Southwest Airlines flight WN 621: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 07:35 Nashville (BNA) 09:00 Panama City (ECP) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2026-04-11 through 2026-05-30
Mon,Thu,Fri 07:40 Nashville (BNA) 09:05 Panama City (ECP) WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-09 through 2026-06-01
Sun 07:45 Nashville (BNA) 09:10 Panama City (ECP) WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-12 through 2026-05-17
Sun 07:45 Nashville (BNA) 09:10 Panama City (ECP) WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-05-31
Tue,Wed 08:05 Nashville (BNA) 09:30 Panama City (ECP) WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-04-07 through 2026-06-03
Mon-Fri 08:15 Nashville (BNA) 11:25 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 08:15 Nashville (BNA) 11:25 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-18 through 2026-01-23
Mon-Fri 08:15 Nashville (BNA) 11:25 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 08:15 Nashville (BNA) 11:25 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-08 through 2026-02-11
Tue,Wed 08:15 Nashville (BNA) 11:25 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-02-18 through 2026-03-04
Sun 08:45 Nashville (BNA) 10:05 Panama City (ECP) WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Operates only on 2026-05-24
Mon,Thu,Fri 09:00 Baltimore (BWI) 10:50 Savannah (SAV) WN 621 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-08-06 through 2026-09-28
Tue,Wed 10:10 Panama City (ECP) 12:05 Houston Hobby (HOU) WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-04-07 through 2026-06-03
Sat 13:25 Nashville (BNA) 16:30 Fort Myers (RSW) WN 621 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 15:15 Nashville (BNA) 18:20 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 15:15 Nashville (BNA) 18:20 Fort Myers (RSW) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-02-20 through 2026-03-01
Wed,Thu 17:20 Tampa (TPA) 19:00 Austin (AUS) WN 621 Non-stop Boeing 737-800 (73H) 2:40 Valid until 2026-01-01
Mon,Thu,Fri 17:45 Ronald Reagan Washington (DCA) 1 20:45 Austin (AUS) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-03-05 through 2026-04-06
Sat 17:45 Houston Hobby (HOU) 20:50 Atlanta (ATL) N WN 621 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-08-08 through 2026-09-26
Sat 17:55 Baltimore (BWI) 20:40 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-01-10 through 2026-02-07
Tue,Wed 18:35 Houston Hobby (HOU) 21:40 Atlanta (ATL) N WN 621 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-08-04 through 2026-09-30
Sun 18:35 Houston Hobby (HOU) 21:40 Atlanta (ATL) N WN 621 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-09 through 2026-09-27
Mon 19:15 Tampa (TPA) 21:00 Austin (AUS) WN 621 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2026-01-05
Thu,Fri,Sun 19:40 Baltimore (BWI) 22:25 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 19:40 Baltimore (BWI) 22:25 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 19:40 Baltimore (BWI) 22:25 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 19:40 Baltimore (BWI) 22:25 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 19:40 Baltimore (BWI) 22:25 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-17 through 2026-02-23
Mon 19:40 Baltimore (BWI) 22:25 Miami (MIA) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-03-02
Sat 21:15 Austin (AUS) 22:25 San Diego (SAN) 1 WN 621 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-03-07 through 2026-04-04
Mon,Thu,Fri 21:30 Austin (AUS) 22:40 San Diego (SAN) 1 WN 621 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-03-05 through 2026-04-06
Mon 21:40 Austin (AUS) 23:05 Los Angeles (LAX) 1 WN 621 Non-stop Boeing 737-800 (73H) 3:25 Operates only on 2026-01-05
Daily 21:40 San Jose (SJC) B 05:45 Baltimore (BWI) WN 621 Non-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-06-04 through 2026-08-03 The flight arrives 1 day after departure.
Mon,Tue,Fri,Sun 22:40 Austin (AUS) 00:05 Los Angeles (LAX) 1 WN 621 Non-stop Boeing 737-800 (73H) 3:25 Valid until 2026-01-04 The flight arrives 1 day after departure.
Sat 22:40 Austin (AUS) 00:05 Los Angeles (LAX) 1 WN 621 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Valid until 2026-01-03 The flight arrives 1 day after departure.
Non-Direct Flights:
Tue,Wed 08:05 Nashville (BNA) 12:05 Houston Hobby (HOU) WN 621 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 17:45 Ronald Reagan Washington (DCA) 1 22:40 San Diego (SAN) 1 WN 621 1-stop Boeing 737 MAX 8 (7M8) 7:55 Effective 2026-03-05 through 2026-04-06
Mon 19:15 Tampa (TPA) 23:05 Los Angeles (LAX) 1 WN 621 1-stop Boeing 737-800 (73H) 6:50 Operates only on 2026-01-05

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This flight number is listed as serving the following routes:

Austin (AUS) - Los Angeles (LAX)
Austin (AUS) - San Diego (SAN)
Baltimore (BWI) - Miami (MIA)
Baltimore (BWI) - Savannah (SAV)
Houston Hobby (HOU) - Atlanta (ATL)
Nashville (BNA) - Fort Myers (RSW)
Nashville (BNA) - Houston Hobby (HOU)
Nashville (BNA) - Panama City (ECP)
Panama City (ECP) - Houston Hobby (HOU)
Ronald Reagan Washington (DCA) - Austin (AUS)
Ronald Reagan Washington (DCA) - San Diego (SAN)
San Jose (SJC) - Baltimore (BWI)
Tampa (TPA) - Austin (AUS)
Tampa (TPA) - Los Angeles (LAX)

All Southwest Airlines flights

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Southwest Airlines flight WN 621: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN621

07:35

Nashville (BNA)

09:00

Panama City (ECP)

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN621

07:40

Nashville (BNA)

09:05

Panama City (ECP)

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN621

07:45

Nashville (BNA)

09:10

Panama City (ECP)

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN621

07:45

Nashville (BNA)

09:10

Panama City (ECP)

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN621

08:05

Nashville (BNA)

09:30

Panama City (ECP)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN621

08:15

Nashville (BNA)

11:25

Fort Myers (RSW)

Effective 2026-01-06 through 2026-01-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

08:15

Nashville (BNA)

11:25

Fort Myers (RSW)

Effective 2026-01-18 through 2026-01-23

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

08:15

Nashville (BNA)

11:25

Fort Myers (RSW)

Effective 2026-01-26 through 2026-02-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

08:15

Nashville (BNA)

11:25

Fort Myers (RSW)

Effective 2026-02-08 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

08:15

Nashville (BNA)

11:25

Fort Myers (RSW)

Effective 2026-02-18 through 2026-03-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

08:45

Nashville (BNA)

10:05

Panama City (ECP)

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN621

09:00

Baltimore (BWI)

10:50

Savannah (SAV)

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN621

10:10

Panama City (ECP)

12:05

Houston Hobby (HOU)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN621

13:25

Nashville (BNA)

16:30

Fort Myers (RSW)

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN621

15:15

Nashville (BNA)

18:20

Fort Myers (RSW)

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

15:15

Nashville (BNA)

18:20

Fort Myers (RSW)

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

17:20

Tampa (TPA)

19:00

Austin (AUS)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN621

17:45

Ronald Reagan Washington (DCA) 1

20:45

Austin (AUS)

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

17:45

Houston Hobby (HOU)

20:50

Atlanta (ATL) N

Effective 2026-08-08 through 2026-09-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN621

17:55

Baltimore (BWI)

20:40

Miami (MIA)

Effective 2026-01-10 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

18:35

Houston Hobby (HOU)

21:40

Atlanta (ATL) N

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN621

18:35

Houston Hobby (HOU)

21:40

Atlanta (ATL) N

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN621

19:15

Tampa (TPA)

21:00

Austin (AUS)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN621

19:40

Baltimore (BWI)

22:25

Miami (MIA)

Effective 2026-01-11 through 2026-01-16

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

19:40

Baltimore (BWI)

22:25

Miami (MIA)

Effective 2026-01-19 through 2026-01-25

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

19:40

Baltimore (BWI)

22:25

Miami (MIA)

Effective 2026-02-01 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

19:40

Baltimore (BWI)

22:25

Miami (MIA)

Effective 2026-02-09 through 2026-02-15

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

19:40

Baltimore (BWI)

22:25

Miami (MIA)

Effective 2026-02-17 through 2026-02-23

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

19:40

Baltimore (BWI)

22:25

Miami (MIA)

Operates only on 2026-03-02

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

21:15

Austin (AUS)

22:25

San Diego (SAN) 1

Effective 2026-03-07 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

21:30

Austin (AUS)

22:40

San Diego (SAN) 1

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN621

21:40

Austin (AUS)

23:05

Los Angeles (LAX) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN621

21:40

San Jose (SJC) B

05:45(+1)

Baltimore (BWI)

Effective 2026-06-04 through 2026-08-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN621

22:40

Austin (AUS)

00:05(+1)

Los Angeles (LAX) 1

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 3:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN621

22:40

Austin (AUS)

00:05(+1)

Los Angeles (LAX) 1

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

Southwest Airlines WN621

08:05

Nashville (BNA)

12:05

Houston Hobby (HOU)

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN621

17:45

Ronald Reagan Washington (DCA) 1

22:40

San Diego (SAN) 1

Effective 2026-03-05 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 7:55, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN621

19:15

Tampa (TPA)

23:05

Los Angeles (LAX) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 6:50, 1-stop
Boeing 737-800 (73H)

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Parallax here

This flight number is listed as serving the following routes:

Austin (AUS) - Los Angeles (LAX)
Austin (AUS) - San Diego (SAN)
Baltimore (BWI) - Miami (MIA)
Baltimore (BWI) - Savannah (SAV)
Houston Hobby (HOU) - Atlanta (ATL)
Nashville (BNA) - Fort Myers (RSW)
Nashville (BNA) - Houston Hobby (HOU)
Nashville (BNA) - Panama City (ECP)
Panama City (ECP) - Houston Hobby (HOU)
Ronald Reagan Washington (DCA) - Austin (AUS)
Ronald Reagan Washington (DCA) - San Diego (SAN)
San Jose (SJC) - Baltimore (BWI)
Tampa (TPA) - Austin (AUS)
Tampa (TPA) - Los Angeles (LAX)

All Southwest Airlines flights

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