Southwest Airlines flight WN 3451: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:50 Sacramento (SMF) B 11:45 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-06-10 through 2025-07-30
Tue,Wed 06:10 Love Field, Dallas (DAL) 1 07:00 Las Vegas Harry Reid (LAS) 1
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-10-07 through 2025-10-29
Sun 06:20 Tampa (TPA) 08:00 Love Field, Dallas (DAL) 1
WN 3451 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-10-05 through 2025-10-26
Sun 07:25 Burbank (BUR) 08:50 Reno (RNO)
WN 3451 Non-stop Boeing 737-700 (73W) 1:25 Effective 2025-06-08 through 2025-08-03
Sat 07:45 Pittsburgh (PIT) 09:35 Love Field, Dallas (DAL) 1
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-10-04 through 2025-11-01
Sun 08:40 Love Field, Dallas (DAL) 1 09:30 Las Vegas Harry Reid (LAS) 1
WN 3451 Non-stop Boeing 737-800 (73H) 2:50 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 09:05 Love Field, Dallas (DAL) 1 10:00 Las Vegas Harry Reid (LAS) 1
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-10-02 through 2025-10-31
Tue,Wed 09:35 Houston Hobby (HOU) 10:15 Phoenix Sky Harbor (PHX) 4
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-08-05 through 2025-10-01
Sat 10:15 Love Field, Dallas (DAL) 1 11:10 Las Vegas Harry Reid (LAS) 1
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-10-04 through 2025-11-01
Tue,Wed 10:55 Phoenix Sky Harbor (PHX) 4 13:40 Colorado Springs (COS)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-08-05 through 2025-10-01
Tue,Wed 11:30 Pensacola (PNS) 13:40 Kansas City (MCI)
WN 3451 Non-stop Boeing 737-800 (73H) 2:10 Valid until 2025-06-04
Tue,Wed 12:25 Midway, Chicago (MDW) 14:40 Love Field, Dallas (DAL) 1
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 15:15 Pensacola (PNS) 17:25 Kansas City (MCI)
WN 3451 Non-stop Boeing 737-800 (73H) 2:10 Valid until 2025-06-02
Mon,Thu,Fri 15:20 Sacramento (SMF) B 21:15 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 15:20 Sacramento (SMF) B 21:15 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-07-07 through 2025-08-04
Sun 16:05 Pensacola (PNS) 18:15 Kansas City (MCI)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Valid until 2025-05-18
Sun 16:05 Pensacola (PNS) 18:15 Kansas City (MCI)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2025-06-01
Sun 16:30 Cleveland Hopkins (CLE) 17:45 Phoenix Sky Harbor (PHX) 4
WN 3451 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-08-10 through 2025-08-24
Sun 16:30 Cleveland Hopkins (CLE) 17:45 Phoenix Sky Harbor (PHX) 4
WN 3451 Non-stop Boeing 737-800 (73H) 4:15 Effective 2025-09-07 through 2025-09-28
Sat 16:45 Cleveland Hopkins (CLE) 17:55 Phoenix Sky Harbor (PHX) 4
WN 3451 Non-stop Boeing 737-800 (73H) 4:10 Effective 2025-08-09 through 2025-09-27
Sun 16:50 Cleveland Hopkins (CLE) 18:00 Phoenix Sky Harbor (PHX) 4
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Operates only on 2025-08-31
Mon,Thu,Fri 17:15 Cleveland Hopkins (CLE) 18:25 Phoenix Sky Harbor (PHX) 4
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 19:05 Phoenix Sky Harbor (PHX) 4 21:45 Colorado Springs (COS)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Effective 2025-08-07 through 2025-09-29
Sun 19:15 Pensacola (PNS) 21:25 Kansas City (MCI)
WN 3451 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2025-05-25
Sat 21:40 New York LaGuardia (LGA) B 23:10 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-11-22 through 2025-11-29
Sat 21:40 New York LaGuardia (LGA) B 23:10 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-12-20 through 2026-01-03
Mon-Wed 21:50 New York LaGuardia (LGA) B 23:15 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 21:50 New York LaGuardia (LGA) B 23:15 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-12-19 through 2026-01-04
Mon-Fri,Sun 21:55 New York LaGuardia (LGA) B 23:20 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-11-02 through 2025-11-24
Tue-Fri,Sun 21:55 New York LaGuardia (LGA) B 23:20 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-11-28 through 2025-12-07
Mon-Fri,Sun 21:55 New York LaGuardia (LGA) B 23:20 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-12-08 through 2025-12-18
Wed,Thu 21:55 New York LaGuardia (LGA) B 23:20 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-12-24 through 2026-01-01
Mon 21:55 New York LaGuardia (LGA) B 23:20 Midway, Chicago (MDW)
WN 3451 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Operates only on 2026-01-05
Non-Direct Flights:
Tue,Wed 05:50 Sacramento (SMF) B 14:40 Love Field, Dallas (DAL) 1
WN 3451 1-stop Boeing 737 MAX 8 (7M8) 6:50 Effective 2025-06-10 through 2025-07-30
Sun 06:20 Tampa (TPA) 09:30 Las Vegas Harry Reid (LAS) 1
WN 3451 1-stop Boeing 737-800 (73H) 6:10 Effective 2025-10-05 through 2025-10-26
Sat 07:45 Pittsburgh (PIT) 11:10 Las Vegas Harry Reid (LAS) 1
WN 3451 1-stop Boeing 737 MAX 8 (7M8) 6:25 Effective 2025-10-04 through 2025-11-01
Tue,Wed 09:35 Houston Hobby (HOU) 13:40 Colorado Springs (COS)
WN 3451 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 17:15 Cleveland Hopkins (CLE) 21:45 Colorado Springs (COS)
WN 3451 1-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2025-08-07 through 2025-09-29
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3451: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3451
05:50
Sacramento (SMF) B

11:45
Midway, Chicago (MDW)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
06:10
Love Field, Dallas (DAL) 1

07:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
06:20
Tampa (TPA)

08:00
Love Field, Dallas (DAL) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
07:25
Burbank (BUR)

08:50
Reno (RNO)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3451
07:45
Pittsburgh (PIT)

09:35
Love Field, Dallas (DAL) 1
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
08:40
Love Field, Dallas (DAL) 1

09:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
09:05
Love Field, Dallas (DAL) 1

10:00
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
09:35
Houston Hobby (HOU)

10:15
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
10:15
Love Field, Dallas (DAL) 1

11:10
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
10:55
Phoenix Sky Harbor (PHX) 4

13:40
Colorado Springs (COS)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
11:30
Pensacola (PNS)

13:40
Kansas City (MCI)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
12:25
Midway, Chicago (MDW)

14:40
Love Field, Dallas (DAL) 1
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
15:15
Pensacola (PNS)

17:25
Kansas City (MCI)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
15:20
Sacramento (SMF) B

21:15
Midway, Chicago (MDW)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
15:20
Sacramento (SMF) B

21:15
Midway, Chicago (MDW)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
16:05
Pensacola (PNS)

18:15
Kansas City (MCI)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
16:05
Pensacola (PNS)

18:15
Kansas City (MCI)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
16:30
Cleveland Hopkins (CLE)

17:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
16:30
Cleveland Hopkins (CLE)

17:45
Phoenix Sky Harbor (PHX) 4
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
16:45
Cleveland Hopkins (CLE)

17:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
16:50
Cleveland Hopkins (CLE)

18:00
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
17:15
Cleveland Hopkins (CLE)

18:25
Phoenix Sky Harbor (PHX) 4
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
19:05
Phoenix Sky Harbor (PHX) 4

21:45
Colorado Springs (COS)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
19:15
Pensacola (PNS)

21:25
Kansas City (MCI)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
21:40
New York LaGuardia (LGA) B

23:10
Midway, Chicago (MDW)
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 WN3451
21:40
New York LaGuardia (LGA) B

23:10
Midway, Chicago (MDW)
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 WN3451
21:50
New York LaGuardia (LGA) B

23:15
Midway, Chicago (MDW)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3451
21:50
New York LaGuardia (LGA) B

23:15
Midway, Chicago (MDW)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3451
21:55
New York LaGuardia (LGA) B

23:20
Midway, Chicago (MDW)
Effective 2025-11-02 through 2025-11-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3451
21:55
New York LaGuardia (LGA) B

23:20
Midway, Chicago (MDW)
Effective 2025-11-28 through 2025-12-07
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3451
21:55
New York LaGuardia (LGA) B

23:20
Midway, Chicago (MDW)
Effective 2025-12-08 through 2025-12-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3451
21:55
New York LaGuardia (LGA) B

23:20
Midway, Chicago (MDW)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3451
21:55
New York LaGuardia (LGA) B

23:20
Midway, Chicago (MDW)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3451
05:50
Sacramento (SMF) B

14:40
Love Field, Dallas (DAL) 1
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:50, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
06:20
Tampa (TPA)

09:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:10, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN3451
07:45
Pittsburgh (PIT)

11:10
Las Vegas Harry Reid (LAS) 1
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
09:35
Houston Hobby (HOU)

13:40
Colorado Springs (COS)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3451
17:15
Cleveland Hopkins (CLE)

21:45
Colorado Springs (COS)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:30, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Burbank (BUR) - Reno (RNO)
  • Cleveland Hopkins (CLE) - Colorado Springs (COS)
  • Cleveland Hopkins (CLE) - Phoenix Sky Harbor (PHX)
  • Houston Hobby (HOU) - Colorado Springs (COS)
  • Houston Hobby (HOU) - Phoenix Sky Harbor (PHX)
  • Love Field, Dallas (DAL) - Las Vegas Harry Reid (LAS)
  • Midway, Chicago (MDW) - Love Field, Dallas (DAL)
  • New York LaGuardia (LGA) - Midway, Chicago (MDW)
  • Pensacola (PNS) - Kansas City (MCI)
  • Phoenix Sky Harbor (PHX) - Colorado Springs (COS)
  • Pittsburgh (PIT) - Las Vegas Harry Reid (LAS)
  • Pittsburgh (PIT) - Love Field, Dallas (DAL)
  • Sacramento (SMF) - Love Field, Dallas (DAL)
  • Sacramento (SMF) - Midway, Chicago (MDW)
  • Tampa (TPA) - Las Vegas Harry Reid (LAS)
  • Tampa (TPA) - Love Field, Dallas (DAL)
All Southwest Airlines flights
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