Southwest Airlines flight WN 1664: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:00 Los Angeles (LAX) 1 07:30 San Francisco (SFO) 2
WN 1664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-10-02 through 2025-10-31
Sat 06:25 Los Angeles (LAX) 1 07:45 San Francisco (SFO) 2
WN 1664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-04 through 2025-11-01
Sun 06:40 Los Angeles (LAX) 1 08:00 San Francisco (SFO) 2
WN 1664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-05 through 2025-10-26
Tue,Wed 07:25 San Diego (SAN) 1 12:30 Houston Hobby (HOU)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Valid until 2025-06-04
Mon,Thu,Fri 07:35 San Diego (SAN) 1 12:40 Houston Hobby (HOU)
WN 1664 Non-stop Boeing 737-700 (73W) 3:05 Valid until 2025-06-02
Fri 11:50 Oakland (OAK) 2 13:15 Los Angeles (LAX) 1
WN 1664 Non-stop Boeing 737-700 (73W) 1:25 Operates only on 2025-07-04
Sat 11:55 Los Angeles (LAX) 1 17:55 Midway, Chicago (MDW)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-06-07 through 2025-08-02
Tue,Wed 12:00 Los Angeles (LAX) 1 18:05 Midway, Chicago (MDW)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-06-10 through 2025-07-30
Sat 12:10 Houston Hobby (HOU) 14:10 Nashville (BNA)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Valid until 2025-05-31
Mon,Thu,Fri,Sun 12:25 Baltimore (BWI) 14:25 Denver (DEN)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 12:25 Baltimore (BWI) 14:25 Denver (DEN)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-11-21 through 2025-11-28
Fri,Sun 12:25 Baltimore (BWI) 14:25 Denver (DEN)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2025-12-07 through 2025-12-14
Thu 12:25 Baltimore (BWI) 14:25 Denver (DEN)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Operates only on 2025-12-18
Mon 12:25 Baltimore (BWI) 14:25 Denver (DEN)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Operates only on 2026-01-05
Tue,Wed 12:50 Los Angeles (LAX) 1 14:10 San Francisco (SFO) 2
WN 1664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-07 through 2025-10-29
Thu 13:00 Pensacola (PNS) 14:45 Houston Hobby (HOU)
WN 1664 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2025-11-27
Mon,Thu,Fri 13:15 Houston Hobby (HOU) 15:15 Nashville (BNA)
WN 1664 Non-stop Boeing 737-700 (73W) 2:00 Valid until 2025-06-02
Mon,Thu,Fri 13:15 Los Angeles (LAX) 1 19:20 Midway, Chicago (MDW)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 13:15 Los Angeles (LAX) 1 19:20 Midway, Chicago (MDW)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-07-07 through 2025-08-04
Fri 13:55 Los Angeles (LAX) 1 20:00 Midway, Chicago (MDW)
WN 1664 Non-stop Boeing 737-700 (73W) 4:05 Operates only on 2025-07-04
Sun 15:50 Denver (DEN) 20:25 Louisville (SDF)
WN 1664 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2025-08-31
Tue,Wed 16:20 Denver (DEN) 20:55 Louisville (SDF)
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-08-05 through 2025-10-01
Sun 18:40 Las Vegas Harry Reid (LAS) 1 19:50 Santa Ana (SNA)
WN 1664 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 19:05 Denver (DEN) 23:40 Louisville (SDF)
WN 1664 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-08-07 through 2025-09-29
Sat 20:20 Portland (PDX) 23:50 Phoenix Sky Harbor (PHX) 4
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-11-22 through 2025-11-29
Sat 20:20 Portland (PDX) 23:50 Phoenix Sky Harbor (PHX) 4
WN 1664 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-12-20 through 2026-01-03
Sun 20:25 Santa Ana (SNA) 21:40 San Jose (SJC) B
WN 1664 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-08 through 2025-08-03
Mon-Wed 20:35 Portland (PDX) 00:05 Phoenix Sky Harbor (PHX) 4
WN 1664 Non-stop Boeing 737-800 (73H) 2:30 Effective 2025-11-25 through 2025-12-01
The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 20:35 Portland (PDX) 00:05 Phoenix Sky Harbor (PHX) 4
WN 1664 Non-stop Boeing 737-800 (73H) 2:30 Effective 2025-12-19 through 2026-01-04
The flight arrives 1 day after departure.
Sun 21:10 Denver (DEN) 01:45 Louisville (SDF)
WN 1664 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-08-10 through 2025-08-24
The flight arrives 1 day after departure.
Sun 21:10 Denver (DEN) 01:45 Louisville (SDF)
WN 1664 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-09-07 through 2025-09-28
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon,Thu,Fri 07:35 San Diego (SAN) 1 15:15 Nashville (BNA)
WN 1664 1-stop Boeing 737-700 (73W) 5:40 Valid until 2025-06-02
Fri 11:50 Oakland (OAK) 2 20:00 Midway, Chicago (MDW)
WN 1664 1-stop Boeing 737-700 (73W) 6:10 Operates only on 2025-07-04
Sun 18:40 Las Vegas Harry Reid (LAS) 1 21:40 San Jose (SJC) B
WN 1664 1-stop Boeing 737-700 (73W) 3:00 Effective 2025-06-08 through 2025-08-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 1664: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1664
06:00
Los Angeles (LAX) 1

07:30
San Francisco (SFO) 2
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1664
06:25
Los Angeles (LAX) 1

07:45
San Francisco (SFO) 2
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1664
06:40
Los Angeles (LAX) 1

08:00
San Francisco (SFO) 2
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1664
07:25
San Diego (SAN) 1

12:30
Houston Hobby (HOU)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
07:35
San Diego (SAN) 1

12:40
Houston Hobby (HOU)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
11:50
Oakland (OAK) 2

13:15
Los Angeles (LAX) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
11:55
Los Angeles (LAX) 1

17:55
Midway, Chicago (MDW)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:00
Los Angeles (LAX) 1

18:05
Midway, Chicago (MDW)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:10
Houston Hobby (HOU)

14:10
Nashville (BNA)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:25
Baltimore (BWI)

14:25
Denver (DEN)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:25
Baltimore (BWI)

14:25
Denver (DEN)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:25
Baltimore (BWI)

14:25
Denver (DEN)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:25
Baltimore (BWI)

14:25
Denver (DEN)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:25
Baltimore (BWI)

14:25
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
12:50
Los Angeles (LAX) 1

14:10
San Francisco (SFO) 2
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1664
13:00
Pensacola (PNS)

14:45
Houston Hobby (HOU)
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1664
13:15
Houston Hobby (HOU)

15:15
Nashville (BNA)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
13:15
Los Angeles (LAX) 1

19:20
Midway, Chicago (MDW)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
13:15
Los Angeles (LAX) 1

19:20
Midway, Chicago (MDW)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
13:55
Los Angeles (LAX) 1

20:00
Midway, Chicago (MDW)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
15:50
Denver (DEN)

20:25
Louisville (SDF)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1664
16:20
Denver (DEN)

20:55
Louisville (SDF)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
18:40
Las Vegas Harry Reid (LAS) 1

19:50
Santa Ana (SNA)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
19:05
Denver (DEN)

23:40
Louisville (SDF)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
20:20
Portland (PDX)

23:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
20:20
Portland (PDX)

23:50
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1664
20:25
Santa Ana (SNA)

21:40
San Jose (SJC) B
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
20:35
Portland (PDX)

00:05(+1)
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN1664
20:35
Portland (PDX)

00:05(+1)
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN1664
21:10
Denver (DEN)

01:45(+1)
Louisville (SDF)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN1664
21:10
Denver (DEN)

01:45(+1)
Louisville (SDF)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1664
07:35
San Diego (SAN) 1

15:15
Nashville (BNA)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
11:50
Oakland (OAK) 2

20:00
Midway, Chicago (MDW)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN1664
18:40
Las Vegas Harry Reid (LAS) 1

21:40
San Jose (SJC) B
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, 1-stop
Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Denver (DEN)
  • Denver (DEN) - Louisville (SDF)
  • Houston Hobby (HOU) - Nashville (BNA)
  • Las Vegas Harry Reid (LAS) - San Jose (SJC)
  • Las Vegas Harry Reid (LAS) - Santa Ana (SNA)
  • Los Angeles (LAX) - Midway, Chicago (MDW)
  • Los Angeles (LAX) - San Francisco (SFO)
  • Oakland (OAK) - Los Angeles (LAX)
  • Oakland (OAK) - Midway, Chicago (MDW)
  • Pensacola (PNS) - Houston Hobby (HOU)
  • Portland (PDX) - Phoenix Sky Harbor (PHX)
  • San Diego (SAN) - Houston Hobby (HOU)
  • San Diego (SAN) - Nashville (BNA)
  • Santa Ana (SNA) - San Jose (SJC)
All Southwest Airlines flights
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