Southwest Airlines flight WN 3581: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-11-02 through 2025-11-16
Sat 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-11-08 through 2025-11-15
Mon,Fri,Sun 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-11-21 through 2025-11-28
Sat 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-12-06 through 2025-12-13
Fri,Sun 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-12-07 through 2025-12-14
Thu 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:30 Operates only on 2025-12-18
Mon 05:00 San Francisco (SFO) 2 06:30 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:30 Operates only on 2026-01-05
Tue,Wed 06:30 Salt Lake City (SLC) 06:55 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-06-04
Sat 07:10 Las Vegas Harry Reid (LAS) 1 12:05 Houston Hobby (HOU)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-11-08 through 2025-11-15
Sat 07:10 Las Vegas Harry Reid (LAS) 1 12:05 Houston Hobby (HOU)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-12-06 through 2025-12-13
Sat 07:45 Luis Munoz Marin, San Juan (SJU) B 10:50 Orlando (MCO)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-08-09 through 2025-09-27
Mon,Thu,Fri 08:15 Luis Munoz Marin, San Juan (SJU) B 11:20 Orlando (MCO)
WN 3581 Non-stop Boeing 737-700 (73W) 3:05 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 09:25 Oakland (OAK) 2 10:50 Long Beach (LGB)
WN 3581 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 09:25 Oakland (OAK) 2 10:50 Long Beach (LGB)
WN 3581 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-07-07 through 2025-08-04
Tue,Wed 10:05 Oakland (OAK) 2 11:30 Long Beach (LGB)
WN 3581 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-10 through 2025-07-30
Sat 10:15 Oakland (OAK) 2 11:40 Long Beach (LGB)
WN 3581 Non-stop Boeing 737-800 (73H) 1:25 Effective 2025-06-07 through 2025-08-02
Sun 10:50 San Diego (SAN) 1 15:40 Austin (AUS)
WN 3581 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2025-11-30
Tue,Wed 12:05 Long Beach (LGB) 15:00 El Paso (ELP)
WN 3581 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 12:15 Orlando (MCO) 13:45 Houston Hobby (HOU)
WN 3581 Non-stop Boeing 737-700 (73W) 2:30 Effective 2025-08-07 through 2025-09-29
Sun 12:40 Oakland (OAK) 2 14:05 Long Beach (LGB)
WN 3581 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-08 through 2025-08-03
Tue,Wed 14:35 San Francisco (SFO) 2 16:10 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:35 San Francisco (SFO) 2 16:10 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 14:35 San Francisco (SFO) 2 16:10 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:35 San Francisco (SFO) 2 16:10 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:35 San Francisco (SFO) 2 16:10 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2025-12-24 through 2026-01-01
Tue,Wed 15:35 El Paso (ELP) 18:30 Houston Hobby (HOU)
WN 3581 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-06-10 through 2025-07-30
Tue,Wed 15:45 Luis Munoz Marin, San Juan (SJU) B 18:50 Orlando (MCO)
WN 3581 Non-stop Boeing 737-800 (73H) 3:05 Effective 2025-08-05 through 2025-10-01
Sun 17:05 Salt Lake City (SLC) 17:35 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2025-05-18
Sun 17:05 Salt Lake City (SLC) 17:35 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2025-06-01
Tue,Wed 17:10 Las Vegas Harry Reid (LAS) 1 23:45 Louisville (SDF)
WN 3581 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 17:10 Las Vegas Harry Reid (LAS) 1 23:45 Louisville (SDF)
WN 3581 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 17:10 Las Vegas Harry Reid (LAS) 1 23:45 Louisville (SDF)
WN 3581 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 17:10 Las Vegas Harry Reid (LAS) 1 23:45 Louisville (SDF)
WN 3581 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 17:10 Las Vegas Harry Reid (LAS) 1 23:45 Louisville (SDF)
WN 3581 Non-stop Boeing 737-800 (73H) 3:35 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri 18:30 Salt Lake City (SLC) 18:55 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737-800 (73H) 1:25 Valid until 2025-06-02
Sat 18:35 Salt Lake City (SLC) 19:00 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Valid until 2025-05-31
Sun 18:40 Las Vegas Harry Reid (LAS) 1 00:10 Midway, Chicago (MDW)
WN 3581 Non-stop Boeing 737-800 (73H) 3:30 Operates only on 2025-05-25
The flight arrives 1 day after departure.
Sun 20:45 Midway, Chicago (MDW) 23:00 Louisville (SDF)
WN 3581 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-08-10 through 2025-08-24
Sun 20:45 Midway, Chicago (MDW) 23:00 Louisville (SDF)
WN 3581 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-09-07 through 2025-09-28
Non-Direct Flights:
Sat 05:00 San Francisco (SFO) 2 12:05 Houston Hobby (HOU)
WN 3581 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-11-08 through 2025-11-15
Sat 05:00 San Francisco (SFO) 2 12:05 Houston Hobby (HOU)
WN 3581 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri 08:15 Luis Munoz Marin, San Juan (SJU) B 13:45 Houston Hobby (HOU)
WN 3581 1-stop Boeing 737-700 (73W) 6:30 Effective 2025-08-07 through 2025-09-29
Tue,Wed 10:05 Oakland (OAK) 2 15:00 El Paso (ELP)
WN 3581 1-stop Boeing 737-700 (73W) 3:55 Effective 2025-06-10 through 2025-07-30
Tue,Wed 12:05 Long Beach (LGB) 18:30 Houston Hobby (HOU)
WN 3581 1-stop Boeing 737-700 (73W) 4:25 Effective 2025-06-10 through 2025-07-30
Tue,Wed 14:35 San Francisco (SFO) 2 23:45 Louisville (SDF)
WN 3581 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:35 San Francisco (SFO) 2 23:45 Louisville (SDF)
WN 3581 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-11-17 through 2025-11-20
Mon-Fri 14:35 San Francisco (SFO) 2 23:45 Louisville (SDF)
WN 3581 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:35 San Francisco (SFO) 2 23:45 Louisville (SDF)
WN 3581 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:35 San Francisco (SFO) 2 23:45 Louisville (SDF)
WN 3581 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-12-24 through 2026-01-01
Tue,Wed 10:05 Oakland (OAK) 2 18:30 Houston Hobby (HOU)
WN 3581 2-stop Boeing 737-700 (73W) 6:25 Effective 2025-06-10 through 2025-07-30
This flight number is listed as serving the following routes:
Southwest Airlines flight WN 3581: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN3581
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
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 WN3581
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN3581
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)

Non-Direct Flights:

Southwest Airlines WN3581
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3581
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (73W)

Southwest Airlines WN3581
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN3581
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:25, 2-stop
Boeing 737-700 (73W)
This flight number is listed as serving the following routes:
  • El Paso (ELP) - Houston Hobby (HOU)
  • Las Vegas Harry Reid (LAS) - Houston Hobby (HOU)
  • Las Vegas Harry Reid (LAS) - Louisville (SDF)
  • Las Vegas Harry Reid (LAS) - Midway, Chicago (MDW)
  • Long Beach (LGB) - El Paso (ELP)
  • Long Beach (LGB) - Houston Hobby (HOU)
  • Luis Munoz Marin, San Juan (SJU) - Houston Hobby (HOU)
  • Luis Munoz Marin, San Juan (SJU) - Orlando (MCO)
  • Midway, Chicago (MDW) - Louisville (SDF)
  • Oakland (OAK) - El Paso (ELP)
  • Oakland (OAK) - Houston Hobby (HOU)
  • Oakland (OAK) - Long Beach (LGB)
  • Orlando (MCO) - Houston Hobby (HOU)
  • Salt Lake City (SLC) - Las Vegas Harry Reid (LAS)
  • San Diego (SAN) - Austin (AUS)
  • San Francisco (SFO) - Houston Hobby (HOU)
  • San Francisco (SFO) - Las Vegas Harry Reid (LAS)
  • San Francisco (SFO) - Louisville (SDF)