Southwest Airlines flight WN 4178: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 06:00 Phoenix Sky Harbor (PHX) 4 08:00 Sacramento (SMF) B
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-04-12 through 2026-05-17
Sun 06:00 Phoenix Sky Harbor (PHX) 4 08:00 Sacramento (SMF) B
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Operates only on 2026-05-31
Tue,Wed 06:05 Phoenix Sky Harbor (PHX) 4 08:05 Sacramento (SMF) B
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-04-07 through 2026-06-03
Tue,Wed 06:05 New York LaGuardia (LGA) B 08:40 Dallas Love Field (DAL) 1
WN 4178 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-04 through 2026-09-30
Sun 06:05 New York LaGuardia (LGA) B 08:40 Dallas Love Field (DAL) 1
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2026-08-09 through 2026-09-27
Tue,Wed 07:00 Las Vegas Harry Reid (LAS) 1 11:40 San Antonio (SAT) A
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-06-09 through 2026-07-29
Sat 07:00 New York LaGuardia (LGA) B 09:35 Dallas Love Field (DAL) 1
WN 4178 Non-stop Boeing 737-800 (73H) 3:35 Effective 2026-08-08 through 2026-09-26
Sun 09:50 Reno (RNO) 13:05 Denver (DEN)
WN 4178 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-06-07 through 2026-08-02
Mon 11:45 Raleigh/Durham (RDU) 1 13:55 Houston Hobby (HOU)
WN 4178 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Operates only on 2026-01-05
Mon,Thu,Fri 12:50 Savannah (SAV) 13:25 Nashville (BNA)
WN 4178 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-04-09 through 2026-06-01
Mon,Tue,Fri,Sun 16:05 Raleigh/Durham (RDU) 1 18:10 Houston Hobby (HOU)
WN 4178 Non-stop Boeing 737-800 (73H) 3:05 Valid until 2026-01-04
Mon,Thu,Fri 16:20 Phoenix Sky Harbor (PHX) 4 19:35 Dallas Love Field (DAL) 1
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 16:20 Phoenix Sky Harbor (PHX) 4 19:35 Dallas Love Field (DAL) 1
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-20 through 2026-03-01
Wed,Thu 17:15 Raleigh/Durham (RDU) 1 19:20 Houston Hobby (HOU)
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Valid until 2026-01-01
Sat 19:55 Santa Ana (SNA) 23:10 Denver (DEN)
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 20:00 New York LaGuardia (LGA) B 22:40 Dallas Love Field (DAL) 1
WN 4178 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-08-06 through 2026-09-28
Sat 20:05 Raleigh/Durham (RDU) 1 22:10 Houston Hobby (HOU)
WN 4178 Non-stop Boeing 737-800 (73H) 3:05 Valid until 2026-01-03
Mon,Thu,Fri 20:15 Dallas Love Field (DAL) 1 23:30 Tampa (TPA)
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:15 Dallas Love Field (DAL) 1 23:30 Tampa (TPA)
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-20 through 2026-03-01
Sat 21:00 Tampa (TPA) 22:55 Milwaukee (MKE)
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-03-07 through 2026-04-04
Sun 22:10 Tampa (TPA) 00:05 Milwaukee (MKE)
WN 4178 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-03-08 through 2026-04-05
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon,Thu,Fri 16:20 Phoenix Sky Harbor (PHX) 4 23:30 Tampa (TPA)
WN 4178 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 16:20 Phoenix Sky Harbor (PHX) 4 23:30 Tampa (TPA)
WN 4178 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2026-02-20 through 2026-03-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4178: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4178
06:00
Phoenix Sky Harbor (PHX) 4

08:00
Sacramento (SMF) B
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
06:00
Phoenix Sky Harbor (PHX) 4

08:00
Sacramento (SMF) B
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
06:05
Phoenix Sky Harbor (PHX) 4

08:05
Sacramento (SMF) B
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
06:05
New York LaGuardia (LGA) B

08:40
Dallas Love Field (DAL) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4178
06:05
New York LaGuardia (LGA) B

08:40
Dallas Love Field (DAL) 1
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
07:00
Las Vegas Harry Reid (LAS) 1

11:40
San Antonio (SAT) A
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
07:00
New York LaGuardia (LGA) B

09:35
Dallas Love Field (DAL) 1
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4178
09:50
Reno (RNO)

13:05
Denver (DEN)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4178
11:45
Raleigh/Durham (RDU) 1

13:55
Houston Hobby (HOU)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4178
12:50
Savannah (SAV)

13:25
Nashville (BNA)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4178
16:05
Raleigh/Durham (RDU) 1

18:10
Houston Hobby (HOU)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4178
16:20
Phoenix Sky Harbor (PHX) 4

19:35
Dallas Love Field (DAL) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
16:20
Phoenix Sky Harbor (PHX) 4

19:35
Dallas Love Field (DAL) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
17:15
Raleigh/Durham (RDU) 1

19:20
Houston Hobby (HOU)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
19:55
Santa Ana (SNA)

23:10
Denver (DEN)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
20:00
New York LaGuardia (LGA) B

22:40
Dallas Love Field (DAL) 1
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4178
20:05
Raleigh/Durham (RDU) 1

22:10
Houston Hobby (HOU)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4178
20:15
Dallas Love Field (DAL) 1

23:30
Tampa (TPA)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
20:15
Dallas Love Field (DAL) 1

23:30
Tampa (TPA)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
21:00
Tampa (TPA)

22:55
Milwaukee (MKE)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4178
22:10
Tampa (TPA)

00:05(+1)
Milwaukee (MKE)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN4178
16:20
Phoenix Sky Harbor (PHX) 4

23:30
Tampa (TPA)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4178
16:20
Phoenix Sky Harbor (PHX) 4

23:30
Tampa (TPA)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Dallas Love Field (DAL) - Tampa (TPA)
  • Las Vegas Harry Reid (LAS) - San Antonio (SAT)
  • New York LaGuardia (LGA) - Dallas Love Field (DAL)
  • Phoenix Sky Harbor (PHX) - Dallas Love Field (DAL)
  • Phoenix Sky Harbor (PHX) - Sacramento (SMF)
  • Phoenix Sky Harbor (PHX) - Tampa (TPA)
  • Raleigh/Durham (RDU) - Houston Hobby (HOU)
  • Reno (RNO) - Denver (DEN)
  • Santa Ana (SNA) - Denver (DEN)
  • Savannah (SAV) - Nashville (BNA)
  • Tampa (TPA) - Milwaukee (MKE)
All Southwest Airlines flights
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