Southwest Airlines flight WN 3874: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Fri 08:30 Midway, Chicago (MDW) 10:55 Portland (PDX)
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Operates only on 2025-07-04
Mon,Thu,Fri 09:10 Midway, Chicago (MDW) 11:30 Portland (PDX)
WN 3874 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 09:10 Midway, Chicago (MDW) 11:30 Portland (PDX)
WN 3874 Non-stop Boeing 737-700 (73W) 4:20 Effective 2025-07-07 through 2025-08-04
Sat 14:05 Las Vegas Harry Reid (LAS) 1 16:35 Salt Lake City (SLC)
WN 3874 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-05-31
Sun 15:45 Oakland (OAK) 2 17:45 Phoenix Sky Harbor (PHX) 4
WN 3874 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-08-31
Mon,Thu,Fri 17:25 Pittsburgh (PIT) 19:10 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (73W) 4:45 Valid until 2025-06-02
Sun 17:25 Oakland (OAK) 2 19:25 Phoenix Sky Harbor (PHX) 4
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-08-10 through 2025-08-24
Sun 17:25 Oakland (OAK) 2 19:25 Phoenix Sky Harbor (PHX) 4
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 18:40 Oakland (OAK) 2 20:40 Phoenix Sky Harbor (PHX) 4
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-08-07 through 2025-09-29
Sun 18:45 Seattle-Tacoma (SEA) 21:20 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (73W) 2:35 Valid until 2025-05-18
Sun 18:45 Seattle-Tacoma (SEA) 21:20 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (73W) 2:35 Operates only on 2025-06-01
Sun 18:55 Seattle-Tacoma (SEA) 21:25 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-800 (73H) 2:30 Operates only on 2025-05-25
Sat 19:15 Oakland (OAK) 2 20:45 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-08 through 2025-11-15
Sat 19:15 Oakland (OAK) 2 20:45 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-06 through 2025-12-13
Mon,Thu,Fri 19:55 Las Vegas Harry Reid (LAS) 1 22:20 Salt Lake City (SLC)
WN 3874 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2025-06-02
Sun 20:05 Phoenix Sky Harbor (PHX) 4 00:35 Houston Hobby (HOU)
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-08-10 through 2025-08-24
The flight arrives 1 day after departure.
Sun 20:05 Phoenix Sky Harbor (PHX) 4 00:35 Houston Hobby (HOU)
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-09-07 through 2025-09-28
The flight arrives 1 day after departure.
Sun 20:20 Oakland (OAK) 2 21:55 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2025-11-30
Tue,Wed 20:25 Oakland (OAK) 2 22:00 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 20:25 Oakland (OAK) 2 22:00 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 20:25 Oakland (OAK) 2 22:00 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 20:25 Oakland (OAK) 2 22:00 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 20:25 Oakland (OAK) 2 22:00 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-24 through 2026-01-01
Tue,Wed 20:55 Las Vegas Harry Reid (LAS) 1 23:20 Salt Lake City (SLC)
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Valid until 2025-06-04
Mon,Thu,Fri,Sun 21:00 Oakland (OAK) 2 22:30 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 21:00 Oakland (OAK) 2 22:30 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-21 through 2025-11-28
Fri,Sun 21:00 Oakland (OAK) 2 22:30 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-07 through 2025-12-14
Thu 21:00 Oakland (OAK) 2 22:30 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2025-12-18
Mon 21:00 Oakland (OAK) 2 22:30 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-01-05
Mon-Wed 21:20 Oakland (OAK) 2 22:50 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 21:20 Oakland (OAK) 2 22:50 Las Vegas Harry Reid (LAS) 1
WN 3874 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-12-19 through 2026-01-04
Tue,Wed 21:30 Midway, Chicago (MDW) 23:55 Portland (PDX)
WN 3874 Non-stop Boeing 737-700 (73W) 4:25 Effective 2025-06-10 through 2025-07-30
Sun 21:55 Las Vegas Harry Reid (LAS) 1 00:20 Salt Lake City (SLC)
WN 3874 Non-stop Boeing 737-700 (73W) 1:25 Valid until 2025-05-18
The flight arrives 1 day after departure.
Sun 21:55 Las Vegas Harry Reid (LAS) 1 00:20 Salt Lake City (SLC)
WN 3874 Non-stop Boeing 737-700 (73W) 1:25 Operates only on 2025-06-01
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon,Thu,Fri 17:25 Pittsburgh (PIT) 22:20 Salt Lake City (SLC)
WN 3874 1-stop Boeing 737-700 (73W) 6:55 Valid until 2025-06-02
Sun 17:25 Oakland (OAK) 2 00:35 Houston Hobby (HOU)
WN 3874 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2025-08-10 through 2025-08-24
The flight arrives 1 day after departure.
Sun 17:25 Oakland (OAK) 2 00:35 Houston Hobby (HOU)
WN 3874 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2025-09-07 through 2025-09-28
The flight arrives 1 day after departure.
Sun 18:45 Seattle-Tacoma (SEA) 00:20 Salt Lake City (SLC)
WN 3874 1-stop Boeing 737-700 (73W) 4:35 Valid until 2025-05-18
The flight arrives 1 day after departure.
Sun 18:45 Seattle-Tacoma (SEA) 00:20 Salt Lake City (SLC)
WN 3874 1-stop Boeing 737-700 (73W) 4:35 Operates only on 2025-06-01
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3874: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3874
08:30
Midway, Chicago (MDW)

10:55
Portland (PDX)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
09:10
Midway, Chicago (MDW)

11:30
Portland (PDX)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
09:10
Midway, Chicago (MDW)

11:30
Portland (PDX)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
14:05
Las Vegas Harry Reid (LAS) 1

16:35
Salt Lake City (SLC)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
15:45
Oakland (OAK) 2

17:45
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
17:25
Pittsburgh (PIT)

19:10
Las Vegas Harry Reid (LAS) 1
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
17:25
Oakland (OAK) 2

19:25
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
17:25
Oakland (OAK) 2

19:25
Phoenix Sky Harbor (PHX) 4
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
18:40
Oakland (OAK) 2

20:40
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
18:45
Seattle-Tacoma (SEA)

21:20
Las Vegas Harry Reid (LAS) 1
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
18:45
Seattle-Tacoma (SEA)

21:20
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
18:55
Seattle-Tacoma (SEA)

21:25
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3874
19:15
Oakland (OAK) 2

20:45
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
19:15
Oakland (OAK) 2

20:45
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
19:55
Las Vegas Harry Reid (LAS) 1

22:20
Salt Lake City (SLC)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
20:05
Phoenix Sky Harbor (PHX) 4

00:35(+1)
Houston Hobby (HOU)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN3874
20:05
Phoenix Sky Harbor (PHX) 4

00:35(+1)
Houston Hobby (HOU)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN3874
20:20
Oakland (OAK) 2

21:55
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
20:25
Oakland (OAK) 2

22:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
20:25
Oakland (OAK) 2

22:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
20:25
Oakland (OAK) 2

22:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
20:25
Oakland (OAK) 2

22:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
20:25
Oakland (OAK) 2

22:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
20:55
Las Vegas Harry Reid (LAS) 1

23:20
Salt Lake City (SLC)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
21:00
Oakland (OAK) 2

22:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
21:00
Oakland (OAK) 2

22:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
21:00
Oakland (OAK) 2

22:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
21:00
Oakland (OAK) 2

22:30
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
21:00
Oakland (OAK) 2

22:30
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 737-700 (Scimitar Winglets)
Southwest Airlines WN3874
21:20
Oakland (OAK) 2

22:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
21:20
Oakland (OAK) 2

22:50
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3874
21:30
Midway, Chicago (MDW)

23:55
Portland (PDX)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
21:55
Las Vegas Harry Reid (LAS) 1

00:20(+1)
Salt Lake City (SLC)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3874
21:55
Las Vegas Harry Reid (LAS) 1

00:20(+1)
Salt Lake City (SLC)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3874
17:25
Pittsburgh (PIT)

22:20
Salt Lake City (SLC)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:55, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3874
17:25
Oakland (OAK) 2

00:35(+1)
Houston Hobby (HOU)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN3874
17:25
Oakland (OAK) 2

00:35(+1)
Houston Hobby (HOU)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN3874
18:45
Seattle-Tacoma (SEA)

00:20(+1)
Salt Lake City (SLC)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN3874
18:45
Seattle-Tacoma (SEA)

00:20(+1)
Salt Lake City (SLC)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - Salt Lake City (SLC)
  • Midway, Chicago (MDW) - Portland (PDX)
  • Oakland (OAK) - Houston Hobby (HOU)
  • Oakland (OAK) - Las Vegas Harry Reid (LAS)
  • Oakland (OAK) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
  • Pittsburgh (PIT) - Las Vegas Harry Reid (LAS)
  • Pittsburgh (PIT) - Salt Lake City (SLC)
  • Seattle-Tacoma (SEA) - Las Vegas Harry Reid (LAS)
  • Seattle-Tacoma (SEA) - Salt Lake City (SLC)
All Southwest Airlines flights
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