Southwest Airlines flight WN 1821: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 10:05 Midway, Chicago (MDW) 12:05 Indianapolis (IND) WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:00 Effective 2025-10-07 through 2025-10-29
Sun 10:15 Burbank (BUR) 11:35 Oakland (OAK) 2 WN 1821 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2025-05-18
Sun 10:15 Burbank (BUR) 11:35 Oakland (OAK) 2 WN 1821 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2025-06-01
Sun 10:50 Burbank (BUR) 12:10 Oakland (OAK) 2 WN 1821 Non-stop Boeing 737-700 (73W) 1:20 Operates only on 2025-05-25
Tue,Wed 12:30 San Diego (SAN) 1 14:05 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-04 through 2025-11-12
Mon-Thu 12:30 San Diego (SAN) 1 14:05 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-11-17 through 2025-11-20
Mon-Fri 12:30 San Diego (SAN) 1 14:05 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-02 through 2025-12-11
Mon-Wed 12:30 San Diego (SAN) 1 14:05 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-15 through 2025-12-17
Wed,Thu 12:30 San Diego (SAN) 1 14:05 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2025-12-24 through 2026-01-01
Sat 12:40 Burbank (BUR) 14:00 Oakland (OAK) 2 WN 1821 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2025-05-31
Mon,Thu,Fri 12:50 Burbank (BUR) 14:10 Oakland (OAK) 2 WN 1821 Non-stop Boeing 737-700 (73W) 1:20 Valid until 2025-06-02
Tue,Wed 14:00 New Orleans (MSY) 15:15 Houston Hobby (HOU) WN 1821 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-10 through 2025-07-30
Mon-Wed 14:00 San Diego (SAN) 1 15:30 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 14:00 San Diego (SAN) 1 15:30 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-19 through 2026-01-04
Mon,Thu,Fri,Sun 14:30 San Diego (SAN) 1 16:00 San Jose (SJC) B WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 14:30 San Diego (SAN) 1 16:00 San Jose (SJC) B WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-11-21 through 2025-11-28
Fri,Sun 14:30 San Diego (SAN) 1 16:00 San Jose (SJC) B WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-12-07 through 2025-12-14
Thu 14:30 San Diego (SAN) 1 16:00 San Jose (SJC) B WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2025-12-18
Mon 14:30 San Diego (SAN) 1 16:00 San Jose (SJC) B WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Operates only on 2026-01-05
Sat 14:40 San Diego (SAN) 1 16:10 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-11-08 through 2025-11-15
Sat 14:40 San Diego (SAN) 1 16:10 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2025-12-06 through 2025-12-13
Sun 14:50 San Diego (SAN) 1 16:20 San Jose (SJC) B WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2025-11-30
Fri 16:20 New Orleans (MSY) 17:35 Houston Hobby (HOU) WN 1821 Non-stop Boeing 737-800 (73H) 1:15 Operates only on 2025-07-04
Mon,Thu,Fri 17:15 New Orleans (MSY) 18:30 Houston Hobby (HOU) WN 1821 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 17:15 New Orleans (MSY) 18:30 Houston Hobby (HOU) WN 1821 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-07-07 through 2025-08-04
Sat 17:25 New Orleans (MSY) 18:40 Houston Hobby (HOU) WN 1821 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-06-07 through 2025-08-02
Sat 17:50 Baltimore (BWI) 20:35 Miami (MIA) WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-08-09 through 2025-09-27
Sun 18:10 Baltimore (BWI) 21:00 Miami (MIA) WN 1821 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2025-08-31
Mon,Thu,Fri 19:00 Baltimore (BWI) 21:45 Miami (MIA) WN 1821 Non-stop Boeing 737-700 (73W) 2:45 Effective 2025-08-07 through 2025-09-29
Sat 19:30 Midway, Chicago (MDW) 21:25 Indianapolis (IND) WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 0:55 Effective 2025-10-04 through 2025-11-01
Sun 20:05 Baltimore (BWI) 22:50 Miami (MIA) WN 1821 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-08-10 through 2025-08-24
Sun 20:05 Baltimore (BWI) 22:50 Miami (MIA) WN 1821 Non-stop Boeing 737-800 (73H) 2:45 Effective 2025-09-07 through 2025-09-28
Sun 20:30 Midway, Chicago (MDW) 22:25 Indianapolis (IND) WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 0:55 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 21:35 Midway, Chicago (MDW) 23:35 Indianapolis (IND) WN 1821 Non-stop Boeing 737-800 (73H) 1:00 Effective 2025-10-02 through 2025-10-31
Thu 23:15 Las Vegas Harry Reid (LAS) 1 06:00 Atlanta (ATL) N WN 1821 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Operates only on 2025-11-27 The flight arrives 1 day after departure.

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This flight number is listed as serving the following routes:

Baltimore (BWI) - Miami (MIA)
Burbank (BUR) - Oakland (OAK)
Las Vegas Harry Reid (LAS) - Atlanta (ATL)
Midway, Chicago (MDW) - Indianapolis (IND)
New Orleans (MSY) - Houston Hobby (HOU)
San Diego (SAN) - San Jose (SJC)

All Southwest Airlines flights

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Southwest Airlines flight WN 1821: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN1821

10:05

Midway, Chicago (MDW)

12:05

Indianapolis (IND)

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:00, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

10:15

Burbank (BUR)

11:35

Oakland (OAK) 2

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

10:15

Burbank (BUR)

11:35

Oakland (OAK) 2

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

10:50

Burbank (BUR)

12:10

Oakland (OAK) 2

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

12:30

San Diego (SAN) 1

14:05

San Jose (SJC) B

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN1821

12:30

San Diego (SAN) 1

14:05

San Jose (SJC) B

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN1821

12:30

San Diego (SAN) 1

14:05

San Jose (SJC) B

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN1821

12:30

San Diego (SAN) 1

14:05

San Jose (SJC) B

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN1821

12:30

San Diego (SAN) 1

14:05

San Jose (SJC) B

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Southwest Airlines WN1821

12:40

Burbank (BUR)

14:00

Oakland (OAK) 2

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

12:50

Burbank (BUR)

14:10

Oakland (OAK) 2

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:20, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

14:00

New Orleans (MSY)

15:15

Houston Hobby (HOU)

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

14:00

San Diego (SAN) 1

15:30

San Jose (SJC) B

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

14:00

San Diego (SAN) 1

15:30

San Jose (SJC) B

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

14:30

San Diego (SAN) 1

16:00

San Jose (SJC) B

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

14:30

San Diego (SAN) 1

16:00

San Jose (SJC) B

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

14:30

San Diego (SAN) 1

16:00

San Jose (SJC) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

14:30

San Diego (SAN) 1

16:00

San Jose (SJC) B

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

14:30

San Diego (SAN) 1

16:00

San Jose (SJC) B

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

14:40

San Diego (SAN) 1

16:10

San Jose (SJC) B

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

14:40

San Diego (SAN) 1

16:10

San Jose (SJC) B

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

14:50

San Diego (SAN) 1

16:20

San Jose (SJC) B

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

16:20

New Orleans (MSY)

17:35

Houston Hobby (HOU)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

17:15

New Orleans (MSY)

18:30

Houston Hobby (HOU)

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

17:15

New Orleans (MSY)

18:30

Houston Hobby (HOU)

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

17:25

New Orleans (MSY)

18:40

Houston Hobby (HOU)

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1821

17:50

Baltimore (BWI)

20:35

Miami (MIA)

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

18:10

Baltimore (BWI)

21:00

Miami (MIA)

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:50, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

19:00

Baltimore (BWI)

21:45

Miami (MIA)

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1821

19:30

Midway, Chicago (MDW)

21:25

Indianapolis (IND)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 0:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

20:05

Baltimore (BWI)

22:50

Miami (MIA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

20:05

Baltimore (BWI)

22:50

Miami (MIA)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

20:30

Midway, Chicago (MDW)

22:25

Indianapolis (IND)

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 0:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1821

21:35

Midway, Chicago (MDW)

23:35

Indianapolis (IND)

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:00, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1821

23:15

Las Vegas Harry Reid (LAS) 1

06:00(+1)

Atlanta (ATL) N

Operates only on 2025-11-27

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

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Parallax here

This flight number is listed as serving the following routes:

Baltimore (BWI) - Miami (MIA)
Burbank (BUR) - Oakland (OAK)
Las Vegas Harry Reid (LAS) - Atlanta (ATL)
Midway, Chicago (MDW) - Indianapolis (IND)
New Orleans (MSY) - Houston Hobby (HOU)
San Diego (SAN) - San Jose (SJC)

All Southwest Airlines flights

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