Southwest Airlines flight WN 1251: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 05:20 Ontario, Los Angeles (ONT) 4 06:30 Phoenix Sky Harbor (PHX) 4
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-10-02 through 2025-10-31
Sat 05:40 Ontario, Los Angeles (ONT) 4 06:55 Phoenix Sky Harbor (PHX) 4
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2025-10-04 through 2025-11-01
Tue,Wed 06:40 Ontario, Los Angeles (ONT) 4 07:55 Phoenix Sky Harbor (PHX) 4
WN 1251 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 07:10 Phoenix Sky Harbor (PHX) 4 12:25 Nashville (BNA)
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2025-10-02 through 2025-10-31
Thu 08:00 Denver (DEN) 11:30 Houston Hobby (HOU)
WN 1251 Non-stop Boeing 737-800 (73H) 2:30 Operates only on 2025-11-27
Sat 08:15 Midway, Chicago (MDW) 09:55 Denver (DEN)
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Valid until 2025-05-31
Sun 09:05 Nashville (BNA) 12:10 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:05 Operates only on 2025-11-30
Sat 09:40 Nashville (BNA) 12:45 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-11-22 through 2025-11-29
Sat 09:40 Nashville (BNA) 12:45 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-12-20 through 2026-01-03
Mon,Thu,Fri,Sun 09:55 Nashville (BNA) 13:00 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 09:55 Nashville (BNA) 13:00 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-11-21 through 2025-11-28
Fri,Sun 09:55 Nashville (BNA) 13:00 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-12-07 through 2025-12-14
Thu 09:55 Nashville (BNA) 13:00 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2025-12-18
Mon 09:55 Nashville (BNA) 13:00 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2026-01-05
Mon-Wed 10:15 Nashville (BNA) 13:20 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:05 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 10:15 Nashville (BNA) 13:20 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:05 Effective 2025-12-19 through 2026-01-04
Sat 10:20 San Diego (SAN) 1 17:20 Indianapolis (IND)
WN 1251 Non-stop Boeing 737-800 (73H) 4:00 Effective 2025-06-07 through 2025-08-02
Sun 10:55 Baltimore (BWI) 11:50 Nashville (BNA)
WN 1251 Non-stop Boeing 737-700 (73W) 1:55 Operates only on 2025-08-31
Sun 11:15 Baltimore (BWI) 12:10 Nashville (BNA)
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-08-10 through 2025-08-24
Sun 11:15 Baltimore (BWI) 12:10 Nashville (BNA)
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-09-07 through 2025-09-28
Sun 11:35 Phoenix Sky Harbor (PHX) 4 13:05 Burbank (BUR)
WN 1251 Non-stop Boeing 737-700 (73W) 1:30 Valid until 2025-05-18
Sun 11:35 Phoenix Sky Harbor (PHX) 4 13:05 Burbank (BUR)
WN 1251 Non-stop Boeing 737-700 (73W) 1:30 Operates only on 2025-06-01
Mon,Thu,Fri 13:45 Baltimore (BWI) 14:40 Nashville (BNA)
WN 1251 Non-stop Boeing 737-800 (73H) 1:55 Effective 2025-08-07 through 2025-09-29
Tue,Wed 14:35 Nashville (BNA) 17:35 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-11-04 through 2025-11-12
Mon-Thu 14:35 Nashville (BNA) 17:35 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-11-17 through 2025-11-20
Mon-Fri 14:35 Nashville (BNA) 17:35 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-12-02 through 2025-12-11
Mon-Wed 14:35 Nashville (BNA) 17:35 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-12-15 through 2025-12-17
Wed,Thu 14:35 Nashville (BNA) 17:35 Philadelphia (PHL) E
WN 1251 Non-stop Boeing 737-800 (73H) 2:00 Effective 2025-12-24 through 2026-01-01
Sat 15:10 Baltimore (BWI) 16:05 Nashville (BNA)
WN 1251 Non-stop Boeing 737-700 (73W) 1:55 Effective 2025-08-09 through 2025-09-27
Sun 16:40 Omaha (OMA) 18:05 Midway, Chicago (MDW)
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Effective 2025-06-08 through 2025-08-03
Tue,Wed 16:45 Baltimore (BWI) 17:40 Nashville (BNA)
WN 1251 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-08-05 through 2025-10-01
Sat 18:05 Indianapolis (IND) 20:35 Orlando (MCO)
WN 1251 Non-stop Boeing 737-800 (73H) 2:30 Effective 2025-06-07 through 2025-08-02
Tue,Wed 19:45 Oakland (OAK) 2 21:00 Burbank (BUR)
WN 1251 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-10 through 2025-07-30
Non-Direct Flights:
Mon,Thu,Fri 05:20 Ontario, Los Angeles (ONT) 4 12:25 Nashville (BNA)
WN 1251 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-10-02 through 2025-10-31
Sat 10:20 San Diego (SAN) 1 20:35 Orlando (MCO)
WN 1251 1-stop Boeing 737-800 (73H) 7:15 Effective 2025-06-07 through 2025-08-02
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 1251: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1251
05:20
Ontario, Los Angeles (ONT) 4

06:30
Phoenix Sky Harbor (PHX) 4
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
05:40
Ontario, Los Angeles (ONT) 4

06:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
06:40
Ontario, Los Angeles (ONT) 4

07:55
Phoenix Sky Harbor (PHX) 4
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN1251
07:10
Phoenix Sky Harbor (PHX) 4

12:25
Nashville (BNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
08:00
Denver (DEN)

11:30
Houston Hobby (HOU)
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
08:15
Midway, Chicago (MDW)

09:55
Denver (DEN)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:05
Nashville (BNA)

12:10
Philadelphia (PHL) E
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
09:40
Nashville (BNA)

12:45
Philadelphia (PHL) E
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:40
Nashville (BNA)

12:45
Philadelphia (PHL) E
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:55
Nashville (BNA)

13:00
Philadelphia (PHL) E
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:55
Nashville (BNA)

13:00
Philadelphia (PHL) E
Effective 2025-11-21 through 2025-11-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:55
Nashville (BNA)

13:00
Philadelphia (PHL) E
Effective 2025-12-07 through 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:55
Nashville (BNA)

13:00
Philadelphia (PHL) E
Operates only on 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
09:55
Nashville (BNA)

13:00
Philadelphia (PHL) E
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
10:15
Nashville (BNA)

13:20
Philadelphia (PHL) E
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
10:15
Nashville (BNA)

13:20
Philadelphia (PHL) E
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
10:20
San Diego (SAN) 1

17:20
Indianapolis (IND)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
10:55
Baltimore (BWI)

11:50
Nashville (BNA)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1251
11:15
Baltimore (BWI)

12:10
Nashville (BNA)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
11:15
Baltimore (BWI)

12:10
Nashville (BNA)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
11:35
Phoenix Sky Harbor (PHX) 4

13:05
Burbank (BUR)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1251
11:35
Phoenix Sky Harbor (PHX) 4

13:05
Burbank (BUR)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1251
13:45
Baltimore (BWI)

14:40
Nashville (BNA)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
14:35
Nashville (BNA)

17:35
Philadelphia (PHL) E
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
14:35
Nashville (BNA)

17:35
Philadelphia (PHL) E
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
14:35
Nashville (BNA)

17:35
Philadelphia (PHL) E
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
14:35
Nashville (BNA)

17:35
Philadelphia (PHL) E
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
14:35
Nashville (BNA)

17:35
Philadelphia (PHL) E
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
15:10
Baltimore (BWI)

16:05
Nashville (BNA)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1251
16:40
Omaha (OMA)

18:05
Midway, Chicago (MDW)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
16:45
Baltimore (BWI)

17:40
Nashville (BNA)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
18:05
Indianapolis (IND)

20:35
Orlando (MCO)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1251
19:45
Oakland (OAK) 2

21:00
Burbank (BUR)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN1251
05:20
Ontario, Los Angeles (ONT) 4

12:25
Nashville (BNA)
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1251
10:20
San Diego (SAN) 1

20:35
Orlando (MCO)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:15, 1-stop
Boeing 737-800 (73H)
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Parallax here
This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Nashville (BNA)
  • Denver (DEN) - Houston Hobby (HOU)
  • Indianapolis (IND) - Orlando (MCO)
  • Midway, Chicago (MDW) - Denver (DEN)
  • Nashville (BNA) - Philadelphia (PHL)
  • Oakland (OAK) - Burbank (BUR)
  • Omaha (OMA) - Midway, Chicago (MDW)
  • Ontario, Los Angeles (ONT) - Nashville (BNA)
  • Ontario, Los Angeles (ONT) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Burbank (BUR)
  • Phoenix Sky Harbor (PHX) - Nashville (BNA)
  • San Diego (SAN) - Indianapolis (IND)
  • San Diego (SAN) - Orlando (MCO)
All Southwest Airlines flights
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