Southwest Airlines flight WN 2921: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:50 Boston Logan (BOS) B 07:45 Saint Louis (STL) 2
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2025-06-07 through 2025-08-02
Mon-Fri 06:15 Las Vegas Harry Reid (LAS) 1 11:45 Midway, Chicago (MDW)
WN 2921 Non-stop Boeing 737-800 (73H) 3:30 Valid until 2025-06-04
Tue,Wed 06:50 San Diego (SAN) 1 08:35 San Francisco (SFO) 2
WN 2921 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-06-10 through 2025-07-30
Sun 08:10 Phoenix Sky Harbor (PHX) 4 09:20 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-06-08 through 2025-08-03
Sat 08:10 Nashville (BNA) 09:35 Panama City (ECP)
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 08:45 Las Vegas Harry Reid (LAS) 1 10:00 San Diego (SAN) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 08:45 Las Vegas Harry Reid (LAS) 1 10:00 San Diego (SAN) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-07-07 through 2025-08-04
Sun 10:00 Las Vegas Harry Reid (LAS) 1 11:15 San Diego (SAN) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-06-08 through 2025-08-03
Sat 10:15 Ontario, Los Angeles (ONT) 4 11:20 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-11-08 through 2025-11-15
Sat 10:15 Ontario, Los Angeles (ONT) 4 11:20 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2025-12-06 through 2025-12-13
Fri 10:30 San Diego (SAN) 1 12:05 San Francisco (SFO) 2
WN 2921 Non-stop Boeing 737-700 (73W) 1:35 Operates only on 2025-07-04
Mon,Thu,Fri 10:40 San Diego (SAN) 1 12:15 San Francisco (SFO) 2
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 10:40 San Diego (SAN) 1 12:15 San Francisco (SFO) 2
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2025-07-07 through 2025-08-04
Sat 11:30 Los Angeles (LAX) 1 12:40 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737-700 (73W) 1:10 Effective 2025-08-09 through 2025-09-27
Sun 11:55 San Diego (SAN) 1 18:00 Midway, Chicago (MDW)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2025-06-08 through 2025-08-03
Sat 11:55 Las Vegas Harry Reid (LAS) 1 14:50 Boise (BOI)
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-11-08 through 2025-11-15
Sat 11:55 Las Vegas Harry Reid (LAS) 1 14:50 Boise (BOI)
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-12-06 through 2025-12-13
Tue,Wed,Sat 12:05 Honolulu (HNL) 2 19:55 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 5:50 Effective 2025-11-22 through 2025-11-29
Mon 12:05 Honolulu (HNL) 2 19:55 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 5:50 Operates only on 2025-12-01
Mon,Tue,Fri-Sun 12:05 Honolulu (HNL) 2 19:55 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 5:50 Effective 2025-12-19 through 2026-01-04
Sun 12:15 El Paso (ELP) 16:00 Nashville (BNA)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2025-11-30
Tue,Wed 12:30 Midway, Chicago (MDW) 14:45 Cleveland Hopkins (CLE)
WN 2921 Non-stop Boeing 737-800 (73H) 1:15 Valid until 2025-06-04
Sun 12:40 Las Vegas Harry Reid (LAS) 1 17:35 Des Moines (DSM)
WN 2921 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2025-05-18
Sun 12:40 Las Vegas Harry Reid (LAS) 1 17:35 Des Moines (DSM)
WN 2921 Non-stop Boeing 737-800 (73H) 2:55 Operates only on 2025-06-01
Sun 13:30 Los Angeles (LAX) 1 14:40 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-08-10 through 2025-08-24
Sun 13:30 Los Angeles (LAX) 1 14:40 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-09-07 through 2025-09-28
Tue,Wed 14:15 Los Angeles (LAX) 1 15:30 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 14:15 Los Angeles (LAX) 1 15:30 Las Vegas Harry Reid (LAS) 1
WN 2921 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-08-07 through 2025-09-29
Sun 15:20 Las Vegas Harry Reid (LAS) 1 20:00 San Antonio (SAT) A
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-08-10 through 2025-08-24
Sun 15:20 Las Vegas Harry Reid (LAS) 1 20:00 San Antonio (SAT) A
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-09-07 through 2025-09-28
Tue,Wed 16:00 Nashville (BNA) 18:00 Love Field, Dallas (DAL) 1
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 16:15 Las Vegas Harry Reid (LAS) 1 17:55 Sacramento (SMF) B
WN 2921 Non-stop Boeing 737-800 (73H) 1:40 Effective 2025-08-07 through 2025-09-29
Sat 17:25 Chicago O'Hare (ORD) 5 19:15 Denver (DEN)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2025-05-31
Sun 17:55 Las Vegas Harry Reid (LAS) 1 22:50 Des Moines (DSM)
WN 2921 Non-stop Boeing 737-700 (73W) 2:55 Operates only on 2025-05-25
Sun 18:20 Des Moines (DSM) 19:25 Saint Louis (STL) 2
WN 2921 Non-stop Boeing 737-800 (73H) 1:05 Valid until 2025-05-18
Sun 18:20 Des Moines (DSM) 19:25 Saint Louis (STL) 2
WN 2921 Non-stop Boeing 737-800 (73H) 1:05 Operates only on 2025-06-01
Tue,Wed 19:40 Las Vegas Harry Reid (LAS) 1 22:25 Boise (BOI)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-04 through 2025-11-12
Mon-Thu 19:40 Las Vegas Harry Reid (LAS) 1 22:25 Boise (BOI)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-17 through 2025-11-20
Mon-Fri 19:40 Las Vegas Harry Reid (LAS) 1 22:25 Boise (BOI)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-02 through 2025-12-11
Mon-Wed 19:40 Las Vegas Harry Reid (LAS) 1 22:25 Boise (BOI)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-15 through 2025-12-17
Wed,Thu 19:40 Las Vegas Harry Reid (LAS) 1 22:25 Boise (BOI)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-24 through 2026-01-01
Sat 20:35 Las Vegas Harry Reid (LAS) 1 01:10 Austin (AUS)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-11-22 through 2025-11-29
The flight arrives 1 day after departure.
Sat 20:35 Las Vegas Harry Reid (LAS) 1 01:10 Austin (AUS)
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-12-20 through 2026-01-03
The flight arrives 1 day after departure.
Mon,Thu,Fri 21:25 Nashville (BNA) 23:20 Love Field, Dallas (DAL) 1
WN 2921 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2025-10-02 through 2025-10-31
Sun 21:25 Nashville (BNA) 23:20 Love Field, Dallas (DAL) 1
WN 2921 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-10-05 through 2025-10-26
Non-Direct Flights:
Tue,Wed 06:15 Las Vegas Harry Reid (LAS) 1 14:45 Cleveland Hopkins (CLE)
WN 2921 1-stop Boeing 737-800 (73H) 5:30 Valid until 2025-06-04
Sun 08:10 Phoenix Sky Harbor (PHX) 4 11:15 San Diego (SAN) 1
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 08:45 Las Vegas Harry Reid (LAS) 1 12:15 San Francisco (SFO) 2
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 08:45 Las Vegas Harry Reid (LAS) 1 12:15 San Francisco (SFO) 2
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 3:30 Effective 2025-07-07 through 2025-08-04
Sun 10:00 Las Vegas Harry Reid (LAS) 1 18:00 Midway, Chicago (MDW)
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 6:00 Effective 2025-06-08 through 2025-08-03
Sat 10:15 Ontario, Los Angeles (ONT) 4 14:50 Boise (BOI)
WN 2921 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-11-08 through 2025-11-15
Sat 10:15 Ontario, Los Angeles (ONT) 4 14:50 Boise (BOI)
WN 2921 1-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2025-12-06 through 2025-12-13
Sat 12:05 Honolulu (HNL) 2 01:10 Austin (AUS)
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 9:05 Effective 2025-11-22 through 2025-11-29
The flight arrives 1 day after departure.
Sat 12:05 Honolulu (HNL) 2 01:10 Austin (AUS)
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 9:05 Effective 2025-12-20 through 2026-01-03
The flight arrives 1 day after departure.
Sun 12:40 Las Vegas Harry Reid (LAS) 1 19:25 Saint Louis (STL) 2
WN 2921 1-stop Boeing 737-800 (73H) 4:45 Valid until 2025-05-18
Sun 12:40 Las Vegas Harry Reid (LAS) 1 19:25 Saint Louis (STL) 2
WN 2921 1-stop Boeing 737-800 (73H) 4:45 Operates only on 2025-06-01
Sun 13:30 Los Angeles (LAX) 1 20:00 San Antonio (SAT) A
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-08-10 through 2025-08-24
Sun 13:30 Los Angeles (LAX) 1 20:00 San Antonio (SAT) A
WN 2921 1-stop Boeing 737 MAX 8 (7M8) 4:30 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 14:15 Los Angeles (LAX) 1 17:55 Sacramento (SMF) B
WN 2921 1-stop Boeing 737-800 (73H) 3:40 Effective 2025-08-07 through 2025-09-29
Sun 08:10 Phoenix Sky Harbor (PHX) 4 18:00 Midway, Chicago (MDW)
WN 2921 2-stop Boeing 737 MAX 8 (7M8) 7:50 Effective 2025-06-08 through 2025-08-03
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Southwest Airlines flight WN 2921: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN2921
05:50
Boston Logan (BOS) B

07:45
Saint Louis (STL) 2
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
06:15
Las Vegas Harry Reid (LAS) 1

11:45
Midway, Chicago (MDW)
Valid until 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
06:50
San Diego (SAN) 1

08:35
San Francisco (SFO) 2
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2921
08:10
Phoenix Sky Harbor (PHX) 4

09:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
08:10
Nashville (BNA)

09:35
Panama City (ECP)
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
08:45
Las Vegas Harry Reid (LAS) 1

10:00
San Diego (SAN) 1
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
08:45
Las Vegas Harry Reid (LAS) 1

10:00
San Diego (SAN) 1
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
10:00
Las Vegas Harry Reid (LAS) 1

11:15
San Diego (SAN) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
10:15
Ontario, Los Angeles (ONT) 4

11:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
10:15
Ontario, Los Angeles (ONT) 4

11:20
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
10:30
San Diego (SAN) 1

12:05
San Francisco (SFO) 2
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2921
10:40
San Diego (SAN) 1

12:15
San Francisco (SFO) 2
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
10:40
San Diego (SAN) 1

12:15
San Francisco (SFO) 2
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
11:30
Los Angeles (LAX) 1

12:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2921
11:55
San Diego (SAN) 1

18:00
Midway, Chicago (MDW)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
11:55
Las Vegas Harry Reid (LAS) 1

14:50
Boise (BOI)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
11:55
Las Vegas Harry Reid (LAS) 1

14:50
Boise (BOI)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
12:05
Honolulu (HNL) 2

19:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
12:05
Honolulu (HNL) 2

19:55
Las Vegas Harry Reid (LAS) 1
Operates only on 2025-12-01
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
12:05
Honolulu (HNL) 2

19:55
Las Vegas Harry Reid (LAS) 1
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 5:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
12:15
El Paso (ELP)

16:00
Nashville (BNA)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
12:30
Midway, Chicago (MDW)

14:45
Cleveland Hopkins (CLE)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
12:40
Las Vegas Harry Reid (LAS) 1

17:35
Des Moines (DSM)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
12:40
Las Vegas Harry Reid (LAS) 1

17:35
Des Moines (DSM)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
13:30
Los Angeles (LAX) 1

14:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
13:30
Los Angeles (LAX) 1

14:40
Las Vegas Harry Reid (LAS) 1
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
14:15
Los Angeles (LAX) 1

15:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
14:15
Los Angeles (LAX) 1

15:30
Las Vegas Harry Reid (LAS) 1
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
15:20
Las Vegas Harry Reid (LAS) 1

20:00
San Antonio (SAT) A
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
15:20
Las Vegas Harry Reid (LAS) 1

20:00
San Antonio (SAT) A
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
16:00
Nashville (BNA)

18:00
Love Field, Dallas (DAL) 1
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
16:15
Las Vegas Harry Reid (LAS) 1

17:55
Sacramento (SMF) B
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
17:25
Chicago O'Hare (ORD) 5

19:15
Denver (DEN)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
17:55
Las Vegas Harry Reid (LAS) 1

22:50
Des Moines (DSM)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2921
18:20
Des Moines (DSM)

19:25
Saint Louis (STL) 2
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
18:20
Des Moines (DSM)

19:25
Saint Louis (STL) 2
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
19:40
Las Vegas Harry Reid (LAS) 1

22:25
Boise (BOI)
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
19:40
Las Vegas Harry Reid (LAS) 1

22:25
Boise (BOI)
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
19:40
Las Vegas Harry Reid (LAS) 1

22:25
Boise (BOI)
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
19:40
Las Vegas Harry Reid (LAS) 1

22:25
Boise (BOI)
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
19:40
Las Vegas Harry Reid (LAS) 1

22:25
Boise (BOI)
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
20:35
Las Vegas Harry Reid (LAS) 1

01:10(+1)
Austin (AUS)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN2921
20:35
Las Vegas Harry Reid (LAS) 1

01:10(+1)
Austin (AUS)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN2921
21:25
Nashville (BNA)

23:20
Love Field, Dallas (DAL) 1
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
21:25
Nashville (BNA)

23:20
Love Field, Dallas (DAL) 1
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN2921
06:15
Las Vegas Harry Reid (LAS) 1

14:45
Cleveland Hopkins (CLE)
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:30, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
08:10
Phoenix Sky Harbor (PHX) 4

11:15
San Diego (SAN) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:05, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
08:45
Las Vegas Harry Reid (LAS) 1

12:15
San Francisco (SFO) 2
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
08:45
Las Vegas Harry Reid (LAS) 1

12:15
San Francisco (SFO) 2
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:30, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
10:00
Las Vegas Harry Reid (LAS) 1

18:00
Midway, Chicago (MDW)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:00, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
10:15
Ontario, Los Angeles (ONT) 4

14:50
Boise (BOI)
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
10:15
Ontario, Los Angeles (ONT) 4

14:50
Boise (BOI)
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, 1-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN2921
12:05
Honolulu (HNL) 2

01:10(+1)
Austin (AUS)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:05, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN2921
12:05
Honolulu (HNL) 2

01:10(+1)
Austin (AUS)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:05, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Southwest Airlines WN2921
12:40
Las Vegas Harry Reid (LAS) 1

19:25
Saint Louis (STL) 2
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
12:40
Las Vegas Harry Reid (LAS) 1

19:25
Saint Louis (STL) 2
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:45, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
13:30
Los Angeles (LAX) 1

20:00
San Antonio (SAT) A
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:30, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
13:30
Los Angeles (LAX) 1

20:00
San Antonio (SAT) A
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:30, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2921
14:15
Los Angeles (LAX) 1

17:55
Sacramento (SMF) B
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:40, 1-stop
Boeing 737-800 (73H)
Southwest Airlines WN2921
08:10
Phoenix Sky Harbor (PHX) 4

18:00
Midway, Chicago (MDW)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:50, 2-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Saint Louis (STL)
  • Chicago O'Hare (ORD) - Denver (DEN)
  • Des Moines (DSM) - Saint Louis (STL)
  • El Paso (ELP) - Nashville (BNA)
  • Honolulu (HNL) - Austin (AUS)
  • Honolulu (HNL) - Las Vegas Harry Reid (LAS)
  • Las Vegas Harry Reid (LAS) - Austin (AUS)
  • Las Vegas Harry Reid (LAS) - Boise (BOI)
  • Las Vegas Harry Reid (LAS) - Cleveland Hopkins (CLE)
  • Las Vegas Harry Reid (LAS) - Des Moines (DSM)
  • Las Vegas Harry Reid (LAS) - Midway, Chicago (MDW)
  • Las Vegas Harry Reid (LAS) - Sacramento (SMF)
  • Las Vegas Harry Reid (LAS) - Saint Louis (STL)
  • Las Vegas Harry Reid (LAS) - San Antonio (SAT)
  • Las Vegas Harry Reid (LAS) - San Diego (SAN)
  • Las Vegas Harry Reid (LAS) - San Francisco (SFO)
  • Los Angeles (LAX) - Las Vegas Harry Reid (LAS)
  • Los Angeles (LAX) - Sacramento (SMF)
  • Los Angeles (LAX) - San Antonio (SAT)
  • Midway, Chicago (MDW) - Cleveland Hopkins (CLE)
  • Nashville (BNA) - Love Field, Dallas (DAL)
  • Nashville (BNA) - Panama City (ECP)
  • Ontario, Los Angeles (ONT) - Boise (BOI)
  • Ontario, Los Angeles (ONT) - Las Vegas Harry Reid (LAS)
  • Phoenix Sky Harbor (PHX) - Las Vegas Harry Reid (LAS)
  • Phoenix Sky Harbor (PHX) - Midway, Chicago (MDW)
  • Phoenix Sky Harbor (PHX) - San Diego (SAN)
  • San Diego (SAN) - Midway, Chicago (MDW)
  • San Diego (SAN) - San Francisco (SFO)
All Southwest Airlines flights
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