Southwest Airlines flight WN 4331: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 08:50 Midway, Chicago (MDW) 11:15 El Paso (ELP)
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2024-10-05 through 2024-11-02
Tue,Wed 09:45 Midway, Chicago (MDW) 12:10 El Paso (ELP)
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2024-10-08 through 2024-10-30
Mon,Thu,Fri 12:00 Austin (AUS) 12:55 Houston Hobby (HOU)
WN 4331 Non-stop Boeing 737-800 (73H) 0:55 Valid until 2024-09-30
Mon-Wed 12:30 Houston Hobby (HOU) 14:45 Salt Lake City (SLC)
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2024-11-04 through 2024-11-06
Tue,Wed 12:30 Houston Hobby (HOU) 14:45 Salt Lake City (SLC)
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2024-11-12 through 2024-11-20
Tue-Fri 12:30 Houston Hobby (HOU) 14:45 Salt Lake City (SLC)
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2024-11-29 through 2024-12-06
Mon-Thu 12:30 Houston Hobby (HOU) 14:45 Salt Lake City (SLC)
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2024-12-09 through 2024-12-18
Tue,Wed 12:30 Houston Hobby (HOU) 14:45 Salt Lake City (SLC)
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2024-12-24 through 2025-01-01
Mon 12:30 Houston Hobby (HOU) 14:45 Salt Lake City (SLC)
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Operates only on 2025-01-06
Tue,Wed 13:35 Houston Hobby (HOU) 18:00 New York LaGuardia (LGA) B
WN 4331 Non-stop Boeing 737-800 (73H) 3:25 Valid until 2024-10-02
Mon,Thu,Fri 13:40 Houston Hobby (HOU) 18:05 New York LaGuardia (LGA) B
WN 4331 Non-stop Boeing 737-800 (73H) 3:25 Valid until 2024-09-30
Mon,Thu,Fri,Sun 14:20 Saint Louis (STL) 2 16:35 Austin (AUS)
WN 4331 Non-stop Boeing 737-700 (73W) 2:15 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 14:20 Saint Louis (STL) 2 16:35 Austin (AUS)
WN 4331 Non-stop Boeing 737-700 (73W) 2:15 Effective 2025-02-21 through 2025-03-02
Mon-Wed 15:20 Salt Lake City (SLC) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 Non-stop Boeing 737-700 (73W) 1:40 Effective 2024-11-04 through 2024-11-06
Tue,Wed 15:20 Salt Lake City (SLC) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 Non-stop Boeing 737-700 (73W) 1:40 Effective 2024-11-12 through 2024-11-20
Tue-Fri 15:20 Salt Lake City (SLC) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 Non-stop Boeing 737-700 (73W) 1:40 Effective 2024-11-29 through 2024-12-06
Mon-Thu 15:20 Salt Lake City (SLC) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 Non-stop Boeing 737-700 (73W) 1:40 Effective 2024-12-09 through 2024-12-18
Tue,Wed 15:20 Salt Lake City (SLC) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 Non-stop Boeing 737-700 (73W) 1:40 Effective 2024-12-24 through 2025-01-01
Mon 15:20 Salt Lake City (SLC) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 Non-stop Boeing 737-700 (73W) 1:40 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 17:10 Austin (AUS) 18:25 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 17:10 Austin (AUS) 18:25 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 3:15 Effective 2025-02-21 through 2025-03-02
Mon-Wed 17:40 Phoenix Sky Harbor (PHX) 4 17:55 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-11-04 through 2024-11-06
Tue,Wed 17:40 Phoenix Sky Harbor (PHX) 4 17:55 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-11-12 through 2024-11-20
Tue-Fri 17:40 Phoenix Sky Harbor (PHX) 4 17:55 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-11-29 through 2024-12-06
Mon-Thu 17:40 Phoenix Sky Harbor (PHX) 4 17:55 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-12-09 through 2024-12-18
Tue,Wed 17:40 Phoenix Sky Harbor (PHX) 4 17:55 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 1:15 Effective 2024-12-24 through 2025-01-01
Mon 17:40 Phoenix Sky Harbor (PHX) 4 17:55 San Diego (SAN) 1
WN 4331 Non-stop Boeing 737-700 (73W) 1:15 Operates only on 2025-01-06
Mon-Fri 18:00 San Diego (SAN) 1 19:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-01-07 through 2025-01-15
Tue-Fri,Sun 18:00 San Diego (SAN) 1 19:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-01-19 through 2025-01-24
Mon-Fri 18:00 San Diego (SAN) 1 19:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-01-27 through 2025-02-05
Tue,Wed,Sun 18:00 San Diego (SAN) 1 19:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-02-09 through 2025-02-12
Tue,Wed 18:00 San Diego (SAN) 1 19:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-02-19 through 2025-03-05
Mon-Wed 18:30 San Diego (SAN) 1 20:00 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2024-11-04 through 2024-11-06
Tue,Wed 18:30 San Diego (SAN) 1 20:00 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2024-11-12 through 2024-11-20
Tue-Fri 18:30 San Diego (SAN) 1 20:00 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2024-11-29 through 2024-12-06
Mon-Thu 18:30 San Diego (SAN) 1 20:00 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2024-12-09 through 2024-12-18
Tue,Wed 18:30 San Diego (SAN) 1 20:00 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2024-12-24 through 2025-01-01
Mon 18:30 San Diego (SAN) 1 20:00 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 19:00 San Diego (SAN) 1 20:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 19:00 San Diego (SAN) 1 20:30 San Jose (SJC) B
WN 4331 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-02-21 through 2025-03-02
Mon,Thu,Fri,Sun 21:05 San Jose (SJC) B 22:55 Portland (PDX)
WN 4331 Non-stop Boeing 737-700 (73W) 1:50 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 21:05 San Jose (SJC) B 22:55 Portland (PDX)
WN 4331 Non-stop Boeing 737-700 (73W) 1:50 Effective 2025-02-21 through 2025-03-02
Non-Direct Flights:
Mon,Thu,Fri 12:00 Austin (AUS) 18:05 New York LaGuardia (LGA) B
WN 4331 1-stop Boeing 737-800 (73H) 5:05 Valid until 2024-09-30
Mon-Wed 12:30 Houston Hobby (HOU) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 1-stop Boeing 737-700 (73W) 5:30 Effective 2024-11-04 through 2024-11-06
Tue,Wed 12:30 Houston Hobby (HOU) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 1-stop Boeing 737-700 (73W) 5:30 Effective 2024-11-12 through 2024-11-20
Tue-Fri 12:30 Houston Hobby (HOU) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 1-stop Boeing 737-700 (73W) 5:30 Effective 2024-11-29 through 2024-12-06
Mon-Thu 12:30 Houston Hobby (HOU) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 1-stop Boeing 737-700 (73W) 5:30 Effective 2024-12-09 through 2024-12-18
Tue,Wed 12:30 Houston Hobby (HOU) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 1-stop Boeing 737-700 (73W) 5:30 Effective 2024-12-24 through 2025-01-01
Mon 12:30 Houston Hobby (HOU) 17:00 Phoenix Sky Harbor (PHX) 4
WN 4331 1-stop Boeing 737-700 (73W) 5:30 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 14:20 Saint Louis (STL) 2 18:25 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 6:05 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 14:20 Saint Louis (STL) 2 18:25 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 6:05 Effective 2025-02-21 through 2025-03-02
Mon-Wed 15:20 Salt Lake City (SLC) 17:55 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 3:35 Effective 2024-11-04 through 2024-11-06
Tue,Wed 15:20 Salt Lake City (SLC) 17:55 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 3:35 Effective 2024-11-12 through 2024-11-20
Tue-Fri 15:20 Salt Lake City (SLC) 17:55 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 3:35 Effective 2024-11-29 through 2024-12-06
Mon-Thu 15:20 Salt Lake City (SLC) 17:55 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 3:35 Effective 2024-12-09 through 2024-12-18
Tue,Wed 15:20 Salt Lake City (SLC) 17:55 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 3:35 Effective 2024-12-24 through 2025-01-01
Mon 15:20 Salt Lake City (SLC) 17:55 San Diego (SAN) 1
WN 4331 1-stop Boeing 737-700 (73W) 3:35 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 17:10 Austin (AUS) 20:30 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 5:20 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 17:10 Austin (AUS) 20:30 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 5:20 Effective 2025-02-21 through 2025-03-02
Mon-Wed 17:40 Phoenix Sky Harbor (PHX) 4 20:00 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 3:20 Effective 2024-11-04 through 2024-11-06
Tue,Wed 17:40 Phoenix Sky Harbor (PHX) 4 20:00 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 3:20 Effective 2024-11-12 through 2024-11-20
Tue-Fri 17:40 Phoenix Sky Harbor (PHX) 4 20:00 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 3:20 Effective 2024-11-29 through 2024-12-06
Mon-Thu 17:40 Phoenix Sky Harbor (PHX) 4 20:00 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 3:20 Effective 2024-12-09 through 2024-12-18
Tue,Wed 17:40 Phoenix Sky Harbor (PHX) 4 20:00 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 3:20 Effective 2024-12-24 through 2025-01-01
Mon 17:40 Phoenix Sky Harbor (PHX) 4 20:00 San Jose (SJC) B
WN 4331 1-stop Boeing 737-700 (73W) 3:20 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 19:00 San Diego (SAN) 1 22:55 Portland (PDX)
WN 4331 1-stop Boeing 737-700 (73W) 3:55 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 19:00 San Diego (SAN) 1 22:55 Portland (PDX)
WN 4331 1-stop Boeing 737-700 (73W) 3:55 Effective 2025-02-21 through 2025-03-02
Mon-Wed 12:30 Houston Hobby (HOU) 17:55 San Diego (SAN) 1
WN 4331 2-stop Boeing 737-700 (73W) 7:25 Effective 2024-11-04 through 2024-11-06
Tue,Wed 12:30 Houston Hobby (HOU) 17:55 San Diego (SAN) 1
WN 4331 2-stop Boeing 737-700 (73W) 7:25 Effective 2024-11-12 through 2024-11-20
Tue-Fri 12:30 Houston Hobby (HOU) 17:55 San Diego (SAN) 1
WN 4331 2-stop Boeing 737-700 (73W) 7:25 Effective 2024-11-29 through 2024-12-06
Mon-Thu 12:30 Houston Hobby (HOU) 17:55 San Diego (SAN) 1
WN 4331 2-stop Boeing 737-700 (73W) 7:25 Effective 2024-12-09 through 2024-12-18
Tue,Wed 12:30 Houston Hobby (HOU) 17:55 San Diego (SAN) 1
WN 4331 2-stop Boeing 737-700 (73W) 7:25 Effective 2024-12-24 through 2025-01-01
Mon 12:30 Houston Hobby (HOU) 17:55 San Diego (SAN) 1
WN 4331 2-stop Boeing 737-700 (73W) 7:25 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 14:20 Saint Louis (STL) 2 20:30 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 8:10 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 14:20 Saint Louis (STL) 2 20:30 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 8:10 Effective 2025-02-21 through 2025-03-02
Mon-Wed 15:20 Salt Lake City (SLC) 20:00 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 5:40 Effective 2024-11-04 through 2024-11-06
Tue,Wed 15:20 Salt Lake City (SLC) 20:00 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 5:40 Effective 2024-11-12 through 2024-11-20
Tue-Fri 15:20 Salt Lake City (SLC) 20:00 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 5:40 Effective 2024-11-29 through 2024-12-06
Mon-Thu 15:20 Salt Lake City (SLC) 20:00 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 5:40 Effective 2024-12-09 through 2024-12-18
Tue,Wed 15:20 Salt Lake City (SLC) 20:00 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 5:40 Effective 2024-12-24 through 2025-01-01
Mon 15:20 Salt Lake City (SLC) 20:00 San Jose (SJC) B
WN 4331 2-stop Boeing 737-700 (73W) 5:40 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 17:10 Austin (AUS) 22:55 Portland (PDX)
WN 4331 2-stop Boeing 737-700 (73W) 7:45 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 17:10 Austin (AUS) 22:55 Portland (PDX)
WN 4331 2-stop Boeing 737-700 (73W) 7:45 Effective 2025-02-21 through 2025-03-02
Mon-Wed 12:30 Houston Hobby (HOU) 20:00 San Jose (SJC) B
WN 4331 3-stop Boeing 737-700 (73W) 9:30 Effective 2024-11-04 through 2024-11-06
Tue,Wed 12:30 Houston Hobby (HOU) 20:00 San Jose (SJC) B
WN 4331 3-stop Boeing 737-700 (73W) 9:30 Effective 2024-11-12 through 2024-11-20
Tue-Fri 12:30 Houston Hobby (HOU) 20:00 San Jose (SJC) B
WN 4331 3-stop Boeing 737-700 (73W) 9:30 Effective 2024-11-29 through 2024-12-06
Mon-Thu 12:30 Houston Hobby (HOU) 20:00 San Jose (SJC) B
WN 4331 3-stop Boeing 737-700 (73W) 9:30 Effective 2024-12-09 through 2024-12-18
Tue,Wed 12:30 Houston Hobby (HOU) 20:00 San Jose (SJC) B
WN 4331 3-stop Boeing 737-700 (73W) 9:30 Effective 2024-12-24 through 2025-01-01
Mon 12:30 Houston Hobby (HOU) 20:00 San Jose (SJC) B
WN 4331 3-stop Boeing 737-700 (73W) 9:30 Operates only on 2025-01-06
Mon,Thu,Fri,Sun 14:20 Saint Louis (STL) 2 22:55 Portland (PDX)
WN 4331 3-stop Boeing 737-700 (73W) 10:35 Effective 2025-02-13 through 2025-02-17
Thu,Fri,Sun 14:20 Saint Louis (STL) 2 22:55 Portland (PDX)
WN 4331 3-stop Boeing 737-700 (73W) 10:35 Effective 2025-02-21 through 2025-03-02
This flight number is listed as serving the following routes:
Southwest Airlines flight WN 4331: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN4331
Effective 2024-10-05 through 2024-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Effective 2024-10-08 through 2024-10-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Valid until 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Valid until 2024-10-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4331
Valid until 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-01-07 through 2025-01-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Effective 2025-01-19 through 2025-01-24
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Effective 2025-01-27 through 2025-02-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Effective 2025-02-09 through 2025-02-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Effective 2025-02-19 through 2025-03-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN4331
Valid until 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:55, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:25, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:25, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 7:25, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 7:25, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:25, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:25, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:10, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 8:10, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:40, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:40, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:40, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:45, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:45, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-04 through 2024-11-06
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:30, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-12 through 2024-11-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:30, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-11-29 through 2024-12-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 9:30, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-09 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:30, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2024-12-24 through 2025-01-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:30, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:30, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-13 through 2025-02-17
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:35, 3-stop
Boeing 737-700 (73W)

Southwest Airlines WN4331
Effective 2025-02-21 through 2025-03-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:35, 3-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • Austin (AUS) - Houston Hobby (HOU)
  • Austin (AUS) - New York LaGuardia (LGA)
  • Austin (AUS) - Portland (PDX)
  • Austin (AUS) - San Diego (SAN)
  • Austin (AUS) - San Jose (SJC)
  • Houston Hobby (HOU) - New York LaGuardia (LGA)
  • Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
  • Houston Hobby (HOU) - Salt Lake City (SLC)
  • Houston Hobby (HOU) - San Diego (SAN)
  • Houston Hobby (HOU) - San Jose (SJC)
  • Midway, Chicago (MDW) - El Paso (ELP)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • Phoenix Sky Harbor (PHX) - San Jose (SJC)
  • Saint Louis (STL) - Austin (AUS)
  • Saint Louis (STL) - Portland (PDX)
  • Saint Louis (STL) - San Diego (SAN)
  • Saint Louis (STL) - San Jose (SJC)
  • Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
  • Salt Lake City (SLC) - San Diego (SAN)
  • Salt Lake City (SLC) - San Jose (SJC)
  • San Diego (SAN) - Portland (PDX)
  • San Diego (SAN) - San Jose (SJC)
  • San Jose (SJC) - Portland (PDX)