Southwest Airlines flight WN 4421: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:25 Oakland (OAK) 2 06:45 Ontario, Los Angeles (ONT) 4
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 06:00 Oakland (OAK) 2 07:25 Ontario, Los Angeles (ONT) 4
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-04 through 2026-08-03
Tue,Wed 06:05 Oakland (OAK) 2 07:30 Ontario, Los Angeles (ONT) 4
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-09 through 2026-07-29
Tue,Wed 06:35 San Diego (SAN) 1 11:35 Austin (AUS)
WN 4421 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-08-04 through 2026-09-30
Sun 06:50 Oakland (OAK) 2 08:10 Ontario, Los Angeles (ONT) 4
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 08:00 Ontario, Los Angeles (ONT) 4 09:15 Phoenix Sky Harbor (PHX) 4
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-04 through 2026-08-03
Sat 08:15 Chicago Midway (MDW) 10:35 Oklahoma City (OKC)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-02-14 through 2026-02-28
Mon,Tue,Fri-Sun 08:35 Las Vegas Harry Reid (LAS) 1 13:05 Honolulu (HNL) 2
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 6:30 Valid until 2026-01-04
Mon,Thu,Fri 08:40 Phoenix Sky Harbor (PHX) 4 11:45 Oklahoma City (OKC)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 08:40 Phoenix Sky Harbor (PHX) 4 11:45 Oklahoma City (OKC)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-02-20 through 2026-03-01
Sat 11:10 Oklahoma City (OKC) 12:35 Austin (AUS)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-14 through 2026-02-28
Sun 11:40 Austin (AUS) 15:55 Ronald Reagan Washington (DCA) 1
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 12:20 Oklahoma City (OKC) 13:45 Austin (AUS)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:20 Oklahoma City (OKC) 13:45 Austin (AUS)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-20 through 2026-03-01
Tue,Wed 12:35 Austin (AUS) 16:50 Ronald Reagan Washington (DCA) 1
WN 4421 Non-stop Boeing 737-800 (73H) 3:15 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 14:20 Austin (AUS) 16:25 Nashville (BNA)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:20 Austin (AUS) 16:25 Nashville (BNA)
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-02-20 through 2026-03-01
Sat 15:10 Austin (AUS) 19:25 Ronald Reagan Washington (DCA) 1
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-08-08 through 2026-09-26
Mon-Fri 16:40 Nashville (BNA) 20:00 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 16:40 Nashville (BNA) 20:00 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-01-18 through 2026-01-23
Mon-Fri 16:40 Nashville (BNA) 20:00 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 16:40 Nashville (BNA) 20:00 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-02-08 through 2026-02-11
Tue,Wed 16:40 Nashville (BNA) 20:00 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 16:50 Nashville (BNA) 20:10 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:50 Nashville (BNA) 20:10 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:50 Nashville (BNA) 20:10 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-01 through 2026-02-06
Mon,Sun 16:50 Nashville (BNA) 20:10 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 16:50 Nashville (BNA) 20:10 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-02-17 through 2026-02-23
Mon 16:50 Nashville (BNA) 20:10 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-03-02
Mon,Thu,Fri 17:00 Nashville (BNA) 20:20 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 17:00 Nashville (BNA) 20:20 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 17:35 San Diego (SAN) 1 22:25 Austin (AUS)
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-06 through 2026-09-28
Sat 17:45 Nashville (BNA) 21:05 New York LaGuardia (LGA) B
WN 4421 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-10 through 2026-02-07
Non-Direct Flights:
Mon,Thu,Fri 06:00 Oakland (OAK) 2 09:15 Phoenix Sky Harbor (PHX) 4
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 3:15 Effective 2026-06-04 through 2026-08-03
Tue,Wed 06:35 San Diego (SAN) 1 16:50 Ronald Reagan Washington (DCA) 1
WN 4421 1-stop Boeing 737-800 (73H) 7:15 Effective 2026-08-04 through 2026-09-30
Sat 08:15 Chicago Midway (MDW) 12:35 Austin (AUS)
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 08:40 Phoenix Sky Harbor (PHX) 4 13:45 Austin (AUS)
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 08:40 Phoenix Sky Harbor (PHX) 4 13:45 Austin (AUS)
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 12:20 Oklahoma City (OKC) 16:25 Nashville (BNA)
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:20 Oklahoma City (OKC) 16:25 Nashville (BNA)
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 14:20 Austin (AUS) 20:20 New York LaGuardia (LGA) B
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:20 Austin (AUS) 20:20 New York LaGuardia (LGA) B
WN 4421 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 08:40 Phoenix Sky Harbor (PHX) 4 16:25 Nashville (BNA)
WN 4421 2-stop Boeing 737-700 (Scimitar Winglets) 6:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 08:40 Phoenix Sky Harbor (PHX) 4 16:25 Nashville (BNA)
WN 4421 2-stop Boeing 737-700 (Scimitar Winglets) 6:45 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 12:20 Oklahoma City (OKC) 20:20 New York LaGuardia (LGA) B
WN 4421 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:20 Oklahoma City (OKC) 20:20 New York LaGuardia (LGA) B
WN 4421 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 08:40 Phoenix Sky Harbor (PHX) 4 20:20 New York LaGuardia (LGA) B
WN 4421 3-stop Boeing 737-700 (Scimitar Winglets) 9:40 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 08:40 Phoenix Sky Harbor (PHX) 4 20:20 New York LaGuardia (LGA) B
WN 4421 3-stop Boeing 737-700 (Scimitar Winglets) 9:40 Effective 2026-02-20 through 2026-03-01
Ad flat here 1377413384 I FlightWNum Lower
Parallax here
This flight number is listed as serving the following routes:


Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Southwest Airlines flight WN 4421: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN4421
05:25
Oakland (OAK) 2

06:45
Ontario, Los Angeles (ONT) 4
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
06:00
Oakland (OAK) 2

07:25
Ontario, Los Angeles (ONT) 4
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
06:05
Oakland (OAK) 2

07:30
Ontario, Los Angeles (ONT) 4
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
06:35
San Diego (SAN) 1

11:35
Austin (AUS)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4421
06:50
Oakland (OAK) 2

08:10
Ontario, Los Angeles (ONT) 4
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
08:00
Ontario, Los Angeles (ONT) 4

09:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
08:15
Chicago Midway (MDW)

10:35
Oklahoma City (OKC)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
08:35
Las Vegas Harry Reid (LAS) 1

13:05
Honolulu (HNL) 2
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

11:45
Oklahoma City (OKC)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

11:45
Oklahoma City (OKC)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
11:10
Oklahoma City (OKC)

12:35
Austin (AUS)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
11:40
Austin (AUS)

15:55
Ronald Reagan Washington (DCA) 1
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
12:20
Oklahoma City (OKC)

13:45
Austin (AUS)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
12:20
Oklahoma City (OKC)

13:45
Austin (AUS)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
12:35
Austin (AUS)

16:50
Ronald Reagan Washington (DCA) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4421
14:20
Austin (AUS)

16:25
Nashville (BNA)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
14:20
Austin (AUS)

16:25
Nashville (BNA)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
15:10
Austin (AUS)

19:25
Ronald Reagan Washington (DCA) 1
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
16:40
Nashville (BNA)

20:00
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
16:40
Nashville (BNA)

20:00
New York LaGuardia (LGA) B
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
16:40
Nashville (BNA)

20:00
New York LaGuardia (LGA) B
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
16:40
Nashville (BNA)

20:00
New York LaGuardia (LGA) B
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
16:40
Nashville (BNA)

20:00
New York LaGuardia (LGA) B
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
16:50
Nashville (BNA)

20:10
New York LaGuardia (LGA) B
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
16:50
Nashville (BNA)

20:10
New York LaGuardia (LGA) B
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
16:50
Nashville (BNA)

20:10
New York LaGuardia (LGA) B
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
16:50
Nashville (BNA)

20:10
New York LaGuardia (LGA) B
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
16:50
Nashville (BNA)

20:10
New York LaGuardia (LGA) B
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
16:50
Nashville (BNA)

20:10
New York LaGuardia (LGA) B
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
17:00
Nashville (BNA)

20:20
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
17:00
Nashville (BNA)

20:20
New York LaGuardia (LGA) B
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN4421
17:35
San Diego (SAN) 1

22:25
Austin (AUS)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4421
17:45
Nashville (BNA)

21:05
New York LaGuardia (LGA) B
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN4421
06:00
Oakland (OAK) 2

09:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
06:35
San Diego (SAN) 1

16:50
Ronald Reagan Washington (DCA) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:15, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN4421
08:15
Chicago Midway (MDW)

12:35
Austin (AUS)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

13:45
Austin (AUS)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

13:45
Austin (AUS)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
12:20
Oklahoma City (OKC)

16:25
Nashville (BNA)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
12:20
Oklahoma City (OKC)

16:25
Nashville (BNA)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
14:20
Austin (AUS)

20:20
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
14:20
Austin (AUS)

20:20
New York LaGuardia (LGA) B
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

16:25
Nashville (BNA)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:45, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

16:25
Nashville (BNA)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:45, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
12:20
Oklahoma City (OKC)

20:20
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
12:20
Oklahoma City (OKC)

20:20
New York LaGuardia (LGA) B
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

20:20
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN4421
08:40
Phoenix Sky Harbor (PHX) 4

20:20
New York LaGuardia (LGA) B
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 9:40, 3-stop
Boeing 737-700 (Scimitar Winglets)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Austin (AUS) - Nashville (BNA)
  • Austin (AUS) - New York LaGuardia (LGA)
  • Austin (AUS) - Ronald Reagan Washington (DCA)
  • Chicago Midway (MDW) - Austin (AUS)
  • Chicago Midway (MDW) - Oklahoma City (OKC)
  • Las Vegas Harry Reid (LAS) - Honolulu (HNL)
  • Nashville (BNA) - New York LaGuardia (LGA)
  • Oakland (OAK) - Ontario, Los Angeles (ONT)
  • Oakland (OAK) - Phoenix Sky Harbor (PHX)
  • Oklahoma City (OKC) - Austin (AUS)
  • Oklahoma City (OKC) - Nashville (BNA)
  • Oklahoma City (OKC) - New York LaGuardia (LGA)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Austin (AUS)
  • Phoenix Sky Harbor (PHX) - Nashville (BNA)
  • Phoenix Sky Harbor (PHX) - New York LaGuardia (LGA)
  • Phoenix Sky Harbor (PHX) - Oklahoma City (OKC)
  • San Diego (SAN) - Austin (AUS)
  • San Diego (SAN) - Ronald Reagan Washington (DCA)
All Southwest Airlines flights
Feedback     -     Disclaimer     -     Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False