Southwest Airlines flight WN 4273: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:35 San Antonio (SAT) A 06:55 Denver (DEN)
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 05:35 San Antonio (SAT) A 06:55 Denver (DEN)
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 05:35 San Antonio (SAT) A 06:55 Denver (DEN)
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 05:35 San Antonio (SAT) A 06:55 Denver (DEN)
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 05:35 San Antonio (SAT) A 06:55 Denver (DEN)
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-24 through 2026-01-01
Sun 07:45 Ontario, Los Angeles (ONT) 4 12:40 Love Field, Dallas (DAL) 1
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Operates only on 2025-05-25
Sat 10:05 San Antonio (SAT) A 11:25 Denver (DEN)
WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-22 through 2025-11-29
Mon-Wed 10:05 San Antonio (SAT) A 11:25 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:05 San Antonio (SAT) A 11:25 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-19 through 2026-01-04
Sat 10:05 San Antonio (SAT) A 11:25 Denver (DEN)
WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 10:50 San Antonio (SAT) A 12:10 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 10:50 San Antonio (SAT) A 12:10 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-21 through 2025-11-28
Fri,Sun 10:50 San Antonio (SAT) A 12:10 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-07 through 2025-12-14
Thu 10:50 San Antonio (SAT) A 12:10 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2025-12-18
Mon 10:50 San Antonio (SAT) A 12:10 Denver (DEN)
WN 4273 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-01-05
Mon,Thu,Fri 11:45 Phoenix Sky Harbor (PHX) 4 13:05 Santa Ana (SNA)
WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-02 through 2025-10-31
Sun 12:15 Phoenix Sky Harbor (PHX) 4 13:35 Santa Ana (SNA)
WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-05 through 2025-10-26
Sat 12:45 San Antonio (SAT) A 14:00 Denver (DEN)
WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-11-08 through 2025-11-15
Sat 12:45 San Antonio (SAT) A 14:00 Denver (DEN)
WN 4273 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-12-06 through 2025-12-13
Sun 13:20 Las Vegas Harry Reid (LAS) 1 17:50 Wichita (ICT)
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-06-08 through 2025-08-03
Sat 16:35 Las Vegas Harry Reid (LAS) 1 21:10 Wichita (ICT)
WN 4273 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-06-07 through 2025-08-02
Sun 18:35 Wichita (ICT) 19:55 Saint Louis (STL) 2
WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2025-06-08 through 2025-08-03
Non-Direct Flights:
Sun 13:20 Las Vegas Harry Reid (LAS) 1 19:55 Saint Louis (STL) 2
WN 4273 1-stop Boeing 737 MAX 8 (7M8) 4:35 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 4273: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4273
05:35
San Antonio (SAT) A

06:55
Denver (DEN)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
05:35
San Antonio (SAT) A

06:55
Denver (DEN)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
05:35
San Antonio (SAT) A

06:55
Denver (DEN)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
05:35
San Antonio (SAT) A

06:55
Denver (DEN)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
05:35
San Antonio (SAT) A

06:55
Denver (DEN)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
07:45
Ontario, Los Angeles (ONT) 4

12:40
Love Field, Dallas (DAL) 1
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
10:05
San Antonio (SAT) A

11:25
Denver (DEN)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4273
10:05
San Antonio (SAT) A

11:25
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
10:05
San Antonio (SAT) A

11:25
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
10:05
San Antonio (SAT) A

11:25
Denver (DEN)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4273
10:50
San Antonio (SAT) A

12:10
Denver (DEN)
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
10:50
San Antonio (SAT) A

12:10
Denver (DEN)
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
10:50
San Antonio (SAT) A

12:10
Denver (DEN)
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
10:50
San Antonio (SAT) A

12:10
Denver (DEN)
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
10:50
San Antonio (SAT) A

12:10
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4273
11:45
Phoenix Sky Harbor (PHX) 4

13:05
Santa Ana (SNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4273
12:15
Phoenix Sky Harbor (PHX) 4

13:35
Santa Ana (SNA)
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 WN4273
12:45
San Antonio (SAT) A

14:00
Denver (DEN)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4273
12:45
San Antonio (SAT) A

14:00
Denver (DEN)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4273
13:20
Las Vegas Harry Reid (LAS) 1

17:50
Wichita (ICT)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4273
16:35
Las Vegas Harry Reid (LAS) 1

21:10
Wichita (ICT)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4273
18:35
Wichita (ICT)

19:55
Saint Louis (STL) 2
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4273
13:20
Las Vegas Harry Reid (LAS) 1

19:55
Saint Louis (STL) 2
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:35, 1-stop
Boeing 737 MAX 8 (7M8)
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Parallax here
This flight number is listed as serving the following routes:
  • Las Vegas Harry Reid (LAS) - Saint Louis (STL)
  • Las Vegas Harry Reid (LAS) - Wichita (ICT)
  • Ontario, Los Angeles (ONT) - Love Field, Dallas (DAL)
  • Phoenix Sky Harbor (PHX) - Santa Ana (SNA)
  • San Antonio (SAT) - Denver (DEN)
  • Wichita (ICT) - Saint Louis (STL)
All Southwest Airlines flights
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