Southwest Airlines flight WN 257: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 06:15 Oakland (OAK) 2 07:45 San Diego (SAN) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 06:15 Oakland (OAK) 2 07:45 San Diego (SAN) 1
WN 257 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-08-06 through 2026-09-28
Sat 06:45 Oakland (OAK) 2 08:15 San Diego (SAN) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-08 through 2026-09-26
Fri-Sun 07:10 Burbank (BUR) 08:25 Las Vegas Harry Reid (LAS) 1
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-02 through 2026-01-04
Mon 07:20 Burbank (BUR) 08:35 Las Vegas Harry Reid (LAS) 1
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-01-05
Wed,Thu 09:05 Las Vegas Harry Reid (LAS) 1 11:55 Seattle-Tacoma (SEA)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2026-01-01
Mon 09:15 Las Vegas Harry Reid (LAS) 1 12:05 Seattle-Tacoma (SEA)
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2026-01-05
Tue,Wed 10:15 Saint Louis (STL) 2 12:50 Atlanta (ATL) N
WN 257 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-06-09 through 2026-07-29
Sun 11:25 Louisville (SDF) 13:25 Orlando (MCO)
WN 257 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-06-07 through 2026-08-02
Sun 12:40 San Diego (SAN) 1 16:00 Colorado Springs (COS)
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2026-05-24
Mon,Thu,Fri 13:55 San Diego (SAN) 1 18:45 Dallas Love Field (DAL) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 13:55 San Diego (SAN) 1 18:45 Dallas Love Field (DAL) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-15 through 2026-02-19
Mon 13:55 San Diego (SAN) 1 18:45 Dallas Love Field (DAL) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-23 through 2026-03-02
Sun 14:45 Grand Rapids (GRR) 15:20 Nashville (BNA)
WN 257 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-08-09 through 2026-09-27
Sat 15:35 Tampa (TPA) 18:20 Detroit (DTW) E
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-03-07 through 2026-04-04
Sun 15:35 Orlando (MCO) 18:20 Detroit (DTW) E
WN 257 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-03-08 through 2026-04-05
Tue,Wed 15:45 Ontario, Los Angeles (ONT) 4 17:05 Phoenix Sky Harbor (PHX) 4
WN 257 Non-stop Boeing 737-800 (73H) 1:20 Effective 2026-04-07 through 2026-06-03
Tue,Wed 15:55 Baltimore (BWI) 17:30 Detroit (DTW) E
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-03-10 through 2026-04-01
Sun 16:00 Ontario, Los Angeles (ONT) 4 20:50 Dallas Love Field (DAL) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-12 through 2026-05-17
Sun 16:00 Ontario, Los Angeles (ONT) 4 20:50 Dallas Love Field (DAL) 1
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-31
Sat 16:10 San Antonio (SAT) A 17:45 Phoenix Sky Harbor (PHX) 4
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Operates only on 2026-02-07
Mon,Thu,Fri 16:25 Baltimore (BWI) 18:00 Detroit (DTW) E
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-03-05 through 2026-04-06
Sun 16:35 Colorado Springs (COS) 17:25 Denver (DEN)
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 0:50 Operates only on 2026-05-24
Mon,Thu,Fri 18:00 Ontario, Los Angeles (ONT) 4 19:15 Phoenix Sky Harbor (PHX) 4
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-04-09 through 2026-06-01
Sat 18:05 Houston Hobby (HOU) 21:00 Atlanta (ATL) N
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-01-10 through 2026-01-31
Thu,Fri,Sun 18:05 Houston Hobby (HOU) 21:00 Atlanta (ATL) N
WN 257 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:05 Houston Hobby (HOU) 21:00 Atlanta (ATL) N
WN 257 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-01-19 through 2026-01-25
Sun 18:05 Houston Hobby (HOU) 21:00 Atlanta (ATL) N
WN 257 Non-stop Boeing 737-800 (73H) 1:55 Operates only on 2026-02-01
Tue,Wed 18:10 Detroit (DTW) E 19:20 Denver (DEN)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-03-10 through 2026-04-01
Tue,Wed 18:15 San Antonio (SAT) A 19:50 Phoenix Sky Harbor (PHX) 4
WN 257 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-10 through 2026-02-11
Tue,Wed 18:15 San Antonio (SAT) A 19:50 Phoenix Sky Harbor (PHX) 4
WN 257 Non-stop Boeing 737-800 (73H) 2:35 Effective 2026-02-18 through 2026-03-04
Mon,Thu,Fri 18:40 Detroit (DTW) E 19:50 Denver (DEN)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-03-05 through 2026-04-06
Sat 19:00 Detroit (DTW) E 20:10 Denver (DEN)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-03-07 through 2026-04-04
Sun 19:00 Detroit (DTW) E 20:10 Denver (DEN)
WN 257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 19:25 Dallas Love Field (DAL) 1 22:40 Tampa (TPA)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 19:25 Dallas Love Field (DAL) 1 22:40 Tampa (TPA)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-15 through 2026-02-19
Mon 19:25 Dallas Love Field (DAL) 1 22:40 Tampa (TPA)
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-02-23 through 2026-03-02
Sat 19:50 Houston Hobby (HOU) 22:45 Atlanta (ATL) N
WN 257 Non-stop Boeing 737-800 (73H) 1:55 Effective 2026-02-14 through 2026-02-28
Sat 20:05 San Francisco (SFO) 2 21:30 Los Angeles (LAX) 1
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 20:20 Houston Hobby (HOU) 23:15 Atlanta (ATL) N
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 20:20 Houston Hobby (HOU) 23:15 Atlanta (ATL) N
WN 257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 22:40 San Diego (SAN) 1 04:40 Chicago Midway (MDW)
WN 257 Non-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-06-04 through 2026-08-03
The flight arrives 1 day after departure.
Non-Direct Flights:
Mon 07:20 Burbank (BUR) 12:05 Seattle-Tacoma (SEA)
WN 257 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Operates only on 2026-01-05
Sun 12:40 San Diego (SAN) 1 17:25 Denver (DEN)
WN 257 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Operates only on 2026-05-24
Mon,Thu,Fri 13:55 San Diego (SAN) 1 22:40 Tampa (TPA)
WN 257 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 13:55 San Diego (SAN) 1 22:40 Tampa (TPA)
WN 257 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-02-15 through 2026-02-19
Mon 13:55 San Diego (SAN) 1 22:40 Tampa (TPA)
WN 257 1-stop Boeing 737 MAX 8 (7M8) 5:45 Effective 2026-02-23 through 2026-03-02
Sat 15:35 Tampa (TPA) 20:10 Denver (DEN)
WN 257 1-stop Boeing 737 MAX 8 (7M8) 6:35 Effective 2026-03-07 through 2026-04-04
Sun 15:35 Orlando (MCO) 20:10 Denver (DEN)
WN 257 1-stop Boeing 737-800 (73H) 6:35 Effective 2026-03-08 through 2026-04-05
Tue,Wed 15:55 Baltimore (BWI) 19:20 Denver (DEN)
WN 257 1-stop Boeing 737 MAX 8 (7M8) 5:25 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 16:25 Baltimore (BWI) 19:50 Denver (DEN)
WN 257 1-stop Boeing 737 MAX 8 (7M8) 5:25 Effective 2026-03-05 through 2026-04-06
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 257: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN257
06:15
Oakland (OAK) 2

07:45
San Diego (SAN) 1
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
06:15
Oakland (OAK) 2

07:45
San Diego (SAN) 1
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
06:45
Oakland (OAK) 2

08:15
San Diego (SAN) 1
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
07:10
Burbank (BUR)

08:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
07:20
Burbank (BUR)

08:35
Las Vegas Harry Reid (LAS) 1
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
09:05
Las Vegas Harry Reid (LAS) 1

11:55
Seattle-Tacoma (SEA)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
09:15
Las Vegas Harry Reid (LAS) 1

12:05
Seattle-Tacoma (SEA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
10:15
Saint Louis (STL) 2

12:50
Atlanta (ATL) N
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
11:25
Louisville (SDF)

13:25
Orlando (MCO)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
12:40
San Diego (SAN) 1

16:00
Colorado Springs (COS)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
13:55
San Diego (SAN) 1

18:45
Dallas Love Field (DAL) 1
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
13:55
San Diego (SAN) 1

18:45
Dallas Love Field (DAL) 1
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
13:55
San Diego (SAN) 1

18:45
Dallas Love Field (DAL) 1
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
14:45
Grand Rapids (GRR)

15:20
Nashville (BNA)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
15:35
Tampa (TPA)

18:20
Detroit (DTW) E
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
15:35
Orlando (MCO)

18:20
Detroit (DTW) E
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
15:45
Ontario, Los Angeles (ONT) 4

17:05
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
15:55
Baltimore (BWI)

17:30
Detroit (DTW) E
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
16:00
Ontario, Los Angeles (ONT) 4

20:50
Dallas Love Field (DAL) 1
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
16:00
Ontario, Los Angeles (ONT) 4

20:50
Dallas Love Field (DAL) 1
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
16:10
San Antonio (SAT) A

17:45
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
16:25
Baltimore (BWI)

18:00
Detroit (DTW) E
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
16:35
Colorado Springs (COS)

17:25
Denver (DEN)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
18:00
Ontario, Los Angeles (ONT) 4

19:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
18:05
Houston Hobby (HOU)

21:00
Atlanta (ATL) N
Effective 2026-01-10 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
18:05
Houston Hobby (HOU)

21:00
Atlanta (ATL) N
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
18:05
Houston Hobby (HOU)

21:00
Atlanta (ATL) N
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
18:05
Houston Hobby (HOU)

21:00
Atlanta (ATL) N
Operates only on 2026-02-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
18:10
Detroit (DTW) E

19:20
Denver (DEN)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
18:15
San Antonio (SAT) A

19:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
18:15
San Antonio (SAT) A

19:50
Phoenix Sky Harbor (PHX) 4
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
18:40
Detroit (DTW) E

19:50
Denver (DEN)
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 WN257
19:00
Detroit (DTW) E

20:10
Denver (DEN)
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 WN257
19:00
Detroit (DTW) E

20:10
Denver (DEN)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
19:25
Dallas Love Field (DAL) 1

22:40
Tampa (TPA)
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
19:25
Dallas Love Field (DAL) 1

22:40
Tampa (TPA)
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
19:25
Dallas Love Field (DAL) 1

22:40
Tampa (TPA)
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
19:50
Houston Hobby (HOU)

22:45
Atlanta (ATL) N
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN257
20:05
San Francisco (SFO) 2

21:30
Los Angeles (LAX) 1
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN257
20:20
Houston Hobby (HOU)

23:15
Atlanta (ATL) N
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
20:20
Houston Hobby (HOU)

23:15
Atlanta (ATL) N
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN257
22:40
San Diego (SAN) 1

04:40(+1)
Chicago Midway (MDW)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN257
07:20
Burbank (BUR)

12:05
Seattle-Tacoma (SEA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN257
12:40
San Diego (SAN) 1

17:25
Denver (DEN)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN257
13:55
San Diego (SAN) 1

22:40
Tampa (TPA)
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN257
13:55
San Diego (SAN) 1

22:40
Tampa (TPA)
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN257
13:55
San Diego (SAN) 1

22:40
Tampa (TPA)
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:45, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN257
15:35
Tampa (TPA)

20:10
Denver (DEN)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:35, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN257
15:35
Orlando (MCO)

20:10
Denver (DEN)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:35, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN257
15:55
Baltimore (BWI)

19:20
Denver (DEN)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:25, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN257
16:25
Baltimore (BWI)

19:50
Denver (DEN)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:25, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Denver (DEN)
  • Baltimore (BWI) - Detroit (DTW)
  • Burbank (BUR) - Las Vegas Harry Reid (LAS)
  • Burbank (BUR) - Seattle-Tacoma (SEA)
  • Colorado Springs (COS) - Denver (DEN)
  • Dallas Love Field (DAL) - Tampa (TPA)
  • Detroit (DTW) - Denver (DEN)
  • Grand Rapids (GRR) - Nashville (BNA)
  • Houston Hobby (HOU) - Atlanta (ATL)
  • Las Vegas Harry Reid (LAS) - Seattle-Tacoma (SEA)
  • Louisville (SDF) - Orlando (MCO)
  • Oakland (OAK) - San Diego (SAN)
  • Ontario, Los Angeles (ONT) - Dallas Love Field (DAL)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Orlando (MCO) - Denver (DEN)
  • Orlando (MCO) - Detroit (DTW)
  • Saint Louis (STL) - Atlanta (ATL)
  • San Antonio (SAT) - Phoenix Sky Harbor (PHX)
  • San Diego (SAN) - Chicago Midway (MDW)
  • San Diego (SAN) - Colorado Springs (COS)
  • San Diego (SAN) - Dallas Love Field (DAL)
  • San Diego (SAN) - Denver (DEN)
  • San Diego (SAN) - Tampa (TPA)
  • San Francisco (SFO) - Los Angeles (LAX)
  • Tampa (TPA) - Denver (DEN)
  • Tampa (TPA) - Detroit (DTW)
All Southwest Airlines flights
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