Southwest Airlines flight WN 1257: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 05:00 Boston Logan (BOS) B 07:45 Denver (DEN)
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 4:45 Effective 2026-03-05 through 2026-04-06
Sat 05:00 Boston Logan (BOS) B 07:45 Denver (DEN)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-03-07 through 2026-04-04
Mon,Tue,Fri,Sun 05:25 Nashville (BNA) 08:25 Phoenix Sky Harbor (PHX) 4
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Valid until 2026-01-04
Mon,Thu,Fri 07:45 Las Vegas Harry Reid (LAS) 1 10:15 Salt Lake City (SLC)
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-08-06 through 2026-09-28
Tue,Wed 08:25 Cleveland (CLE) 08:40 Chicago Midway (MDW)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 09:00 Chicago Midway (MDW) 10:25 Nashville (BNA)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-06-04 through 2026-08-03
Sun 09:05 Phoenix Sky Harbor (PHX) 4 10:25 Ontario, Los Angeles (ONT) 4
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Operates only on 2026-05-24
Tue,Wed 09:20 Chicago Midway (MDW) 10:50 Nashville (BNA)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-06-09 through 2026-07-29
Sun 09:30 Sacramento (SMF) B 11:55 Boise (BOI)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-08-09 through 2026-09-27
Sun 10:30 West Palm Beach (PBI) 13:10 Islip (ISP)
WN 1257 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-04-12 through 2026-05-17
Sun 10:30 West Palm Beach (PBI) 13:10 Islip (ISP)
WN 1257 Non-stop Boeing 737-800 (73H) 2:40 Operates only on 2026-05-31
Tue,Wed 12:30 West Palm Beach (PBI) 15:15 Islip (ISP)
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 12:45 West Palm Beach (PBI) 15:35 Islip (ISP)
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-09 through 2026-06-01
Sat 13:45 Phoenix Sky Harbor (PHX) 4 17:05 Dallas Love Field (DAL) 1
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-10 through 2026-02-07
Tue,Wed 13:55 Las Vegas Harry Reid (LAS) 1 16:25 Salt Lake City (SLC)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-04 through 2026-09-30
Sat 14:55 West Palm Beach (PBI) 17:35 Islip (ISP)
WN 1257 Non-stop Boeing 737-800 (73H) 2:40 Effective 2026-04-11 through 2026-05-30
Sat 15:30 Chicago Midway (MDW) 17:00 Nashville (BNA)
WN 1257 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 16:30 Islip (ISP) 17:50 Baltimore (BWI)
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-04-09 through 2026-06-01
Mon 16:35 Philadelphia (PHL) E 19:20 Tampa (TPA)
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Operates only on 2026-01-05
Mon-Fri 17:20 Dallas Love Field (DAL) 1 21:30 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 17:20 Dallas Love Field (DAL) 1 21:30 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-18 through 2026-01-23
Mon-Fri 17:20 Dallas Love Field (DAL) 1 21:30 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 17:20 Dallas Love Field (DAL) 1 21:30 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-08 through 2026-02-11
Tue,Wed 17:20 Dallas Love Field (DAL) 1 21:30 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-18 through 2026-03-04
Thu,Fri,Sun 17:35 Dallas Love Field (DAL) 1 21:45 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-11 through 2026-01-16
Mon,Sun 17:35 Dallas Love Field (DAL) 1 21:45 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 17:35 Dallas Love Field (DAL) 1 21:45 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-01 through 2026-02-06
Mon,Sun 17:35 Dallas Love Field (DAL) 1 21:45 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 17:35 Dallas Love Field (DAL) 1 21:45 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-17 through 2026-02-23
Mon 17:35 Dallas Love Field (DAL) 1 21:45 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Operates only on 2026-03-02
Sat 17:45 Dallas Love Field (DAL) 1 21:55 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 3:10 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 17:45 Dallas Love Field (DAL) 1 21:55 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 17:45 Dallas Love Field (DAL) 1 21:55 New York LaGuardia (LGA) B
WN 1257 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-02-20 through 2026-03-01
Thu 18:25 Portland (PDX) 20:15 San Jose (SJC) B
WN 1257 Non-stop Boeing 737-700 (73W) 1:50 Valid until 2026-01-01
Mon,Thu,Fri 18:30 Baltimore (BWI) 20:40 Phoenix Sky Harbor (PHX) 4
WN 1257 Non-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2026-04-09 through 2026-06-01
Non-Direct Flights:
Tue,Wed 08:25 Cleveland (CLE) 10:50 Nashville (BNA)
WN 1257 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 12:45 West Palm Beach (PBI) 17:50 Baltimore (BWI)
WN 1257 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2026-04-09 through 2026-06-01
Sat 13:45 Phoenix Sky Harbor (PHX) 4 21:55 New York LaGuardia (LGA) B
WN 1257 1-stop Boeing 737 MAX 8 (7M8) 6:10 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri 16:30 Islip (ISP) 20:40 Phoenix Sky Harbor (PHX) 4
WN 1257 1-stop Boeing 737 MAX 8 (7M8) 7:10 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 12:45 West Palm Beach (PBI) 20:40 Phoenix Sky Harbor (PHX) 4
WN 1257 2-stop Boeing 737 MAX 8 (7M8) 10:55 Effective 2026-04-09 through 2026-06-01
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 1257: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN1257
Effective 2026-03-05 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:10, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN1257
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:10, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1257
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1257
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:10, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:10, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN1257
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 10:55, 2-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Baltimore (BWI) - Phoenix Sky Harbor (PHX)
  • Boston Logan (BOS) - Denver (DEN)
  • Chicago Midway (MDW) - Nashville (BNA)
  • Cleveland (CLE) - Chicago Midway (MDW)
  • Cleveland (CLE) - Nashville (BNA)
  • Dallas Love Field (DAL) - New York LaGuardia (LGA)
  • Islip (ISP) - Baltimore (BWI)
  • Islip (ISP) - Phoenix Sky Harbor (PHX)
  • Las Vegas Harry Reid (LAS) - Salt Lake City (SLC)
  • Nashville (BNA) - Phoenix Sky Harbor (PHX)
  • Philadelphia (PHL) - Tampa (TPA)
  • Phoenix Sky Harbor (PHX) - Dallas Love Field (DAL)
  • Phoenix Sky Harbor (PHX) - New York LaGuardia (LGA)
  • Phoenix Sky Harbor (PHX) - Ontario, Los Angeles (ONT)
  • Portland (PDX) - San Jose (SJC)
  • Sacramento (SMF) - Boise (BOI)
  • West Palm Beach (PBI) - Baltimore (BWI)
  • West Palm Beach (PBI) - Islip (ISP)
  • West Palm Beach (PBI) - Phoenix Sky Harbor (PHX)