Southwest Airlines flight WN 3581: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
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
Sun 08:10 San Antonio (SAT) A 11:55 Orlando (MCO)
WN 3581 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-06-07 through 2026-08-02
Mon,Tue,Thu,Fri 09:15 Phoenix Sky Harbor (PHX) 4 11:20 San Jose (SJC) B
WN 3581 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-04 through 2026-09-29
Wed 10:05 Chicago Midway (MDW) 12:00 Grand Rapids (GRR)
WN 3581 Non-stop Boeing 737-700 (Scimitar Winglets) 0:55 Effective 2026-08-05 through 2026-09-30
Mon,Thu,Fri 12:05 San Antonio (SAT) A 15:55 Orlando (MCO)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-06-04 through 2026-08-03
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 Valid until 2026-01-01
Tue,Wed 16:10 Fort Lauderdale (FLL) 1 18:50 Baltimore (BWI)
WN 3581 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-04-07 through 2026-06-03
Sat 16:20 Sarasota/Bradenton (SRQ) 18:50 Baltimore (BWI)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-04-11 through 2026-05-30
Sun 16:35 Dallas Love Field (DAL) 1 18:10 Birmingham (BHM)
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-03-08 through 2026-04-05
Tue,Wed 16:35 San Antonio (SAT) A 20:25 Orlando (MCO)
WN 3581 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 16:40 Fort Lauderdale (FLL) 1 19:15 Baltimore (BWI)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2026-04-09 through 2026-06-01
Tue,Wed 16:45 Las Vegas Harry Reid (LAS) 1 21:30 Kansas City (MCI)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-03-10 through 2026-04-01
Wed,Thu 17:10 Las Vegas Harry Reid (LAS) 1 23:45 Louisville (SDF)
WN 3581 Non-stop Boeing 737-800 (73H) 3:35 Valid until 2026-01-01
Sat 17:15 Memphis (MEM) 18:40 Denver (DEN)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-08-08 through 2026-09-26
Sun 18:35 Baltimore (BWI) 20:45 Phoenix Sky Harbor (PHX) 4
WN 3581 Non-stop Boeing 737-800 (73H) 5:10 Effective 2026-04-12 through 2026-05-17
Sun 18:35 Baltimore (BWI) 20:45 Phoenix Sky Harbor (PHX) 4
WN 3581 Non-stop Boeing 737-800 (73H) 5:10 Operates only on 2026-05-31
Sun 18:40 Baltimore (BWI) 20:50 Phoenix Sky Harbor (PHX) 4
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 5:10 Operates only on 2026-05-24
Sun 18:50 Birmingham (BHM) 21:25 Orlando (MCO)
WN 3581 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-03-08 through 2026-04-05
Sat 19:30 Baltimore (BWI) 21:45 Phoenix Sky Harbor (PHX) 4
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 5:15 Effective 2026-04-11 through 2026-05-30
Sun 19:30 Denver (DEN) 22:55 Houston Hobby (HOU)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-08-09 through 2026-09-27
Tue,Wed 19:40 Baltimore (BWI) 21:55 Phoenix Sky Harbor (PHX) 4
WN 3581 Non-stop Boeing 737-700 (Scimitar Winglets) 5:15 Effective 2026-04-07 through 2026-06-03
Sat 19:40 Baltimore (BWI) 21:45 Albuquerque (ABQ)
WN 3581 Non-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-06-06 through 2026-08-01
Sat 19:50 Boise (BOI) 20:35 Las Vegas Harry Reid (LAS) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 19:55 Baltimore (BWI) 22:40 Los Angeles (LAX) 1
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 20:15 Las Vegas Harry Reid (LAS) 1 00:55 Kansas City (MCI)
WN 3581 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-03-05 through 2026-04-06
The flight arrives 1 day after departure.
Sat 21:15 Las Vegas Harry Reid (LAS) 1 01:55 Kansas City (MCI)
WN 3581 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-03-07 through 2026-04-04
The flight arrives 1 day after departure.
Non-Direct Flights:
Wed,Thu 14:35 San Francisco (SFO) 2 23:45 Louisville (SDF)
WN 3581 1-stop Boeing 737-800 (73H) 6:10 Valid until 2026-01-01
Tue,Wed 16:10 Fort Lauderdale (FLL) 1 21:55 Phoenix Sky Harbor (PHX) 4
WN 3581 1-stop Boeing 737-700 (Scimitar Winglets) 8:45 Effective 2026-04-07 through 2026-06-03
Sat 16:20 Sarasota/Bradenton (SRQ) 21:45 Phoenix Sky Harbor (PHX) 4
WN 3581 1-stop Boeing 737 MAX 8 (7M8) 8:25 Effective 2026-04-11 through 2026-05-30
Sun 16:35 Dallas Love Field (DAL) 1 21:25 Orlando (MCO)
WN 3581 1-stop Boeing 737-800 (73H) 3:50 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 16:40 Fort Lauderdale (FLL) 1 22:40 Los Angeles (LAX) 1
WN 3581 1-stop Boeing 737 MAX 8 (7M8) 9:00 Effective 2026-04-09 through 2026-06-01
Sat 19:50 Boise (BOI) 01:55 Kansas City (MCI)
WN 3581 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-03-07 through 2026-04-04
The flight arrives 1 day after departure.
Ad flat here 1377413384 I FlightWNum Lower
Parallax here
This flight number is listed as serving the following routes:


Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Southwest Airlines flight WN 3581: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3581
05:00
San Francisco (SFO) 2

06:30
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
08:10
San Antonio (SAT) A

11:55
Orlando (MCO)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
09:15
Phoenix Sky Harbor (PHX) 4

11:20
San Jose (SJC) B
Effective 2026-08-04 through 2026-09-29
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3581
10:05
Chicago Midway (MDW)

12:00
Grand Rapids (GRR)
Effective 2026-08-05 through 2026-09-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3581
12:05
San Antonio (SAT) A

15:55
Orlando (MCO)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
14:35
San Francisco (SFO) 2

16:10
Las Vegas Harry Reid (LAS) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
16:10
Fort Lauderdale (FLL) 1

18:50
Baltimore (BWI)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3581
16:20
Sarasota/Bradenton (SRQ)

18:50
Baltimore (BWI)
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
16:35
Dallas Love Field (DAL) 1

18:10
Birmingham (BHM)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
16:35
San Antonio (SAT) A

20:25
Orlando (MCO)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3581
16:40
Fort Lauderdale (FLL) 1

19:15
Baltimore (BWI)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
16:45
Las Vegas Harry Reid (LAS) 1

21:30
Kansas City (MCI)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
17:10
Las Vegas Harry Reid (LAS) 1

23:45
Louisville (SDF)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
17:15
Memphis (MEM)

18:40
Denver (DEN)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
18:35
Baltimore (BWI)

20:45
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
18:35
Baltimore (BWI)

20:45
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
18:40
Baltimore (BWI)

20:50
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
18:50
Birmingham (BHM)

21:25
Orlando (MCO)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3581
19:30
Baltimore (BWI)

21:45
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
19:30
Denver (DEN)

22:55
Houston Hobby (HOU)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
19:40
Baltimore (BWI)

21:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3581
19:40
Baltimore (BWI)

21:45
Albuquerque (ABQ)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3581
19:50
Boise (BOI)

20:35
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
19:55
Baltimore (BWI)

22:40
Los Angeles (LAX) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3581
20:15
Las Vegas Harry Reid (LAS) 1

00:55(+1)
Kansas City (MCI)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN3581
21:15
Las Vegas Harry Reid (LAS) 1

01:55(+1)
Kansas City (MCI)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3581
14:35
San Francisco (SFO) 2

23:45
Louisville (SDF)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3581
16:10
Fort Lauderdale (FLL) 1

21:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3581
16:20
Sarasota/Bradenton (SRQ)

21:45
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:25, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3581
16:35
Dallas Love Field (DAL) 1

21:25
Orlando (MCO)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3581
16:40
Fort Lauderdale (FLL) 1

22:40
Los Angeles (LAX) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 9:00, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3581
19:50
Boise (BOI)

01:55(+1)
Kansas City (MCI)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Albuquerque (ABQ)
  • Baltimore (BWI) - Los Angeles (LAX)
  • Baltimore (BWI) - Phoenix Sky Harbor (PHX)
  • Birmingham (BHM) - Orlando (MCO)
  • Boise (BOI) - Kansas City (MCI)
  • Boise (BOI) - Las Vegas Harry Reid (LAS)
  • Chicago Midway (MDW) - Grand Rapids (GRR)
  • Dallas Love Field (DAL) - Birmingham (BHM)
  • Dallas Love Field (DAL) - Orlando (MCO)
  • Denver (DEN) - Houston Hobby (HOU)
  • Fort Lauderdale (FLL) - Baltimore (BWI)
  • Fort Lauderdale (FLL) - Los Angeles (LAX)
  • Fort Lauderdale (FLL) - Phoenix Sky Harbor (PHX)
  • Las Vegas Harry Reid (LAS) - Kansas City (MCI)
  • Las Vegas Harry Reid (LAS) - Louisville (SDF)
  • Memphis (MEM) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - San Jose (SJC)
  • San Antonio (SAT) - Orlando (MCO)
  • San Francisco (SFO) - Las Vegas Harry Reid (LAS)
  • San Francisco (SFO) - Louisville (SDF)
  • Sarasota/Bradenton (SRQ) - Baltimore (BWI)
  • Sarasota/Bradenton (SRQ) - Phoenix Sky Harbor (PHX)
All Southwest Airlines flights
Feedback     -     Disclaimer     -     Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False