Southwest Airlines flight WN 665: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 10:40 Atlanta (ATL) N 11:45 Denver (DEN)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-08-06 through 2026-09-28
Sat 11:50 Atlanta (ATL) N 13:35 Baltimore (BWI)
WN 665 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-08-08 through 2026-09-26
Mon-Fri 13:10 Phoenix Sky Harbor (PHX) 4 13:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 13:10 Phoenix Sky Harbor (PHX) 4 13:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-18 through 2026-01-23
Mon-Fri 13:10 Phoenix Sky Harbor (PHX) 4 13:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-01-26 through 2026-02-04
Sun 13:10 Phoenix Sky Harbor (PHX) 4 13:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2026-02-08
Tue,Wed 13:10 Phoenix Sky Harbor (PHX) 4 13:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-10 through 2026-02-11
Tue,Wed 13:10 Phoenix Sky Harbor (PHX) 4 13:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-18 through 2026-03-04
Tue,Wed 13:20 Atlanta (ATL) N 15:05 Baltimore (BWI)
WN 665 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-08-04 through 2026-09-30
Thu,Fri,Sun 14:15 Phoenix Sky Harbor (PHX) 4 14:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:15 Phoenix Sky Harbor (PHX) 4 14:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:15 Phoenix Sky Harbor (PHX) 4 14:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:15 Phoenix Sky Harbor (PHX) 4 14:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:15 Phoenix Sky Harbor (PHX) 4 14:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:10 Effective 2026-02-17 through 2026-02-23
Mon 14:15 Phoenix Sky Harbor (PHX) 4 14:25 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 1:10 Operates only on 2026-03-02
Sun 14:50 Atlanta (ATL) N 16:40 Baltimore (BWI)
WN 665 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-08-09 through 2026-09-27
Sat 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-01-10 through 2026-01-31
Thu,Fri,Sun 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-01-11 through 2026-01-16
Mon,Sun 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-02-01 through 2026-02-06
Mon,Sun 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-02-17 through 2026-02-23
Mon 15:05 Las Vegas Harry Reid (LAS) 1 20:00 Houston Hobby (HOU)
WN 665 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2026-03-02
Mon 16:25 Austin (AUS) 19:55 Orlando (MCO)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Operates only on 2026-01-05
Sun 17:45 Nashville (BNA) 19:50 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2026-05-24
Sat 18:10 Austin (AUS) 19:10 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-03
Wed,Thu 18:25 Austin (AUS) 21:55 Orlando (MCO)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Valid until 2026-01-01
Mon,Tue,Fri,Sun 18:40 Austin (AUS) 19:40 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Valid until 2026-01-04
Sun 18:55 Nashville (BNA) 21:00 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-04-12 through 2026-05-17
Sun 18:55 Nashville (BNA) 21:00 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2026-05-31
Sat 20:40 Nashville (BNA) 22:50 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-04-11 through 2026-05-30
Thu,Fri 20:45 Portland (PDX) 00:05 Denver (DEN)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-12 through 2026-02-13
The flight arrives 1 day after departure.
Mon 20:45 Portland (PDX) 00:05 Denver (DEN)
WN 665 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-02-16
The flight arrives 1 day after departure.
Thu,Fri,Sun 20:45 Portland (PDX) 00:05 Denver (DEN)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-20 through 2026-03-01
The flight arrives 1 day after departure.
Tue,Wed 20:55 Austin (AUS) 00:05 Tampa (TPA)
WN 665 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-03-10 through 2026-04-01
The flight arrives 1 day after departure.
Tue,Wed 21:00 Nashville (BNA) 23:10 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 21:20 Austin (AUS) 00:30 Tampa (TPA)
WN 665 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-03-05 through 2026-04-06
The flight arrives 1 day after departure.
Sun 21:40 Austin (AUS) 00:50 Tampa (TPA)
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-03-08 through 2026-04-05
The flight arrives 1 day after departure.
Tue,Wed 21:40 Nashville (BNA) 23:55 San Antonio (SAT) A
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 21:45 Nashville (BNA) 23:55 Las Vegas Harry Reid (LAS) 1
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-04-09 through 2026-06-01
Sat 21:55 Nashville (BNA) 00:10 San Antonio (SAT) A
WN 665 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-06-06 through 2026-08-01
The flight arrives 1 day after departure.
Mon,Thu,Fri 22:45 Nashville (BNA) 01:00 San Antonio (SAT) A
WN 665 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-06-04 through 2026-08-03
The flight arrives 1 day after departure.
Sun 22:50 Nashville (BNA) 01:05 San Antonio (SAT) A
WN 665 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-06-07 through 2026-08-02
The flight arrives 1 day after departure.
Non-Direct Flights:
Thu,Fri,Sun 14:15 Phoenix Sky Harbor (PHX) 4 20:00 Houston Hobby (HOU)
WN 665 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:15 Phoenix Sky Harbor (PHX) 4 20:00 Houston Hobby (HOU)
WN 665 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 14:15 Phoenix Sky Harbor (PHX) 4 20:00 Houston Hobby (HOU)
WN 665 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 14:15 Phoenix Sky Harbor (PHX) 4 20:00 Houston Hobby (HOU)
WN 665 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 14:15 Phoenix Sky Harbor (PHX) 4 20:00 Houston Hobby (HOU)
WN 665 1-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-17 through 2026-02-23
Mon 14:15 Phoenix Sky Harbor (PHX) 4 20:00 Houston Hobby (HOU)
WN 665 1-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-03-02
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 665: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN665
10:40
Atlanta (ATL) N

11:45
Denver (DEN)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
11:50
Atlanta (ATL) N

13:35
Baltimore (BWI)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
13:10
Phoenix Sky Harbor (PHX) 4

13:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
13:10
Phoenix Sky Harbor (PHX) 4

13:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
13:10
Phoenix Sky Harbor (PHX) 4

13:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
13:10
Phoenix Sky Harbor (PHX) 4

13:25
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
13:10
Phoenix Sky Harbor (PHX) 4

13:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN665
13:10
Phoenix Sky Harbor (PHX) 4

13:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN665
13:20
Atlanta (ATL) N

15:05
Baltimore (BWI)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

14:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

14:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

14:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

14:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

14:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

14:25
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
14:50
Atlanta (ATL) N

16:40
Baltimore (BWI)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Effective 2026-01-10 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
15:05
Las Vegas Harry Reid (LAS) 1

20:00
Houston Hobby (HOU)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
16:25
Austin (AUS)

19:55
Orlando (MCO)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
17:45
Nashville (BNA)

19:50
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN665
18:10
Austin (AUS)

19:10
Las Vegas Harry Reid (LAS) 1
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
18:25
Austin (AUS)

21:55
Orlando (MCO)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
18:40
Austin (AUS)

19:40
Las Vegas Harry Reid (LAS) 1
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
18:55
Nashville (BNA)

21:00
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
18:55
Nashville (BNA)

21:00
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
20:40
Nashville (BNA)

22:50
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
20:45
Portland (PDX)

00:05(+1)
Denver (DEN)
Effective 2026-02-12 through 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
20:45
Portland (PDX)

00:05(+1)
Denver (DEN)
Operates only on 2026-02-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
20:45
Portland (PDX)

00:05(+1)
Denver (DEN)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
20:55
Austin (AUS)

00:05(+1)
Tampa (TPA)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
21:00
Nashville (BNA)

23:10
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
21:20
Austin (AUS)

00:30(+1)
Tampa (TPA)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
21:40
Austin (AUS)

00:50(+1)
Tampa (TPA)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
21:40
Nashville (BNA)

23:55
San Antonio (SAT) A
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
21:45
Nashville (BNA)

23:55
Las Vegas Harry Reid (LAS) 1
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN665
21:55
Nashville (BNA)

00:10(+1)
San Antonio (SAT) A
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
22:45
Nashville (BNA)

01:00(+1)
San Antonio (SAT) A
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN665
22:50
Nashville (BNA)

01:05(+1)
San Antonio (SAT) A
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

20:00
Houston Hobby (HOU)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

20:00
Houston Hobby (HOU)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

20:00
Houston Hobby (HOU)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

20:00
Houston Hobby (HOU)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

20:00
Houston Hobby (HOU)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN665
14:15
Phoenix Sky Harbor (PHX) 4

20:00
Houston Hobby (HOU)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Baltimore (BWI)
  • Atlanta (ATL) - Denver (DEN)
  • Austin (AUS) - Las Vegas Harry Reid (LAS)
  • Austin (AUS) - Orlando (MCO)
  • Austin (AUS) - Tampa (TPA)
  • Las Vegas Harry Reid (LAS) - Houston Hobby (HOU)
  • Nashville (BNA) - Las Vegas Harry Reid (LAS)
  • Nashville (BNA) - San Antonio (SAT)
  • Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Portland (PDX) - Denver (DEN)
All Southwest Airlines flights
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