Southwest Airlines flight WN 3811: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:55 Saint Louis (STL) 2 09:00 Baltimore (BWI)
WN 3811 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-08-04 through 2026-09-30
Sun 06:00 Saint Louis (STL) 2 09:05 Baltimore (BWI)
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 06:05 Saint Louis (STL) 2 09:10 Baltimore (BWI)
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-06 through 2026-09-28
Sat 06:45 Saint Louis (STL) 2 09:50 Baltimore (BWI)
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-08 through 2026-09-26
Thu,Fri,Sun 09:50 Saint Louis (STL) 2 11:30 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-01-11 through 2026-01-16
Mon,Sun 09:50 Saint Louis (STL) 2 11:30 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 09:50 Saint Louis (STL) 2 11:30 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-02-01 through 2026-02-06
Mon,Sun 09:50 Saint Louis (STL) 2 11:30 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 09:50 Saint Louis (STL) 2 11:30 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-02-17 through 2026-02-23
Mon 09:50 Saint Louis (STL) 2 11:30 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Operates only on 2026-03-02
Mon,Thu,Fri 09:55 Saint Louis (STL) 2 11:35 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 09:55 Saint Louis (STL) 2 11:35 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-20 through 2026-03-01
Sat 10:15 Saint Louis (STL) 2 11:55 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-02-14 through 2026-02-28
Mon-Fri 10:25 Saint Louis (STL) 2 12:05 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 10:25 Saint Louis (STL) 2 12:05 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-18 through 2026-01-23
Mon-Fri 10:25 Saint Louis (STL) 2 12:05 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 10:25 Saint Louis (STL) 2 12:05 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-08 through 2026-02-11
Tue,Wed 10:25 Saint Louis (STL) 2 12:05 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 12:10 Oklahoma City (OKC) 13:40 Houston Hobby (HOU)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:10 Oklahoma City (OKC) 13:40 Houston Hobby (HOU)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-02-20 through 2026-03-01
Tue,Wed 12:20 Phoenix Sky Harbor (PHX) 4 13:40 Long Beach (LGB)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 12:40 Phoenix Sky Harbor (PHX) 4 14:00 Long Beach (LGB)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-09 through 2026-06-01
Sat 13:45 Saint Louis (STL) 2 15:25 Oklahoma City (OKC)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-01-10 through 2026-02-07
Sun 14:00 Phoenix Sky Harbor (PHX) 4 15:15 Long Beach (LGB)
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-12 through 2026-05-17
Sun 14:00 Phoenix Sky Harbor (PHX) 4 15:15 Long Beach (LGB)
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Operates only on 2026-05-31
Mon,Thu,Fri 14:35 Long Beach (LGB) 15:55 Oakland (OAK) 2
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-04-09 through 2026-06-01
Sat 15:00 Myrtle Beach (MYR) 16:40 Houston Hobby (HOU)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-06-06 through 2026-08-01
Sat 16:00 Oklahoma City (OKC) 19:30 Orlando (MCO)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-01-10 through 2026-02-07
Sun 18:00 Kansas City (MCI) 19:15 Las Vegas Harry Reid (LAS) 1
WN 3811 Non-stop Boeing 737-800 (73H) 3:15 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 18:35 Kansas City (MCI) 19:45 Las Vegas Harry Reid (LAS) 1
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-03-05 through 2026-04-06
Tue,Wed 18:55 Kansas City (MCI) 20:05 Las Vegas Harry Reid (LAS) 1
WN 3811 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-03-10 through 2026-04-01
Sun 20:40 Denver (DEN) 22:15 San Jose (SJC) B
WN 3811 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2026-05-24
Tue,Wed 20:50 Denver (DEN) 21:40 Colorado Springs (COS)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 20:55 Denver (DEN) 21:45 Colorado Springs (COS)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-06-04 through 2026-08-03
Sun 21:10 Denver (DEN) 22:00 Colorado Springs (COS)
WN 3811 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-06-07 through 2026-08-02
Non-Direct Flights:
Mon,Thu,Fri 09:55 Saint Louis (STL) 2 13:40 Houston Hobby (HOU)
WN 3811 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 09:55 Saint Louis (STL) 2 13:40 Houston Hobby (HOU)
WN 3811 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 12:40 Phoenix Sky Harbor (PHX) 4 15:55 Oakland (OAK) 2
WN 3811 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2026-04-09 through 2026-06-01
Sat 13:45 Saint Louis (STL) 2 19:30 Orlando (MCO)
WN 3811 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-01-10 through 2026-02-07
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3811: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3811
05:55
Saint Louis (STL) 2

09:00
Baltimore (BWI)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
06:00
Saint Louis (STL) 2

09:05
Baltimore (BWI)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
06:05
Saint Louis (STL) 2

09:10
Baltimore (BWI)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
06:45
Saint Louis (STL) 2

09:50
Baltimore (BWI)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
09:50
Saint Louis (STL) 2

11:30
Oklahoma City (OKC)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
09:50
Saint Louis (STL) 2

11:30
Oklahoma City (OKC)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
09:50
Saint Louis (STL) 2

11:30
Oklahoma City (OKC)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
09:50
Saint Louis (STL) 2

11:30
Oklahoma City (OKC)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
09:50
Saint Louis (STL) 2

11:30
Oklahoma City (OKC)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
09:50
Saint Louis (STL) 2

11:30
Oklahoma City (OKC)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
09:55
Saint Louis (STL) 2

11:35
Oklahoma City (OKC)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
09:55
Saint Louis (STL) 2

11:35
Oklahoma City (OKC)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
10:15
Saint Louis (STL) 2

11:55
Oklahoma City (OKC)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
10:25
Saint Louis (STL) 2

12:05
Oklahoma City (OKC)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
10:25
Saint Louis (STL) 2

12:05
Oklahoma City (OKC)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
10:25
Saint Louis (STL) 2

12:05
Oklahoma City (OKC)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
10:25
Saint Louis (STL) 2

12:05
Oklahoma City (OKC)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
10:25
Saint Louis (STL) 2

12:05
Oklahoma City (OKC)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
12:10
Oklahoma City (OKC)

13:40
Houston Hobby (HOU)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
12:10
Oklahoma City (OKC)

13:40
Houston Hobby (HOU)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
12:20
Phoenix Sky Harbor (PHX) 4

13:40
Long Beach (LGB)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
12:40
Phoenix Sky Harbor (PHX) 4

14:00
Long Beach (LGB)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
13:45
Saint Louis (STL) 2

15:25
Oklahoma City (OKC)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
14:00
Phoenix Sky Harbor (PHX) 4

15:15
Long Beach (LGB)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
14:00
Phoenix Sky Harbor (PHX) 4

15:15
Long Beach (LGB)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
14:35
Long Beach (LGB)

15:55
Oakland (OAK) 2
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
15:00
Myrtle Beach (MYR)

16:40
Houston Hobby (HOU)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
16:00
Oklahoma City (OKC)

19:30
Orlando (MCO)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
18:00
Kansas City (MCI)

19:15
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
18:35
Kansas City (MCI)

19:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
18:55
Kansas City (MCI)

20:05
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3811
20:40
Denver (DEN)

22:15
San Jose (SJC) B
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3811
20:50
Denver (DEN)

21:40
Colorado Springs (COS)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
20:55
Denver (DEN)

21:45
Colorado Springs (COS)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3811
21:10
Denver (DEN)

22:00
Colorado Springs (COS)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3811
09:55
Saint Louis (STL) 2

13:40
Houston Hobby (HOU)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3811
09:55
Saint Louis (STL) 2

13:40
Houston Hobby (HOU)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3811
12:40
Phoenix Sky Harbor (PHX) 4

15:55
Oakland (OAK) 2
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3811
13:45
Saint Louis (STL) 2

19:30
Orlando (MCO)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Colorado Springs (COS)
  • Denver (DEN) - San Jose (SJC)
  • Kansas City (MCI) - Las Vegas Harry Reid (LAS)
  • Long Beach (LGB) - Oakland (OAK)
  • Myrtle Beach (MYR) - Houston Hobby (HOU)
  • Oklahoma City (OKC) - Houston Hobby (HOU)
  • Oklahoma City (OKC) - Orlando (MCO)
  • Phoenix Sky Harbor (PHX) - Long Beach (LGB)
  • Phoenix Sky Harbor (PHX) - Oakland (OAK)
  • Saint Louis (STL) - Baltimore (BWI)
  • Saint Louis (STL) - Houston Hobby (HOU)
  • Saint Louis (STL) - Oklahoma City (OKC)
  • Saint Louis (STL) - Orlando (MCO)
All Southwest Airlines flights
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