Southwest Airlines flight WN 3431: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:35 John Glenn Columbus (CMH) 06:50 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2025-06-02
Sun 06:40 John Glenn Columbus (CMH) 06:55 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2025-05-18
Sun 06:40 John Glenn Columbus (CMH) 06:55 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2025-06-01
Sat 06:50 John Glenn Columbus (CMH) 07:05 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Valid until 2025-05-31
Sat 06:50 Long Beach (LGB) 08:05 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-07 through 2025-08-02
Sat 06:50 Albany (ALB) 09:45 Orlando (MCO)
WN 3431 Non-stop Boeing 737-800 (73H) 2:55 Effective 2025-08-09 through 2025-09-27
Sun 06:50 Albany (ALB) 09:45 Orlando (MCO)
WN 3431 Non-stop Boeing 737-700 (73W) 2:55 Effective 2025-08-10 through 2025-08-24
Sun 06:50 Albany (ALB) 09:45 Orlando (MCO)
WN 3431 Non-stop Boeing 737-700 (73W) 2:55 Effective 2025-09-07 through 2025-09-28
Tue,Wed 07:00 Las Vegas Harry Reid (LAS) 1 08:25 San Jose (SJC) B
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-06-10 through 2025-07-30
Sun 07:30 John Glenn Columbus (CMH) 07:45 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2025-05-25
Mon,Thu,Fri 07:30 Long Beach (LGB) 08:40 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 07:30 Long Beach (LGB) 08:40 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-07-07 through 2025-08-04
Sun 07:35 Midway, Chicago (MDW) 09:30 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Valid until 2025-05-18
Sun 07:35 Midway, Chicago (MDW) 09:30 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Operates only on 2025-06-01
Mon,Thu,Fri 09:20 Las Vegas Harry Reid (LAS) 1 10:50 San Jose (SJC) B
WN 3431 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 09:20 Las Vegas Harry Reid (LAS) 1 10:50 San Jose (SJC) B
WN 3431 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-07-07 through 2025-08-04
Fri 09:25 Las Vegas Harry Reid (LAS) 1 10:55 San Jose (SJC) B
WN 3431 Non-stop Boeing 737-800 (73H) 1:30 Operates only on 2025-07-04
Sun 10:05 Portland (PDX) 12:15 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-10-05 through 2025-10-26
Tue,Wed 10:15 Tampa (TPA) 12:35 Ronald Reagan Washington (DCA)
WN 3431 Non-stop Boeing 737-700 (73W) 2:20 Valid until 2025-06-04
Tue,Wed 11:30 Las Vegas Harry Reid (LAS) 1 18:20 Detroit (DTW) E
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 11:30 Las Vegas Harry Reid (LAS) 1 18:20 Detroit (DTW) E
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 11:30 Las Vegas Harry Reid (LAS) 1 18:20 Detroit (DTW) E
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 11:30 Las Vegas Harry Reid (LAS) 1 18:20 Detroit (DTW) E
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 11:30 Las Vegas Harry Reid (LAS) 1 18:20 Detroit (DTW) E
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2025-12-24 through 2026-01-01
Sun 11:35 Reno (RNO) 13:00 Long Beach (LGB)
WN 3431 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-08 through 2025-08-03
Sat 11:55 Las Vegas Harry Reid (LAS) 1 13:05 Santa Ana (SNA)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-10-04 through 2025-11-01
Sun 12:55 Las Vegas Harry Reid (LAS) 1 14:05 Santa Ana (SNA)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-10-05 through 2025-10-26
Tue,Wed 13:10 Ronald Reagan Washington (DCA) 14:30 John Glenn Columbus (CMH)
WN 3431 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2025-06-04
Sun 13:35 Long Beach (LGB) 14:45 Las Vegas Harry Reid (LAS) 1
WN 3431 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-06-08 through 2025-08-03
Tue,Wed 15:05 John Glenn Columbus (CMH) 15:20 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (73W) 1:15 Valid until 2025-06-04
Mon-Wed 16:30 New York LaGuardia (LGA) B 19:30 Love Field, Dallas (DAL) 1
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:30 New York LaGuardia (LGA) B 19:30 Love Field, Dallas (DAL) 1
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-19 through 2026-01-04
Sat 16:40 Detroit (DTW) E 16:50 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-08 through 2025-11-15
Sat 16:40 Detroit (DTW) E 16:50 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-06 through 2025-12-13
Sat 16:50 New York LaGuardia (LGA) B 19:55 Love Field, Dallas (DAL) 1
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-11-22 through 2025-11-29
Sat 16:50 New York LaGuardia (LGA) B 19:55 Love Field, Dallas (DAL) 1
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-12-20 through 2026-01-03
Sun 17:20 Baltimore (BWI) 18:55 Detroit (DTW) E
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-11-30
Tue,Wed 17:45 Las Vegas Harry Reid (LAS) 1 19:00 Santa Ana (SNA)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 18:45 Las Vegas Harry Reid (LAS) 1 19:55 Santa Ana (SNA)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-10-02 through 2025-10-31
Tue,Wed 19:00 Detroit (DTW) E 19:10 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 19:00 Detroit (DTW) E 19:10 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 19:00 Detroit (DTW) E 19:10 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 19:00 Detroit (DTW) E 19:10 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 19:00 Detroit (DTW) E 19:10 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-12-24 through 2026-01-01
Sun 19:35 Detroit (DTW) E 19:45 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 20:25 Detroit (DTW) E 20:35 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:25 Detroit (DTW) E 20:35 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:25 Detroit (DTW) E 20:35 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-07 through 2025-12-14
Thu 20:25 Detroit (DTW) E 20:35 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2025-12-18
Mon 20:25 Detroit (DTW) E 20:35 Midway, Chicago (MDW)
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Mon,Thu,Fri 20:30 Santa Ana (SNA) 22:00 Sacramento (SMF) B
WN 3431 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-10-02 through 2025-10-31
Sat 20:35 Love Field, Dallas (DAL) 1 22:25 Salt Lake City (SLC)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-11-22 through 2025-11-29
Sat 20:35 Love Field, Dallas (DAL) 1 22:25 Salt Lake City (SLC)
WN 3431 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-12-20 through 2026-01-03
Non-Direct Flights:
Sun 06:40 John Glenn Columbus (CMH) 09:30 Las Vegas Harry Reid (LAS) 1
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:50 Valid until 2025-05-18
Sun 06:40 John Glenn Columbus (CMH) 09:30 Las Vegas Harry Reid (LAS) 1
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:50 Operates only on 2025-06-01
Mon,Thu,Fri 07:30 Long Beach (LGB) 10:50 San Jose (SJC) B
WN 3431 1-stop Boeing 737-700 (73W) 3:20 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 07:30 Long Beach (LGB) 10:50 San Jose (SJC) B
WN 3431 1-stop Boeing 737-700 (73W) 3:20 Effective 2025-07-07 through 2025-08-04
Sun 10:05 Portland (PDX) 14:05 Santa Ana (SNA)
WN 3431 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2025-10-05 through 2025-10-26
Tue,Wed 10:15 Tampa (TPA) 14:30 John Glenn Columbus (CMH)
WN 3431 1-stop Boeing 737-700 (73W) 4:15 Valid until 2025-06-04
Tue,Wed 11:30 Las Vegas Harry Reid (LAS) 1 19:10 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-11-04 through 2025-11-12
Mon-Thu 11:30 Las Vegas Harry Reid (LAS) 1 19:10 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-11-17 through 2025-11-20
Mon-Fri 11:30 Las Vegas Harry Reid (LAS) 1 19:10 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-12-02 through 2025-12-11
Mon-Wed 11:30 Las Vegas Harry Reid (LAS) 1 19:10 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-12-15 through 2025-12-17
Wed,Thu 11:30 Las Vegas Harry Reid (LAS) 1 19:10 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2025-12-24 through 2026-01-01
Sun 11:35 Reno (RNO) 14:45 Las Vegas Harry Reid (LAS) 1
WN 3431 1-stop Boeing 737-700 (73W) 3:10 Effective 2025-06-08 through 2025-08-03
Tue,Wed 13:10 Ronald Reagan Washington (DCA) 15:20 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737-700 (73W) 3:10 Valid until 2025-06-04
Sat 16:50 New York LaGuardia (LGA) B 22:25 Salt Lake City (SLC)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 7:35 Effective 2025-11-22 through 2025-11-29
Sat 16:50 New York LaGuardia (LGA) B 22:25 Salt Lake City (SLC)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 7:35 Effective 2025-12-20 through 2026-01-03
Sun 17:20 Baltimore (BWI) 19:45 Midway, Chicago (MDW)
WN 3431 1-stop Boeing 737 MAX 8 (7M8) 3:25 Operates only on 2025-11-30
Mon,Thu,Fri 18:45 Las Vegas Harry Reid (LAS) 1 22:00 Sacramento (SMF) B
WN 3431 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2025-10-02 through 2025-10-31
Tue,Wed 10:15 Tampa (TPA) 15:20 Midway, Chicago (MDW)
WN 3431 2-stop Boeing 737-700 (73W) 6:05 Valid until 2025-06-04
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3431: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3431
06:35
John Glenn Columbus (CMH)

06:50
Midway, Chicago (MDW)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
06:40
John Glenn Columbus (CMH)

06:55
Midway, Chicago (MDW)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
06:40
John Glenn Columbus (CMH)

06:55
Midway, Chicago (MDW)
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 WN3431
06:50
John Glenn Columbus (CMH)

07:05
Midway, Chicago (MDW)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
06:50
Long Beach (LGB)

08:05
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
06:50
Albany (ALB)

09:45
Orlando (MCO)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3431
06:50
Albany (ALB)

09:45
Orlando (MCO)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
06:50
Albany (ALB)

09:45
Orlando (MCO)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
07:00
Las Vegas Harry Reid (LAS) 1

08:25
San Jose (SJC) B
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
07:30
John Glenn Columbus (CMH)

07:45
Midway, Chicago (MDW)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3431
07:30
Long Beach (LGB)

08:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
07:30
Long Beach (LGB)

08:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
07:35
Midway, Chicago (MDW)

09:30
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
07:35
Midway, Chicago (MDW)

09:30
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
09:20
Las Vegas Harry Reid (LAS) 1

10:50
San Jose (SJC) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
09:20
Las Vegas Harry Reid (LAS) 1

10:50
San Jose (SJC) B
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
09:25
Las Vegas Harry Reid (LAS) 1

10:55
San Jose (SJC) B
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3431
10:05
Portland (PDX)

12:15
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
10:15
Tampa (TPA)

12:35
Ronald Reagan Washington (DCA)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

18:20
Detroit (DTW) E
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

18:20
Detroit (DTW) E
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

18:20
Detroit (DTW) E
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

18:20
Detroit (DTW) E
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

18:20
Detroit (DTW) E
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:35
Reno (RNO)

13:00
Long Beach (LGB)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
11:55
Las Vegas Harry Reid (LAS) 1

13:05
Santa Ana (SNA)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
12:55
Las Vegas Harry Reid (LAS) 1

14:05
Santa Ana (SNA)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
13:10
Ronald Reagan Washington (DCA)

14:30
John Glenn Columbus (CMH)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
13:35
Long Beach (LGB)

14:45
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
15:05
John Glenn Columbus (CMH)

15:20
Midway, Chicago (MDW)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
16:30
New York LaGuardia (LGA) B

19:30
Love Field, Dallas (DAL) 1
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
16:30
New York LaGuardia (LGA) B

19:30
Love Field, Dallas (DAL) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
16:40
Detroit (DTW) E

16:50
Midway, Chicago (MDW)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
16:40
Detroit (DTW) E

16:50
Midway, Chicago (MDW)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
16:50
New York LaGuardia (LGA) B

19:55
Love Field, Dallas (DAL) 1
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
16:50
New York LaGuardia (LGA) B

19:55
Love Field, Dallas (DAL) 1
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
17:20
Baltimore (BWI)

18:55
Detroit (DTW) E
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
17:45
Las Vegas Harry Reid (LAS) 1

19:00
Santa Ana (SNA)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
18:45
Las Vegas Harry Reid (LAS) 1

19:55
Santa Ana (SNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
19:00
Detroit (DTW) E

19:10
Midway, Chicago (MDW)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
19:00
Detroit (DTW) E

19:10
Midway, Chicago (MDW)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
19:00
Detroit (DTW) E

19:10
Midway, Chicago (MDW)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
19:00
Detroit (DTW) E

19:10
Midway, Chicago (MDW)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
19:00
Detroit (DTW) E

19:10
Midway, Chicago (MDW)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
19:35
Detroit (DTW) E

19:45
Midway, Chicago (MDW)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
20:25
Detroit (DTW) E

20:35
Midway, Chicago (MDW)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
20:25
Detroit (DTW) E

20:35
Midway, Chicago (MDW)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
20:25
Detroit (DTW) E

20:35
Midway, Chicago (MDW)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
20:25
Detroit (DTW) E

20:35
Midway, Chicago (MDW)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
20:25
Detroit (DTW) E

20:35
Midway, Chicago (MDW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
20:30
Santa Ana (SNA)

22:00
Sacramento (SMF) B
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
20:35
Love Field, Dallas (DAL) 1

22:25
Salt Lake City (SLC)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
20:35
Love Field, Dallas (DAL) 1

22:25
Salt Lake City (SLC)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3431
06:40
John Glenn Columbus (CMH)

09:30
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:50, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
06:40
John Glenn Columbus (CMH)

09:30
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:50, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
07:30
Long Beach (LGB)

10:50
San Jose (SJC) B
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
07:30
Long Beach (LGB)

10:50
San Jose (SJC) B
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
10:05
Portland (PDX)

14:05
Santa Ana (SNA)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
10:15
Tampa (TPA)

14:30
John Glenn Columbus (CMH)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

19:10
Midway, Chicago (MDW)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

19:10
Midway, Chicago (MDW)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

19:10
Midway, Chicago (MDW)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

19:10
Midway, Chicago (MDW)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:30
Las Vegas Harry Reid (LAS) 1

19:10
Midway, Chicago (MDW)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
11:35
Reno (RNO)

14:45
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
13:10
Ronald Reagan Washington (DCA)

15:20
Midway, Chicago (MDW)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3431
16:50
New York LaGuardia (LGA) B

22:25
Salt Lake City (SLC)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:35, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
16:50
New York LaGuardia (LGA) B

22:25
Salt Lake City (SLC)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:35, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
17:20
Baltimore (BWI)

19:45
Midway, Chicago (MDW)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3431
18:45
Las Vegas Harry Reid (LAS) 1

22:00
Sacramento (SMF) B
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3431
10:15
Tampa (TPA)

15:20
Midway, Chicago (MDW)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:05, 2-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Albany (ALB) - Orlando (MCO)
  • Baltimore (BWI) - Detroit (DTW)
  • Baltimore (BWI) - Midway, Chicago (MDW)
  • Detroit (DTW) - Midway, Chicago (MDW)
  • John Glenn Columbus (CMH) - Las Vegas Harry Reid (LAS)
  • John Glenn Columbus (CMH) - Midway, Chicago (MDW)
  • Las Vegas Harry Reid (LAS) - Detroit (DTW)
  • Las Vegas Harry Reid (LAS) - Midway, Chicago (MDW)
  • Las Vegas Harry Reid (LAS) - Sacramento (SMF)
  • Las Vegas Harry Reid (LAS) - San Jose (SJC)
  • Las Vegas Harry Reid (LAS) - Santa Ana (SNA)
  • Long Beach (LGB) - Las Vegas Harry Reid (LAS)
  • Long Beach (LGB) - San Jose (SJC)
  • Love Field, Dallas (DAL) - Salt Lake City (SLC)
  • New York LaGuardia (LGA) - Love Field, Dallas (DAL)
  • New York LaGuardia (LGA) - Salt Lake City (SLC)
  • Portland (PDX) - Las Vegas Harry Reid (LAS)
  • Portland (PDX) - Santa Ana (SNA)
  • Reno (RNO) - Las Vegas Harry Reid (LAS)
  • Reno (RNO) - Long Beach (LGB)
  • Ronald Reagan Washington (DCA) - John Glenn Columbus (CMH)
  • Ronald Reagan Washington (DCA) - Midway, Chicago (MDW)
  • Santa Ana (SNA) - Sacramento (SMF)
  • Tampa (TPA) - John Glenn Columbus (CMH)
  • Tampa (TPA) - Midway, Chicago (MDW)
  • Tampa (TPA) - Ronald Reagan Washington (DCA)
All Southwest Airlines flights
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