Southwest Airlines flight WN 4665: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 05:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2
WN 4665 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-12 through 2026-05-17
Sun 05:30 Phoenix Sky Harbor (PHX) 4 10:20 Saint Louis (STL) 2
WN 4665 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-05-31
Thu,Fri,Sun 05:45 Fort Lauderdale (FLL) 1 08:00 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-01-11 through 2026-01-16
Mon,Sun 05:45 Fort Lauderdale (FLL) 1 08:00 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 05:45 Fort Lauderdale (FLL) 1 08:00 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-02-01 through 2026-02-06
Mon 05:45 Fort Lauderdale (FLL) 1 08:00 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2026-02-09
Mon,Tue,Thu 05:45 Fort Lauderdale (FLL) 1 08:00 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-02-17 through 2026-02-23
Mon 05:45 Fort Lauderdale (FLL) 1 08:00 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Operates only on 2026-03-02
Tue,Wed 06:25 Oklahoma City (OKC) 06:55 Las Vegas Harry Reid (LAS) 1
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-06-09 through 2026-07-29
Sat 06:40 Fort Lauderdale (FLL) 1 08:50 Chicago Midway (MDW)
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-01-10 through 2026-02-07
Thu 06:55 Las Vegas Harry Reid (LAS) 1 12:00 Saint Louis (STL) 2
WN 4665 Non-stop Boeing 737-700 (73W) 3:05 Valid until 2026-01-01
Mon,Thu,Fri 08:20 Chicago Midway (MDW) 11:30 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 08:20 Chicago Midway (MDW) 11:30 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-20 through 2026-03-01
Thu,Fri,Sun 08:40 Chicago Midway (MDW) 11:50 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 08:40 Chicago Midway (MDW) 11:50 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 08:40 Chicago Midway (MDW) 11:50 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 08:40 Chicago Midway (MDW) 11:50 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 08:40 Chicago Midway (MDW) 11:50 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-17 through 2026-02-23
Mon 08:40 Chicago Midway (MDW) 11:50 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2026-03-02
Sat 09:40 Pittsburgh (PIT) 11:10 Myrtle Beach (MYR)
WN 4665 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-08-08 through 2026-09-26
Mon,Tue,Fri,Sun 10:05 Denver (DEN) 13:05 Dallas Love Field (DAL) 1
WN 4665 Non-stop Boeing 737-800 (73H) 2:00 Valid until 2026-01-04
Mon 12:30 Las Vegas Harry Reid (LAS) 1 17:40 Saint Louis (STL) 2
WN 4665 Non-stop Boeing 737-800 (73H) 3:10 Operates only on 2026-01-05
Mon,Thu,Fri 12:55 Oklahoma City (OKC) 13:30 Las Vegas Harry Reid (LAS) 1
WN 4665 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-06-04 through 2026-08-03
Mon,Tue,Fri,Sun 13:45 Dallas Love Field (DAL) 1 17:15 Orlando (MCO)
WN 4665 Non-stop Boeing 737-800 (73H) 2:30 Valid until 2026-01-04
Tue,Wed 13:45 Seattle-Tacoma (SEA) 16:55 Phoenix Sky Harbor (PHX) 4
WN 4665 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-08-04 through 2026-09-30
Sun 14:40 Seattle-Tacoma (SEA) 17:35 Phoenix Sky Harbor (PHX) 4
WN 4665 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-08-09 through 2026-09-27
Mon-Fri 19:15 Chicago Midway (MDW) 22:20 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 19:15 Chicago Midway (MDW) 22:20 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-01-18 through 2026-01-23
Mon-Fri 19:15 Chicago Midway (MDW) 22:20 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 19:15 Chicago Midway (MDW) 22:20 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-02-08 through 2026-02-11
Tue,Wed 19:15 Chicago Midway (MDW) 22:20 New York LaGuardia (LGA) B
WN 4665 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-02-18 through 2026-03-04
Non-Direct Flights:
Thu,Fri,Sun 05:45 Fort Lauderdale (FLL) 1 11:50 New York LaGuardia (LGA) B
WN 4665 1-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2026-01-11 through 2026-01-16
Mon,Sun 05:45 Fort Lauderdale (FLL) 1 11:50 New York LaGuardia (LGA) B
WN 4665 1-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 05:45 Fort Lauderdale (FLL) 1 11:50 New York LaGuardia (LGA) B
WN 4665 1-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2026-02-01 through 2026-02-06
Mon 05:45 Fort Lauderdale (FLL) 1 11:50 New York LaGuardia (LGA) B
WN 4665 1-stop Boeing 737 MAX 8 (7M8) 6:05 Operates only on 2026-02-09
Mon,Tue,Thu 05:45 Fort Lauderdale (FLL) 1 11:50 New York LaGuardia (LGA) B
WN 4665 1-stop Boeing 737 MAX 8 (7M8) 6:05 Effective 2026-02-17 through 2026-02-23
Mon 05:45 Fort Lauderdale (FLL) 1 11:50 New York LaGuardia (LGA) B
WN 4665 1-stop Boeing 737 MAX 8 (7M8) 6:05 Operates only on 2026-03-02
Mon,Tue,Fri,Sun 10:05 Denver (DEN) 17:15 Orlando (MCO)
WN 4665 1-stop Boeing 737-800 (73H) 5:10 Valid until 2026-01-04
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4665: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4665
05:30
Phoenix Sky Harbor (PHX) 4

10:20
Saint Louis (STL) 2
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
05:30
Phoenix Sky Harbor (PHX) 4

10:20
Saint Louis (STL) 2
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

08:00
Chicago Midway (MDW)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

08:00
Chicago Midway (MDW)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

08:00
Chicago Midway (MDW)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

08:00
Chicago Midway (MDW)
Operates only on 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

08:00
Chicago Midway (MDW)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

08:00
Chicago Midway (MDW)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
06:25
Oklahoma City (OKC)

06:55
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
06:40
Fort Lauderdale (FLL) 1

08:50
Chicago Midway (MDW)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
06:55
Las Vegas Harry Reid (LAS) 1

12:00
Saint Louis (STL) 2
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN4665
08:20
Chicago Midway (MDW)

11:30
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:20
Chicago Midway (MDW)

11:30
New York LaGuardia (LGA) B
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:40
Chicago Midway (MDW)

11:50
New York LaGuardia (LGA) B
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:40
Chicago Midway (MDW)

11:50
New York LaGuardia (LGA) B
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:40
Chicago Midway (MDW)

11:50
New York LaGuardia (LGA) B
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:40
Chicago Midway (MDW)

11:50
New York LaGuardia (LGA) B
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:40
Chicago Midway (MDW)

11:50
New York LaGuardia (LGA) B
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
08:40
Chicago Midway (MDW)

11:50
New York LaGuardia (LGA) B
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
09:40
Pittsburgh (PIT)

11:10
Myrtle Beach (MYR)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
10:05
Denver (DEN)

13:05
Dallas Love Field (DAL) 1
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
12:30
Las Vegas Harry Reid (LAS) 1

17:40
Saint Louis (STL) 2
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
12:55
Oklahoma City (OKC)

13:30
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
13:45
Dallas Love Field (DAL) 1

17:15
Orlando (MCO)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
13:45
Seattle-Tacoma (SEA)

16:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4665
14:40
Seattle-Tacoma (SEA)

17:35
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4665
19:15
Chicago Midway (MDW)

22:20
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
19:15
Chicago Midway (MDW)

22:20
New York LaGuardia (LGA) B
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
19:15
Chicago Midway (MDW)

22:20
New York LaGuardia (LGA) B
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
19:15
Chicago Midway (MDW)

22:20
New York LaGuardia (LGA) B
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4665
19:15
Chicago Midway (MDW)

22:20
New York LaGuardia (LGA) B
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

11:50
New York LaGuardia (LGA) B
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

11:50
New York LaGuardia (LGA) B
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

11:50
New York LaGuardia (LGA) B
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

11:50
New York LaGuardia (LGA) B
Operates only on 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

11:50
New York LaGuardia (LGA) B
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4665
05:45
Fort Lauderdale (FLL) 1

11:50
New York LaGuardia (LGA) B
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:05, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4665
10:05
Denver (DEN)

17:15
Orlando (MCO)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737-800 (73H)
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Parallax here
This flight number is listed as serving the following routes:
  • Chicago Midway (MDW) - New York LaGuardia (LGA)
  • Dallas Love Field (DAL) - Orlando (MCO)
  • Denver (DEN) - Dallas Love Field (DAL)
  • Denver (DEN) - Orlando (MCO)
  • Fort Lauderdale (FLL) - Chicago Midway (MDW)
  • Fort Lauderdale (FLL) - New York LaGuardia (LGA)
  • Las Vegas Harry Reid (LAS) - Saint Louis (STL)
  • Oklahoma City (OKC) - Las Vegas Harry Reid (LAS)
  • Phoenix Sky Harbor (PHX) - Saint Louis (STL)
  • Pittsburgh (PIT) - Myrtle Beach (MYR)
  • Seattle-Tacoma (SEA) - Phoenix Sky Harbor (PHX)
All Southwest Airlines flights
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