Southwest Airlines flight WN 3512: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 07:30 Las Vegas Harry Reid (LAS) 1 10:25 Denver (DEN)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-10-04 through 2025-11-01
Sun 07:40 Las Vegas Harry Reid (LAS) 1 10:40 Denver (DEN)
WN 3512 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 07:50 Las Vegas Harry Reid (LAS) 1 10:50 Denver (DEN)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2025-10-02 through 2025-10-31
Tue,Wed 08:05 Las Vegas Harry Reid (LAS) 1 11:10 Denver (DEN)
WN 3512 Non-stop Boeing 737-800 (73H) 2:05 Effective 2025-10-07 through 2025-10-29
Sat 10:50 Love Field, Dallas (DAL) 1 14:20 Myrtle Beach (MYR)
WN 3512 Non-stop Boeing 737-700 (73W) 2:30 Effective 2025-08-09 through 2025-09-27
Mon-Wed 11:00 Oklahoma City (OKC) 12:25 San Antonio (SAT) A
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 11:00 Oklahoma City (OKC) 12:25 San Antonio (SAT) A
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-12-19 through 2026-01-04
Fri 12:35 Santa Ana (SNA) 15:55 Denver (DEN)
WN 3512 Non-stop Boeing 737-700 (73W) 2:20 Operates only on 2025-07-04
Tue,Wed 14:25 Denver (DEN) 17:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:25 Denver (DEN) 17:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-11-17 through 2025-11-20
Mon-Fri 14:25 Denver (DEN) 17:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:25 Denver (DEN) 17:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:25 Denver (DEN) 17:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-12-24 through 2026-01-01
Sat 15:40 Denver (DEN) 19:00 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-08 through 2025-11-15
Sat 15:40 Denver (DEN) 19:00 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-06 through 2025-12-13
Sun 15:55 Myrtle Beach (MYR) 17:25 Pittsburgh (PIT)
WN 3512 Non-stop Boeing 737-800 (73H) 1:30 Effective 2025-06-08 through 2025-08-03
Sun 17:50 Detroit (DTW) E 18:45 Denver (DEN)
WN 3512 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2025-08-31
Sat 17:55 Myrtle Beach (MYR) 19:25 Pittsburgh (PIT)
WN 3512 Non-stop Boeing 737-700 (73W) 1:30 Effective 2025-06-07 through 2025-08-02
Sun 19:30 Denver (DEN) 20:30 Phoenix Sky Harbor (PHX) 4
WN 3512 Non-stop Boeing 737-800 (73H) 2:00 Operates only on 2025-08-31
Mon,Thu,Fri,Sun 20:30 Denver (DEN) 23:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 20:30 Denver (DEN) 23:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-21 through 2025-11-28
Fri,Sun 20:30 Denver (DEN) 23:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-07 through 2025-12-14
Thu 20:30 Denver (DEN) 23:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-12-18
Mon 20:30 Denver (DEN) 23:50 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-01-05
Sat 20:45 Houston Hobby (HOU) 22:00 Albuquerque (ABQ)
WN 3512 Non-stop Boeing 737-700 (73W) 2:15 Valid until 2025-05-24
Sat,Sun 20:45 Houston Hobby (HOU) 22:00 Albuquerque (ABQ)
WN 3512 Non-stop Boeing 737-700 (73W) 2:15 Effective 2025-05-25 through 2025-05-31
Sun 20:45 Denver (DEN) 00:05 Houston Hobby (HOU)
WN 3512 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2025-11-30
The flight arrives 1 day after departure.
Mon,Thu,Fri 21:00 Houston Hobby (HOU) 22:20 Albuquerque (ABQ)
WN 3512 Non-stop Boeing 737-700 (73W) 2:20 Valid until 2025-06-02
Sun 22:40 Houston Hobby (HOU) 23:55 Albuquerque (ABQ)
WN 3512 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2025-05-18
Sun 22:40 Houston Hobby (HOU) 23:55 Albuquerque (ABQ)
WN 3512 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2025-06-01
Non-Direct Flights:
Sun 17:50 Detroit (DTW) E 20:30 Phoenix Sky Harbor (PHX) 4
WN 3512 1-stop Boeing 737-800 (73H) 5:40 Operates only on 2025-08-31
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3512: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3512
07:30
Las Vegas Harry Reid (LAS) 1

10:25
Denver (DEN)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
07:40
Las Vegas Harry Reid (LAS) 1

10:40
Denver (DEN)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3512
07:50
Las Vegas Harry Reid (LAS) 1

10:50
Denver (DEN)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
08:05
Las Vegas Harry Reid (LAS) 1

11:10
Denver (DEN)
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3512
10:50
Love Field, Dallas (DAL) 1

14:20
Myrtle Beach (MYR)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3512
11:00
Oklahoma City (OKC)

12:25
San Antonio (SAT) A
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
11:00
Oklahoma City (OKC)

12:25
San Antonio (SAT) A
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
12:35
Santa Ana (SNA)

15:55
Denver (DEN)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3512
14:25
Denver (DEN)

17:50
Houston Hobby (HOU)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
14:25
Denver (DEN)

17:50
Houston Hobby (HOU)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
14:25
Denver (DEN)

17:50
Houston Hobby (HOU)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
14:25
Denver (DEN)

17:50
Houston Hobby (HOU)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
14:25
Denver (DEN)

17:50
Houston Hobby (HOU)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
15:40
Denver (DEN)

19:00
Houston Hobby (HOU)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
15:40
Denver (DEN)

19:00
Houston Hobby (HOU)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
15:55
Myrtle Beach (MYR)

17:25
Pittsburgh (PIT)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3512
17:50
Detroit (DTW) E

18:45
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3512
17:55
Myrtle Beach (MYR)

19:25
Pittsburgh (PIT)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3512
19:30
Denver (DEN)

20:30
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3512
20:30
Denver (DEN)

23:50
Houston Hobby (HOU)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
20:30
Denver (DEN)

23:50
Houston Hobby (HOU)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
20:30
Denver (DEN)

23:50
Houston Hobby (HOU)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
20:30
Denver (DEN)

23:50
Houston Hobby (HOU)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
20:30
Denver (DEN)

23:50
Houston Hobby (HOU)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3512
20:45
Houston Hobby (HOU)

22:00
Albuquerque (ABQ)
Valid until 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3512
20:45
Houston Hobby (HOU)

22:00
Albuquerque (ABQ)
Effective 2025-05-25 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 2:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3512
20:45
Denver (DEN)

00:05(+1)
Houston Hobby (HOU)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Southwest Airlines WN3512
21:00
Houston Hobby (HOU)

22:20
Albuquerque (ABQ)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3512
22:40
Houston Hobby (HOU)

23:55
Albuquerque (ABQ)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3512
22:40
Houston Hobby (HOU)

23:55
Albuquerque (ABQ)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3512
17:50
Detroit (DTW) E

20:30
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:40, 1-stop
Boeing 737-800 (73H)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Houston Hobby (HOU)
  • Denver (DEN) - Phoenix Sky Harbor (PHX)
  • Detroit (DTW) - Denver (DEN)
  • Detroit (DTW) - Phoenix Sky Harbor (PHX)
  • Houston Hobby (HOU) - Albuquerque (ABQ)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Love Field, Dallas (DAL) - Myrtle Beach (MYR)
  • Myrtle Beach (MYR) - Pittsburgh (PIT)
  • Oklahoma City (OKC) - San Antonio (SAT)
  • Santa Ana (SNA) - Denver (DEN)
All Southwest Airlines flights
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