Southwest Airlines flight WN 4126: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 10:30 Islip (ISP) 13:20 West Palm Beach (PBI)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2025-06-04
Sun 13:10 Salt Lake City (SLC) 14:05 Long Beach (LGB)
WN 4126 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-08-31
Sat 14:00 Islip (ISP) 16:55 West Palm Beach (PBI)
WN 4126 Non-stop Boeing 737-700 (73W) 2:55 Valid until 2025-05-31
Sat 14:20 Philadelphia (PHL) E 15:25 Midway, Chicago (MDW)
WN 4126 Non-stop Boeing 737-800 (73H) 2:05 Effective 2025-08-09 through 2025-09-27
Sat 16:10 San Jose (SJC) B 18:00 Portland (PDX)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-11-22 through 2025-11-29
Sat 16:10 San Jose (SJC) B 18:00 Portland (PDX)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-12-20 through 2026-01-03
Sat 16:15 Midway, Chicago (MDW) 18:05 Las Vegas Harry Reid (LAS) 1
WN 4126 Non-stop Boeing 737-800 (73H) 3:50 Effective 2025-08-09 through 2025-09-27
Sun 17:10 San Antonio (SAT) A 18:25 Love Field, Dallas (DAL) 1
WN 4126 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2025-05-25
Tue,Wed 17:40 Salt Lake City (SLC) 18:35 Long Beach (LGB)
WN 4126 Non-stop Boeing 737-800 (73H) 1:55 Effective 2025-08-05 through 2025-10-01
Sun 18:05 Salt Lake City (SLC) 18:55 Long Beach (LGB)
WN 4126 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-08-10 through 2025-08-24
Sun 18:05 Salt Lake City (SLC) 18:55 Long Beach (LGB)
WN 4126 Non-stop Boeing 737-800 (73H) 1:50 Effective 2025-09-07 through 2025-09-28
Sat 18:40 Portland (PDX) 22:00 Denver (DEN)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-22 through 2025-11-29
Sat 18:40 Portland (PDX) 22:00 Denver (DEN)
WN 4126 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri 19:05 Islip (ISP) 22:00 West Palm Beach (PBI)
WN 4126 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2025-06-02
Mon-Wed 21:00 Portland (PDX) 00:25 Denver (DEN)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-11-25 through 2025-12-01
The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 21:00 Portland (PDX) 00:25 Denver (DEN)
WN 4126 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-12-19 through 2026-01-04
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 14:20 Philadelphia (PHL) E 18:05 Las Vegas Harry Reid (LAS) 1
WN 4126 1-stop Boeing 737-800 (73H) 6:45 Effective 2025-08-09 through 2025-09-27
Sat 16:10 San Jose (SJC) B 22:00 Denver (DEN)
WN 4126 1-stop Boeing 737 MAX 8 (7M8) 4:50 Effective 2025-11-22 through 2025-11-29
Sat 16:10 San Jose (SJC) B 22:00 Denver (DEN)
WN 4126 1-stop Boeing 737 MAX 8 (7M8) 4:50 Effective 2025-12-20 through 2026-01-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4126: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4126
10:30
Islip (ISP)

13:20
West Palm Beach (PBI)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4126
13:10
Salt Lake City (SLC)

14:05
Long Beach (LGB)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4126
14:00
Islip (ISP)

16:55
West Palm Beach (PBI)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4126
14:20
Philadelphia (PHL) E

15:25
Midway, Chicago (MDW)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
16:10
San Jose (SJC) B

18:00
Portland (PDX)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4126
16:10
San Jose (SJC) B

18:00
Portland (PDX)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4126
16:15
Midway, Chicago (MDW)

18:05
Las Vegas Harry Reid (LAS) 1
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
17:10
San Antonio (SAT) A

18:25
Love Field, Dallas (DAL) 1
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
17:40
Salt Lake City (SLC)

18:35
Long Beach (LGB)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
18:05
Salt Lake City (SLC)

18:55
Long Beach (LGB)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
18:05
Salt Lake City (SLC)

18:55
Long Beach (LGB)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
18:40
Portland (PDX)

22:00
Denver (DEN)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4126
18:40
Portland (PDX)

22:00
Denver (DEN)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4126
19:05
Islip (ISP)

22:00
West Palm Beach (PBI)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
21:00
Portland (PDX)

00:25(+1)
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Southwest Airlines WN4126
21:00
Portland (PDX)

00:25(+1)
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN4126
14:20
Philadelphia (PHL) E

18:05
Las Vegas Harry Reid (LAS) 1
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:45, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN4126
16:10
San Jose (SJC) B

22:00
Denver (DEN)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4126
16:10
San Jose (SJC) B

22:00
Denver (DEN)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:50, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Islip (ISP) - West Palm Beach (PBI)
  • Midway, Chicago (MDW) - Las Vegas Harry Reid (LAS)
  • Philadelphia (PHL) - Las Vegas Harry Reid (LAS)
  • Philadelphia (PHL) - Midway, Chicago (MDW)
  • Portland (PDX) - Denver (DEN)
  • Salt Lake City (SLC) - Long Beach (LGB)
  • San Antonio (SAT) - Love Field, Dallas (DAL)
  • San Jose (SJC) - Denver (DEN)
  • San Jose (SJC) - Portland (PDX)
All Southwest Airlines flights
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