2025-10-29
Tue,Wed 10:15 Saint Louis (STL) 2 15:15 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:15 Saint Louis (STL) 2 15:15 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:15 Saint Louis (STL) 2 15:15 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:15 Saint Louis (STL) 2 15:15 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:15 Saint Louis (STL) 2 15:15 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2025-12-24 through 2026-01-01
Sun 10:25 Greenville/Spartanburg (GSP) 15:10 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (73W) 5:45 Valid until 2025-05-18
Sun 10:25 Greenville/Spartanburg (GSP) 15:10 Houston Hobby (HOU)
WN 31 2-stop Boeing 737-700 (73W) 5:45 Operates only on 2025-06-01
Tue,Wed 12:00 Little Rock (LIT) 16:50 Corpus Christi (CRP)
WN 31 2-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2025-10-07 through 2025-10-29
Sun 08:20 Baltimore (BWI) 15:10 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (73W) 7:50 Valid until 2025-05-18
Sun 08:20 Baltimore (BWI) 15:10 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (73W) 7:50 Operates only on 2025-06-01
Tue,Wed 08:25 Midway, Chicago (MDW) 15:15 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 08:25 Midway, Chicago (MDW) 15:15 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 08:25 Midway, Chicago (MDW) 15:15 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 08:25 Midway, Chicago (MDW) 15:15 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 08:25 Midway, Chicago (MDW) 15:15 Houston Hobby (HOU)
WN 31 3-stop Boeing 737-700 (Scimitar Winglets) 6:50 Effective 2025-12-24 through 2026-01-01
Tue,Wed 10:15 Saint Louis (STL) 2 16:50 Corpus Christi (CRP)
WN 31 3-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2025-10-07 through 2025-10-29
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 31: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
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 WN31
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 WN31
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 WN31
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 WN31
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)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
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 WN31
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 WN31
Effective 2025-11-25 through 2025-12-03
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-04 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-24
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-25 through 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 0:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:05, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:55, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:55, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:55, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:55, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:55, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:55, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:55, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:55, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:50, 2-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:50, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:50, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN31
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:50, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:50, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:50, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:50, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:50, 3-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN31
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:35, 3-stop
Boeing 737-700 (Scimitar Winglets)
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Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Greenville/Spartanburg (GSP)
  • Baltimore (BWI) - Houston Hobby (HOU)
  • Baltimore (BWI) - Love Field, Dallas (DAL)
  • Baltimore (BWI) - Nashville (BNA)
  • Greenville/Spartanburg (GSP) - Houston Hobby (HOU)
  • Greenville/Spartanburg (GSP) - Love Field, Dallas (DAL)
  • Greenville/Spartanburg (GSP) - Nashville (BNA)
  • Houston Hobby (HOU) - Corpus Christi (CRP)
  • Little Rock (LIT) - Corpus Christi (CRP)
  • Little Rock (LIT) - Houston Hobby (HOU)
  • Little Rock (LIT) - Love Field, Dallas (DAL)
  • Love Field, Dallas (DAL) - Corpus Christi (CRP)
  • Love Field, Dallas (DAL) - Houston Hobby (HOU)
  • Midway, Chicago (MDW) - Houston Hobby (HOU)
  • Midway, Chicago (MDW) - Little Rock (LIT)
  • Midway, Chicago (MDW) - Love Field, Dallas (DAL)
  • Midway, Chicago (MDW) - Saint Louis (STL)
  • Nashville (BNA) - Houston Hobby (HOU)
  • Nashville (BNA) - Love Field, Dallas (DAL)
  • Saint Louis (STL) - Corpus Christi (CRP)
  • Saint Louis (STL) - Houston Hobby (HOU)
  • Saint Louis (STL) - Little Rock (LIT)
  • Saint Louis (STL) - Love Field, Dallas (DAL)