Southwest Airlines flight WN 551: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:05 Nashville (BNA) 08:05 Orlando (MCO)
WN 551 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Fri 05:10 Nashville (BNA) 08:10 Orlando (MCO)
WN 551 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 05:10 Nashville (BNA) 08:10 Orlando (MCO)
WN 551 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-20 through 2026-03-01
Mon-Fri 08:00 Tampa (TPA) 09:50 Austin (AUS)
WN 551 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 08:00 Tampa (TPA) 09:50 Austin (AUS)
WN 551 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-01-18 through 2026-01-23
Mon-Fri 08:00 Tampa (TPA) 09:50 Austin (AUS)
WN 551 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-01-26 through 2026-02-04
Wed,Sun 08:00 Tampa (TPA) 09:50 Austin (AUS)
WN 551 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-08 through 2026-02-11
Tue 08:00 Tampa (TPA) 09:50 Austin (AUS)
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-02-10
Tue,Wed 08:00 Tampa (TPA) 09:50 Austin (AUS)
WN 551 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-18 through 2026-03-04
Tue,Wed 09:45 Nashville (BNA) 13:05 New York LaGuardia (LGA) B
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-08-04 through 2026-09-30
Sat 10:00 Nashville (BNA) 13:20 New York LaGuardia (LGA) B
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-08-08 through 2026-09-26
Sun 11:20 El Paso (ELP) 14:05 Dallas Love Field (DAL) 1
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-05-24
Thu,Fri,Sun 11:40 Tampa (TPA) 13:30 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-01-11 through 2026-01-16
Mon,Sun 11:40 Tampa (TPA) 13:30 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 11:40 Tampa (TPA) 13:30 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-01 through 2026-02-06
Mon,Sun 11:40 Tampa (TPA) 13:30 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 11:40 Tampa (TPA) 13:30 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-17 through 2026-02-23
Mon 11:40 Tampa (TPA) 13:30 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2026-03-02
Wed,Thu 13:15 Saint Louis (STL) 2 15:45 Atlanta (ATL) N
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Valid until 2026-01-01
Mon,Thu,Fri 13:45 Austin (AUS) 18:45 Boston Logan (BOS) B
WN 551 Non-stop Boeing 737-800 (73H) 4:00 Effective 2026-04-09 through 2026-06-01
Sun 14:40 Austin (AUS) 19:45 Boston Logan (BOS) B
WN 551 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-04-12 through 2026-05-17
Sun 14:40 Austin (AUS) 19:45 Boston Logan (BOS) B
WN 551 Non-stop Boeing 737-800 (73H) 4:05 Operates only on 2026-05-31
Sun 14:45 Dallas Love Field (DAL) 1 15:50 Austin (AUS)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Operates only on 2026-05-24
Sat 15:00 Austin (AUS) 16:50 Panama City (ECP)
WN 551 Non-stop Boeing 737-800 (73H) 1:50 Valid until 2026-01-03
Fri,Sun 15:30 Austin (AUS) 17:20 Panama City (ECP)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2026-01-02 through 2026-01-04
Mon 15:45 Austin (AUS) 17:35 Panama City (ECP)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2026-01-05
Mon,Thu,Fri 15:50 Nashville (BNA) 18:10 Los Angeles (LAX) 1
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-06-04 through 2026-08-03
Sun 16:25 Austin (AUS) 21:25 Boston Logan (BOS) B
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 4:00 Operates only on 2026-05-24
Sat 17:00 Kansas City (MCI) 17:50 Denver (DEN)
WN 551 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-01-10 through 2026-01-31
Sat 17:00 Kansas City (MCI) 17:50 Denver (DEN)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2026-02-07
Sat 17:10 Nashville (BNA) 19:30 Los Angeles (LAX) 1
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-06-06 through 2026-08-01
Sun 17:20 Nashville (BNA) 19:40 Los Angeles (LAX) 1
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-06-07 through 2026-08-02
Tue,Wed 18:25 Atlanta (ATL) N 20:05 Las Vegas Harry Reid (LAS) 1
WN 551 Non-stop Boeing 737-800 (73H) 4:40 Effective 2026-03-10 through 2026-04-01
Tue,Wed 19:15 Boston Logan (BOS) B 20:50 Baltimore (BWI)
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-04-07 through 2026-06-03
Mon,Thu-Sat 19:25 Boston Logan (BOS) B 21:00 Baltimore (BWI)
WN 551 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 20:00 Atlanta (ATL) N 21:40 Las Vegas Harry Reid (LAS) 1
WN 551 Non-stop Boeing 737-800 (73H) 4:40 Effective 2026-03-05 through 2026-04-06
Sat 20:00 Atlanta (ATL) N 21:40 Las Vegas Harry Reid (LAS) 1
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 4:40 Effective 2026-03-07 through 2026-04-04
Sun 20:15 Atlanta (ATL) N 21:55 Las Vegas Harry Reid (LAS) 1
WN 551 Non-stop Boeing 737-800 (73H) 4:40 Effective 2026-03-08 through 2026-04-05
Sun 20:20 Los Angeles (LAX) 1 21:50 Sacramento (SMF) B
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-07 through 2026-08-02
Sun 20:30 Boston Logan (BOS) B 22:05 Baltimore (BWI)
WN 551 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-04-12 through 2026-05-17
Sun 20:30 Boston Logan (BOS) B 22:05 Baltimore (BWI)
WN 551 Non-stop Boeing 737-800 (73H) 1:35 Operates only on 2026-05-31
Mon,Thu,Fri 20:35 Baltimore (BWI) 21:35 Norfolk (ORF)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:00 Effective 2026-08-06 through 2026-09-28
Sun 20:45 Las Vegas Harry Reid (LAS) 1 22:15 Oakland (OAK) 2
WN 551 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-09 through 2026-09-27
Tue,Wed 20:55 Sacramento (SMF) B 22:15 Eugene (EUG)
WN 551 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 21:40 Baltimore (BWI) 00:05 Orlando (MCO)
WN 551 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-04-09 through 2026-06-01
The flight arrives 1 day after departure.
Sat 21:40 Baltimore (BWI) 22:55 Raleigh/Durham (RDU) 1
WN 551 Non-stop Boeing 737-800 (73H) 1:15 Effective 2026-04-11 through 2026-05-30
Non-Direct Flights:
Sun 11:20 El Paso (ELP) 15:50 Austin (AUS)
WN 551 1-stop Boeing 737-700 (Scimitar Winglets) 3:30 Operates only on 2026-05-24
Mon,Thu,Fri 13:45 Austin (AUS) 21:00 Baltimore (BWI)
WN 551 1-stop Boeing 737-800 (73H) 6:15 Effective 2026-04-09 through 2026-06-01
Sun 14:40 Austin (AUS) 22:05 Baltimore (BWI)
WN 551 1-stop Boeing 737-800 (73H) 6:25 Effective 2026-04-12 through 2026-05-17
Sun 14:40 Austin (AUS) 22:05 Baltimore (BWI)
WN 551 1-stop Boeing 737-800 (73H) 6:25 Operates only on 2026-05-31
Sun 14:45 Dallas Love Field (DAL) 1 21:25 Boston Logan (BOS) B
WN 551 1-stop Boeing 737-700 (Scimitar Winglets) 5:40 Operates only on 2026-05-24
Sun 17:20 Nashville (BNA) 21:50 Sacramento (SMF) B
WN 551 1-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 19:25 Boston Logan (BOS) B 00:05 Orlando (MCO)
WN 551 1-stop Boeing 737-800 (73H) 4:40 Effective 2026-04-09 through 2026-06-01
The flight arrives 1 day after departure.
Sat 19:25 Boston Logan (BOS) B 22:55 Raleigh/Durham (RDU) 1
WN 551 1-stop Boeing 737-800 (73H) 3:30 Effective 2026-04-11 through 2026-05-30
Sun 11:20 El Paso (ELP) 21:25 Boston Logan (BOS) B
WN 551 2-stop Boeing 737-700 (Scimitar Winglets) 8:05 Operates only on 2026-05-24
Mon,Thu,Fri 13:45 Austin (AUS) 00:05 Orlando (MCO)
WN 551 2-stop Boeing 737-800 (73H) 9:20 Effective 2026-04-09 through 2026-06-01
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 551: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN551
05:05
Nashville (BNA)

08:05
Orlando (MCO)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
05:10
Nashville (BNA)

08:10
Orlando (MCO)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
05:10
Nashville (BNA)

08:10
Orlando (MCO)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
08:00
Tampa (TPA)

09:50
Austin (AUS)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
08:00
Tampa (TPA)

09:50
Austin (AUS)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
08:00
Tampa (TPA)

09:50
Austin (AUS)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
08:00
Tampa (TPA)

09:50
Austin (AUS)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
08:00
Tampa (TPA)

09:50
Austin (AUS)
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
08:00
Tampa (TPA)

09:50
Austin (AUS)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
09:45
Nashville (BNA)

13:05
New York LaGuardia (LGA) B
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
10:00
Nashville (BNA)

13:20
New York LaGuardia (LGA) B
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
11:20
El Paso (ELP)

14:05
Dallas Love Field (DAL) 1
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
11:40
Tampa (TPA)

13:30
Austin (AUS)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
11:40
Tampa (TPA)

13:30
Austin (AUS)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
11:40
Tampa (TPA)

13:30
Austin (AUS)
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
11:40
Tampa (TPA)

13:30
Austin (AUS)
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
11:40
Tampa (TPA)

13:30
Austin (AUS)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
11:40
Tampa (TPA)

13:30
Austin (AUS)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
13:15
Saint Louis (STL) 2

15:45
Atlanta (ATL) N
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
13:45
Austin (AUS)

18:45
Boston Logan (BOS) B
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
14:40
Austin (AUS)

19:45
Boston Logan (BOS) B
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
14:40
Austin (AUS)

19:45
Boston Logan (BOS) B
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
14:45
Dallas Love Field (DAL) 1

15:50
Austin (AUS)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
15:00
Austin (AUS)

16:50
Panama City (ECP)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
15:30
Austin (AUS)

17:20
Panama City (ECP)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
15:45
Austin (AUS)

17:35
Panama City (ECP)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
15:50
Nashville (BNA)

18:10
Los Angeles (LAX) 1
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
16:25
Austin (AUS)

21:25
Boston Logan (BOS) B
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
17:00
Kansas City (MCI)

17:50
Denver (DEN)
Effective 2026-01-10 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
17:00
Kansas City (MCI)

17:50
Denver (DEN)
Operates only on 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
17:10
Nashville (BNA)

19:30
Los Angeles (LAX) 1
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
17:20
Nashville (BNA)

19:40
Los Angeles (LAX) 1
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
18:25
Atlanta (ATL) N

20:05
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
19:15
Boston Logan (BOS) B

20:50
Baltimore (BWI)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
19:25
Boston Logan (BOS) B

21:00
Baltimore (BWI)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
20:00
Atlanta (ATL) N

21:40
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
20:00
Atlanta (ATL) N

21:40
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
20:15
Atlanta (ATL) N

21:55
Las Vegas Harry Reid (LAS) 1
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
20:20
Los Angeles (LAX) 1

21:50
Sacramento (SMF) B
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
20:30
Boston Logan (BOS) B

22:05
Baltimore (BWI)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
20:30
Boston Logan (BOS) B

22:05
Baltimore (BWI)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN551
20:35
Baltimore (BWI)

21:35
Norfolk (ORF)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
20:45
Las Vegas Harry Reid (LAS) 1

22:15
Oakland (OAK) 2
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN551
20:55
Sacramento (SMF) B

22:15
Eugene (EUG)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN551
21:40
Baltimore (BWI)

00:05(+1)
Orlando (MCO)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN551
21:40
Baltimore (BWI)

22:55
Raleigh/Durham (RDU) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN551
11:20
El Paso (ELP)

15:50
Austin (AUS)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:30, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN551
13:45
Austin (AUS)

21:00
Baltimore (BWI)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:15, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN551
14:40
Austin (AUS)

22:05
Baltimore (BWI)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN551
14:40
Austin (AUS)

22:05
Baltimore (BWI)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN551
14:45
Dallas Love Field (DAL) 1

21:25
Boston Logan (BOS) B
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN551
17:20
Nashville (BNA)

21:50
Sacramento (SMF) B
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:30, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN551
19:25
Boston Logan (BOS) B

00:05(+1)
Orlando (MCO)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:40, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN551
19:25
Boston Logan (BOS) B

22:55
Raleigh/Durham (RDU) 1
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:30, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN551
11:20
El Paso (ELP)

21:25
Boston Logan (BOS) B
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 8:05, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN551
13:45
Austin (AUS)

00:05(+1)
Orlando (MCO)
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 9:20, 2-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Las Vegas Harry Reid (LAS)
  • Austin (AUS) - Baltimore (BWI)
  • Austin (AUS) - Boston Logan (BOS)
  • Austin (AUS) - Orlando (MCO)
  • Austin (AUS) - Panama City (ECP)
  • Baltimore (BWI) - Norfolk (ORF)
  • Baltimore (BWI) - Orlando (MCO)
  • Baltimore (BWI) - Raleigh/Durham (RDU)
  • Boston Logan (BOS) - Baltimore (BWI)
  • Boston Logan (BOS) - Orlando (MCO)
  • Boston Logan (BOS) - Raleigh/Durham (RDU)
  • Dallas Love Field (DAL) - Austin (AUS)
  • Dallas Love Field (DAL) - Boston Logan (BOS)
  • El Paso (ELP) - Austin (AUS)
  • El Paso (ELP) - Boston Logan (BOS)
  • El Paso (ELP) - Dallas Love Field (DAL)
  • Kansas City (MCI) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - Oakland (OAK)
  • Los Angeles (LAX) - Sacramento (SMF)
  • Nashville (BNA) - Los Angeles (LAX)
  • Nashville (BNA) - New York LaGuardia (LGA)
  • Nashville (BNA) - Orlando (MCO)
  • Nashville (BNA) - Sacramento (SMF)
  • Sacramento (SMF) - Eugene (EUG)
  • Saint Louis (STL) - Atlanta (ATL)
  • Tampa (TPA) - Austin (AUS)
All Southwest Airlines flights
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