Southwest Airlines flight WN 4456: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 06:25 Las Vegas Harry Reid (LAS) 1 12:00 Midway, Chicago (MDW)
WN 4456 Non-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2025-10-04 through 2025-10-25
Sun 07:45 Reno (RNO) 13:05 Love Field, Dallas (DAL) 1
WN 4456 Non-stop Boeing 737-700 (Scimitar Winglets) 3:20 Operates only on 2025-11-30
Mon,Thu,Fri 07:55 Houston Hobby (HOU) 08:45 Austin (AUS)
WN 4456 Non-stop Boeing 737-700 (73W) 0:50 Effective 2025-08-07 through 2025-09-29
Sun 08:25 Houston Hobby (HOU) 09:20 Austin (AUS)
WN 4456 Non-stop Boeing 737-700 (73W) 0:55 Effective 2025-08-10 through 2025-08-24
Sun 08:25 Houston Hobby (HOU) 09:20 Austin (AUS)
WN 4456 Non-stop Boeing 737-700 (73W) 0:55 Effective 2025-09-07 through 2025-09-28
Sat 08:55 Houston Hobby (HOU) 09:50 Austin (AUS)
WN 4456 Non-stop Boeing 737-800 (73H) 0:55 Effective 2025-08-09 through 2025-09-27
Sun 09:55 Austin (AUS) 11:35 San Francisco (SFO) 2
WN 4456 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-08-10 through 2025-08-24
Sun 09:55 Austin (AUS) 11:35 San Francisco (SFO) 2
WN 4456 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-09-07 through 2025-09-28
Tue,Wed 11:20 Houston Hobby (HOU) 12:15 Austin (AUS)
WN 4456 Non-stop Boeing 737 MAX 8 (7M8) 0:55 Effective 2025-08-05 through 2025-10-01
Sat 12:55 Midway, Chicago (MDW) 16:45 Fort Lauderdale (FLL) 1
WN 4456 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2025-10-04 through 2025-10-25
Mon-Wed 15:30 Houston Hobby (HOU) 17:30 Kansas City (MCI)
WN 4456 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 15:30 Houston Hobby (HOU) 17:30 Kansas City (MCI)
WN 4456 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-12-19 through 2026-01-04
Sun 16:10 Austin (AUS) 17:55 San Francisco (SFO) 2
WN 4456 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2025-08-31
Sat 16:50 Albany (ALB) 19:50 Orlando (MCO)
WN 4456 Non-stop Boeing 737-700 (73W) 3:00 Effective 2025-06-07 through 2025-08-02
Mon-Wed 18:05 Kansas City (MCI) 18:55 Denver (DEN)
WN 4456 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 18:05 Kansas City (MCI) 18:55 Denver (DEN)
WN 4456 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-19 through 2026-01-04
Sat 19:05 Kansas City (MCI) 19:55 Denver (DEN)
WN 4456 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-11-22 through 2025-11-29
Sat 19:05 Kansas City (MCI) 19:55 Denver (DEN)
WN 4456 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-12-20 through 2026-01-03
Sun 20:15 John Glenn Columbus (CMH) 22:30 Tampa (TPA)
WN 4456 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-05 through 2025-10-26
Non-Direct Flights:
Sat 06:25 Las Vegas Harry Reid (LAS) 1 16:45 Fort Lauderdale (FLL) 1
WN 4456 1-stop Boeing 737 MAX 8 (7M8) 7:20 Effective 2025-10-04 through 2025-10-25
Sun 08:25 Houston Hobby (HOU) 11:35 San Francisco (SFO) 2
WN 4456 1-stop Boeing 737-700 (73W) 5:10 Effective 2025-08-10 through 2025-08-24
Sun 08:25 Houston Hobby (HOU) 11:35 San Francisco (SFO) 2
WN 4456 1-stop Boeing 737-700 (73W) 5:10 Effective 2025-09-07 through 2025-09-28
Mon-Wed 15:30 Houston Hobby (HOU) 18:55 Denver (DEN)
WN 4456 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 15:30 Houston Hobby (HOU) 18:55 Denver (DEN)
WN 4456 1-stop Boeing 737-700 (Scimitar Winglets) 4:25 Effective 2025-12-19 through 2026-01-04
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4456: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4456
06:25
Las Vegas Harry Reid (LAS) 1

12:00
Midway, Chicago (MDW)
Effective 2025-10-04 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
07:45
Reno (RNO)

13:05
Love Field, Dallas (DAL) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4456
07:55
Houston Hobby (HOU)

08:45
Austin (AUS)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
08:25
Houston Hobby (HOU)

09:20
Austin (AUS)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
08:25
Houston Hobby (HOU)

09:20
Austin (AUS)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
08:55
Houston Hobby (HOU)

09:50
Austin (AUS)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 0:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4456
09:55
Austin (AUS)

11:35
San Francisco (SFO) 2
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
09:55
Austin (AUS)

11:35
San Francisco (SFO) 2
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
11:20
Houston Hobby (HOU)

12:15
Austin (AUS)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
12:55
Midway, Chicago (MDW)

16:45
Fort Lauderdale (FLL) 1
Effective 2025-10-04 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
15:30
Houston Hobby (HOU)

17:30
Kansas City (MCI)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4456
15:30
Houston Hobby (HOU)

17:30
Kansas City (MCI)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4456
16:10
Austin (AUS)

17:55
San Francisco (SFO) 2
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
16:50
Albany (ALB)

19:50
Orlando (MCO)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
18:05
Kansas City (MCI)

18:55
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4456
18:05
Kansas City (MCI)

18:55
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4456
19:05
Kansas City (MCI)

19:55
Denver (DEN)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
19:05
Kansas City (MCI)

19:55
Denver (DEN)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
20:15
John Glenn Columbus (CMH)

22:30
Tampa (TPA)
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4456
06:25
Las Vegas Harry Reid (LAS) 1

16:45
Fort Lauderdale (FLL) 1
Effective 2025-10-04 through 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:20, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4456
08:25
Houston Hobby (HOU)

11:35
San Francisco (SFO) 2
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
08:25
Houston Hobby (HOU)

11:35
San Francisco (SFO) 2
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN4456
15:30
Houston Hobby (HOU)

18:55
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4456
15:30
Houston Hobby (HOU)

18:55
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
  • Albany (ALB) - Orlando (MCO)
  • Austin (AUS) - San Francisco (SFO)
  • Houston Hobby (HOU) - Austin (AUS)
  • Houston Hobby (HOU) - Denver (DEN)
  • Houston Hobby (HOU) - Kansas City (MCI)
  • Houston Hobby (HOU) - San Francisco (SFO)
  • John Glenn Columbus (CMH) - Tampa (TPA)
  • Kansas City (MCI) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - Fort Lauderdale (FLL)
  • Las Vegas Harry Reid (LAS) - Midway, Chicago (MDW)
  • Midway, Chicago (MDW) - Fort Lauderdale (FLL)
  • Reno (RNO) - Love Field, Dallas (DAL)
All Southwest Airlines flights
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