Southwest Airlines flight WN 4400: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 11:45 Tulsa (TUL) 13:20 Nashville (BNA)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-22 through 2025-11-29
Sat 11:45 Tulsa (TUL) 13:20 Nashville (BNA)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-20 through 2026-01-03
Tue,Wed 12:55 Oakland (OAK) 2 14:15 Ontario, Los Angeles (ONT) 4
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 12:55 Oakland (OAK) 2 14:15 Ontario, Los Angeles (ONT) 4
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 12:55 Oakland (OAK) 2 14:15 Ontario, Los Angeles (ONT) 4
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 12:55 Oakland (OAK) 2 14:15 Ontario, Los Angeles (ONT) 4
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 12:55 Oakland (OAK) 2 14:15 Ontario, Los Angeles (ONT) 4
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-12-24 through 2026-01-01
Sat 13:35 Indianapolis (IND) 14:15 Phoenix Sky Harbor (PHX) 4
WN 4400 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-06-07 through 2025-08-02
Tue,Wed 14:50 Ontario, Los Angeles (ONT) 4 18:00 Denver (DEN)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:50 Ontario, Los Angeles (ONT) 4 18:00 Denver (DEN)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-11-17 through 2025-11-20
Sun 14:50 Santa Ana (SNA) 16:00 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2025-11-30
Mon-Fri 14:50 Ontario, Los Angeles (ONT) 4 18:00 Denver (DEN)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:50 Ontario, Los Angeles (ONT) 4 18:00 Denver (DEN)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:50 Ontario, Los Angeles (ONT) 4 18:00 Denver (DEN)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2025-12-24 through 2026-01-01
Mon,Thu,Fri,Sun 15:30 Santa Ana (SNA) 16:40 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 15:30 Santa Ana (SNA) 16:40 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-11-21 through 2025-11-28
Fri,Sun 15:30 Santa Ana (SNA) 16:40 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2025-12-07 through 2025-12-14
Thu 15:30 Santa Ana (SNA) 16:40 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2025-12-18
Mon 15:30 Santa Ana (SNA) 16:40 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-01-05
Mon-Wed 16:25 Love Field, Dallas (DAL) 1 17:25 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-800 (73H) 3:00 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 16:25 Love Field, Dallas (DAL) 1 17:25 Las Vegas Harry Reid (LAS) 1
WN 4400 Non-stop Boeing 737-800 (73H) 3:00 Effective 2025-12-19 through 2026-01-04
Sun 16:40 Las Vegas Harry Reid (LAS) 1 19:30 Boise (BOI)
WN 4400 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2025-11-30
Mon,Thu,Fri 20:50 Houston Hobby (HOU) 22:50 Saint Louis (STL) 2
WN 4400 Non-stop Boeing 737-700 (73W) 2:00 Valid until 2025-06-02
Sat 20:55 Houston Hobby (HOU) 23:00 Saint Louis (STL) 2
WN 4400 Non-stop Boeing 737-700 (73W) 2:05 Valid until 2025-05-31
Mon,Thu,Fri 21:40 San Diego (SAN) 1 23:10 Oakland (OAK) 2
WN 4400 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 21:40 San Diego (SAN) 1 23:10 Oakland (OAK) 2
WN 4400 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-07-07 through 2025-08-04
Sun 21:55 Houston Hobby (HOU) 23:55 Saint Louis (STL) 2
WN 4400 Non-stop Boeing 737-700 (73W) 2:00 Valid until 2025-05-18
Sun 21:55 Houston Hobby (HOU) 23:55 Saint Louis (STL) 2
WN 4400 Non-stop Boeing 737-700 (73W) 2:00 Operates only on 2025-06-01
Non-Direct Flights:
Tue,Wed 12:55 Oakland (OAK) 2 18:00 Denver (DEN)
WN 4400 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-11-04 through 2025-11-12
Mon-Thu 12:55 Oakland (OAK) 2 18:00 Denver (DEN)
WN 4400 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-11-17 through 2025-11-20
Mon-Fri 12:55 Oakland (OAK) 2 18:00 Denver (DEN)
WN 4400 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-02 through 2025-12-11
Mon-Wed 12:55 Oakland (OAK) 2 18:00 Denver (DEN)
WN 4400 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-15 through 2025-12-17
Wed,Thu 12:55 Oakland (OAK) 2 18:00 Denver (DEN)
WN 4400 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2025-12-24 through 2026-01-01
Sun 14:50 Santa Ana (SNA) 19:30 Boise (BOI)
WN 4400 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Operates only on 2025-11-30
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 4400: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4400
11:45
Tulsa (TUL)

13:20
Nashville (BNA)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
11:45
Tulsa (TUL)

13:20
Nashville (BNA)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

14:15
Ontario, Los Angeles (ONT) 4
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

14:15
Ontario, Los Angeles (ONT) 4
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

14:15
Ontario, Los Angeles (ONT) 4
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

14:15
Ontario, Los Angeles (ONT) 4
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

14:15
Ontario, Los Angeles (ONT) 4
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
13:35
Indianapolis (IND)

14:15
Phoenix Sky Harbor (PHX) 4
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4400
14:50
Ontario, Los Angeles (ONT) 4

18:00
Denver (DEN)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
14:50
Ontario, Los Angeles (ONT) 4

18:00
Denver (DEN)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
14:50
Santa Ana (SNA)

16:00
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
14:50
Ontario, Los Angeles (ONT) 4

18:00
Denver (DEN)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
14:50
Ontario, Los Angeles (ONT) 4

18:00
Denver (DEN)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
14:50
Ontario, Los Angeles (ONT) 4

18:00
Denver (DEN)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
15:30
Santa Ana (SNA)

16:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
15:30
Santa Ana (SNA)

16:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
15:30
Santa Ana (SNA)

16:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
15:30
Santa Ana (SNA)

16:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
15:30
Santa Ana (SNA)

16:40
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
16:25
Love Field, Dallas (DAL) 1

17:25
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4400
16:25
Love Field, Dallas (DAL) 1

17:25
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN4400
16:40
Las Vegas Harry Reid (LAS) 1

19:30
Boise (BOI)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
20:50
Houston Hobby (HOU)

22:50
Saint Louis (STL) 2
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4400
20:55
Houston Hobby (HOU)

23:00
Saint Louis (STL) 2
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4400
21:40
San Diego (SAN) 1

23:10
Oakland (OAK) 2
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4400
21:40
San Diego (SAN) 1

23:10
Oakland (OAK) 2
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4400
21:55
Houston Hobby (HOU)

23:55
Saint Louis (STL) 2
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4400
21:55
Houston Hobby (HOU)

23:55
Saint Louis (STL) 2
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

18:00
Denver (DEN)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

18:00
Denver (DEN)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

18:00
Denver (DEN)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

18:00
Denver (DEN)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
12:55
Oakland (OAK) 2

18:00
Denver (DEN)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN4400
14:50
Santa Ana (SNA)

19:30
Boise (BOI)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
This flight number is listed as serving the following routes:
  • Houston Hobby (HOU) - Saint Louis (STL)
  • Indianapolis (IND) - Phoenix Sky Harbor (PHX)
  • Las Vegas Harry Reid (LAS) - Boise (BOI)
  • Love Field, Dallas (DAL) - Las Vegas Harry Reid (LAS)
  • Oakland (OAK) - Denver (DEN)
  • Oakland (OAK) - Ontario, Los Angeles (ONT)
  • Ontario, Los Angeles (ONT) - Denver (DEN)
  • San Diego (SAN) - Oakland (OAK)
  • Santa Ana (SNA) - Boise (BOI)
  • Santa Ana (SNA) - Las Vegas Harry Reid (LAS)
  • Tulsa (TUL) - Nashville (BNA)
All Southwest Airlines flights
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