Southwest Airlines flight WN 4399: Multiple routes

FLIGHT SCHEDULE
Direct Flights:
Sun 06:05 Oakland (OAK) 2 11:40 Austin (AUS) WN 4399 Non-stop Boeing 737-700 (73W) 3:35 Effective 2025-08-10 through 2025-08-24
Sun 06:05 Oakland (OAK) 2 11:40 Austin (AUS) WN 4399 Non-stop Boeing 737-700 (73W) 3:35 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 07:20 Santa Ana (SNA) 10:35 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-11-03 through 2025-11-14
Mon,Fri 07:20 Santa Ana (SNA) 10:35 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-11-21 through 2025-11-28
Thu,Fri 07:20 Santa Ana (SNA) 10:35 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-12-12 through 2025-12-18
Mon 07:20 Santa Ana (SNA) 10:35 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Operates only on 2026-01-05
Sat 07:30 Santa Ana (SNA) 10:45 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-11-08 through 2025-11-15
Sat 07:30 Santa Ana (SNA) 10:45 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-12-06 through 2025-12-13
Sun 07:45 Santa Ana (SNA) 11:15 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Operates only on 2025-11-30
Sun 08:00 Santa Ana (SNA) 11:25 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-11-02 through 2025-11-23
Sun 08:00 Santa Ana (SNA) 11:25 Denver (DEN) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2025-12-07 through 2025-12-14
Tue,Wed 09:45 Oakland (OAK) 2 15:10 Austin (AUS) WN 4399 Non-stop Boeing 737-800 (73H) 3:25 Effective 2025-08-05 through 2025-10-01
Sun 10:00 Oakland (OAK) 2 15:25 Austin (AUS) WN 4399 Non-stop Boeing 737-700 (73W) 3:25 Operates only on 2025-08-31
Sun 11:55 Denver (DEN) 13:00 Montrose (MTJ) WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Operates only on 2025-11-30
Sun 13:30 Baltimore (BWI) 15:45 Love Field, Dallas (DAL) 1 WN 4399 Non-stop Boeing 737-800 (73H) 3:15 Operates only on 2025-05-25
Tue,Wed 14:15 Love Field, Dallas (DAL) 1 15:50 Kansas City (MCI) WN 4399 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Valid until 2025-06-04
Tue,Wed 14:20 Midway, Chicago (MDW) 16:00 Tucson (TUS) WN 4399 Non-stop Boeing 737 MAX 8 (7M8) 3:40 Effective 2025-10-07 through 2025-10-29
Sat 15:10 Love Field, Dallas (DAL) 1 16:45 Kansas City (MCI) WN 4399 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Valid until 2025-05-31
Sun 16:00 Love Field, Dallas (DAL) 1 17:35 Kansas City (MCI) WN 4399 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Valid until 2025-05-18
Sun 16:00 Love Field, Dallas (DAL) 1 17:35 Kansas City (MCI) WN 4399 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2025-06-01
Sun 16:25 Love Field, Dallas (DAL) 1 18:00 Kansas City (MCI) WN 4399 Non-stop Boeing 737-800 (73H) 1:35 Operates only on 2025-05-25
Tue,Wed 16:45 Tucson (TUS) 18:10 San Diego (SAN) 1 WN 4399 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 18:25 Tucson (TUS) 19:45 San Diego (SAN) 1 WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2025-10-02 through 2025-10-31
Sun 18:55 Tucson (TUS) 20:20 San Diego (SAN) 1 WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-05 through 2025-10-26
Sat 19:35 Midway, Chicago (MDW) 21:20 Tucson (TUS) WN 4399 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 20:30 San Diego (SAN) 1 22:05 San Jose (SJC) B WN 4399 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-10-02 through 2025-10-31
Non-Direct Flights:
Sun 07:45 Santa Ana (SNA) 13:00 Montrose (MTJ) WN 4399 1-stop Boeing 737-700 (Scimitar Winglets) 4:15 Operates only on 2025-11-30
Sun 13:30 Baltimore (BWI) 18:00 Kansas City (MCI) WN 4399 1-stop Boeing 737-800 (73H) 5:30 Operates only on 2025-05-25
Tue,Wed 14:20 Midway, Chicago (MDW) 18:10 San Diego (SAN) 1 WN 4399 1-stop Boeing 737 MAX 8 (7M8) 5:50 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 18:25 Tucson (TUS) 22:05 San Jose (SJC) B WN 4399 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2025-10-02 through 2025-10-31

This flight number is listed as serving the following routes:

Baltimore (BWI) - Kansas City (MCI)
Baltimore (BWI) - Love Field, Dallas (DAL)
Denver (DEN) - Montrose (MTJ)
Love Field, Dallas (DAL) - Kansas City (MCI)
Midway, Chicago (MDW) - San Diego (SAN)
Midway, Chicago (MDW) - Tucson (TUS)
Oakland (OAK) - Austin (AUS)
San Diego (SAN) - San Jose (SJC)
Santa Ana (SNA) - Denver (DEN)
Santa Ana (SNA) - Montrose (MTJ)
Tucson (TUS) - San Diego (SAN)
Tucson (TUS) - San Jose (SJC)

All Southwest Airlines flights

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Southwest Airlines flight WN 4399: Multiple routes

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN4399

06:05

Oakland (OAK) 2

11:40

Austin (AUS)

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4399

06:05

Oakland (OAK) 2

11:40

Austin (AUS)

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4399

07:20

Santa Ana (SNA)

10:35

Denver (DEN)

Effective 2025-11-03 through 2025-11-14

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

07:20

Santa Ana (SNA)

10:35

Denver (DEN)

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

07:20

Santa Ana (SNA)

10:35

Denver (DEN)

Effective 2025-12-12 through 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

07:20

Santa Ana (SNA)

10:35

Denver (DEN)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

07:30

Santa Ana (SNA)

10:45

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 WN4399

07:30

Santa Ana (SNA)

10:45

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 WN4399

07:45

Santa Ana (SNA)

11:15

Denver (DEN)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

08:00

Santa Ana (SNA)

11:25

Denver (DEN)

Effective 2025-11-02 through 2025-11-23

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

08:00

Santa Ana (SNA)

11:25

Denver (DEN)

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

09:45

Oakland (OAK) 2

15:10

Austin (AUS)

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4399

10:00

Oakland (OAK) 2

15:25

Austin (AUS)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4399

11:55

Denver (DEN)

13:00

Montrose (MTJ)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

13:30

Baltimore (BWI)

15:45

Love Field, Dallas (DAL) 1

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4399

14:15

Love Field, Dallas (DAL) 1

15:50

Kansas City (MCI)

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

14:20

Midway, Chicago (MDW)

16:00

Tucson (TUS)

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

15:10

Love Field, Dallas (DAL) 1

16:45

Kansas City (MCI)

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

16:00

Love Field, Dallas (DAL) 1

17:35

Kansas City (MCI)

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

16:00

Love Field, Dallas (DAL) 1

17:35

Kansas City (MCI)

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

16:25

Love Field, Dallas (DAL) 1

18:00

Kansas City (MCI)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4399

16:45

Tucson (TUS)

18:10

San Diego (SAN) 1

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

18:25

Tucson (TUS)

19:45

San Diego (SAN) 1

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 WN4399

18:55

Tucson (TUS)

20:20

San Diego (SAN) 1

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

19:35

Midway, Chicago (MDW)

21:20

Tucson (TUS)

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4399

20:30

San Diego (SAN) 1

22:05

San Jose (SJC) B

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN4399

07:45

Santa Ana (SNA)

13:00

Montrose (MTJ)

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:15, 1-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4399

13:30

Baltimore (BWI)

18:00

Kansas City (MCI)

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:30, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN4399

14:20

Midway, Chicago (MDW)

18:10

San Diego (SAN) 1

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:50, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4399

18:25

Tucson (TUS)

22:05

San Jose (SJC) B

Effective 2025-10-02 through 2025-10-31

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:

Baltimore (BWI) - Kansas City (MCI)
Baltimore (BWI) - Love Field, Dallas (DAL)
Denver (DEN) - Montrose (MTJ)
Love Field, Dallas (DAL) - Kansas City (MCI)
Midway, Chicago (MDW) - San Diego (SAN)
Midway, Chicago (MDW) - Tucson (TUS)
Oakland (OAK) - Austin (AUS)
San Diego (SAN) - San Jose (SJC)
Santa Ana (SNA) - Denver (DEN)
Santa Ana (SNA) - Montrose (MTJ)
Tucson (TUS) - San Diego (SAN)
Tucson (TUS) - San Jose (SJC)

All Southwest Airlines flights

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