Southwest Airlines flight WN 4381: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 11:35 Pensacola (PNS) 13:30 Dallas Love Field (DAL) 1
WN 4381 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Operates only on 2026-01-03
Mon,Thu,Fri 15:35 Denver (DEN) 20:35 Pittsburgh (PIT)
WN 4381 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-06-04 through 2026-08-03
Sat 17:35 Phoenix Sky Harbor (PHX) 4 18:25 Tucson (TUS)
WN 4381 Non-stop Boeing 737 MAX 8 (7M8) 0:50 Effective 2026-08-08 through 2026-09-26
Sun 18:00 Philadelphia (PHL) E 19:10 Nashville (BNA)
WN 4381 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-05-24
Mon,Thu-Sat 18:40 Denver (DEN) 00:25 Boston Logan (BOS) B
WN 4381 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-12 through 2026-02-16
The flight arrives 1 day after departure.
Thu-Sun 18:40 Denver (DEN) 00:25 Boston Logan (BOS) B
WN 4381 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-20 through 2026-03-01
The flight arrives 1 day after departure.
Tue,Wed 19:45 Phoenix Sky Harbor (PHX) 4 20:35 Tucson (TUS)
WN 4381 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 20:45 Phoenix Sky Harbor (PHX) 4 21:35 Tucson (TUS)
WN 4381 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-08-06 through 2026-09-28
Sat 21:40 Chicago Midway (MDW) 00:15 Seattle-Tacoma (SEA)
WN 4381 Non-stop Boeing 737 MAX 8 (7M8) 4:35 Operates only on 2026-03-07
The flight arrives 1 day after departure.
Sun 21:50 Phoenix Sky Harbor (PHX) 4 22:40 Tucson (TUS)
WN 4381 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Effective 2026-08-09 through 2026-09-27
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4381: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4381
11:35
Pensacola (PNS)

13:30
Dallas Love Field (DAL) 1
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4381
15:35
Denver (DEN)

20:35
Pittsburgh (PIT)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4381
17:35
Phoenix Sky Harbor (PHX) 4

18:25
Tucson (TUS)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 0:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4381
18:00
Philadelphia (PHL) E

19:10
Nashville (BNA)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4381
18:40
Denver (DEN)

00:25(+1)
Boston Logan (BOS) B
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN4381
18:40
Denver (DEN)

00:25(+1)
Boston Logan (BOS) B
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN4381
19:45
Phoenix Sky Harbor (PHX) 4

20:35
Tucson (TUS)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4381
20:45
Phoenix Sky Harbor (PHX) 4

21:35
Tucson (TUS)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4381
21:40
Chicago Midway (MDW)

00:15(+1)
Seattle-Tacoma (SEA)
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN4381
21:50
Phoenix Sky Harbor (PHX) 4

22:40
Tucson (TUS)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Chicago Midway (MDW) - Seattle-Tacoma (SEA)
  • Denver (DEN) - Boston Logan (BOS)
  • Denver (DEN) - Pittsburgh (PIT)
  • Pensacola (PNS) - Dallas Love Field (DAL)
  • Philadelphia (PHL) - Nashville (BNA)
  • Phoenix Sky Harbor (PHX) - Tucson (TUS)
All Southwest Airlines flights
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