Southwest Airlines flight WN 377: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sun 05:45 Indianapolis (IND) 07:20 Baltimore (BWI)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Effective 2026-04-12 through 2026-05-17
Sun 05:45 Indianapolis (IND) 07:20 Baltimore (BWI)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2026-05-31
Sat 05:45 Birmingham (BHM) 07:30 Houston Hobby (HOU)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-08-08 through 2026-09-26
Sun 07:10 Indianapolis (IND) 08:50 Baltimore (BWI)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 1:40 Operates only on 2026-05-24
Mon,Thu,Fri 08:55 Milwaukee (MKE) 10:30 Nashville (BNA)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-04-09 through 2026-06-01
Sat 09:20 Baltimore (BWI) 11:00 Grand Rapids (GRR)
WN 377 Non-stop Boeing 737-800 (73H) 1:40 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 10:20 Chicago Midway (MDW) 12:40 Salt Lake City (SLC)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 3:20 Effective 2026-08-06 through 2026-09-28
Sat 11:40 Grand Rapids (GRR) 12:30 Denver (DEN)
WN 377 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-06-06 through 2026-08-01
Sun 14:00 New Orleans (MSY) 15:45 Denver (DEN)
WN 377 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-09 through 2026-09-27
Wed,Thu 14:15 Phoenix Sky Harbor (PHX) 4 16:00 Denver (DEN)
WN 377 Non-stop Boeing 737-700 (73W) 1:45 Valid until 2026-01-01
Sat 15:10 Ronald Reagan Washington (DCA) 1 16:30 Milwaukee (MKE)
WN 377 Non-stop Boeing 737-800 (73H) 2:20 Effective 2026-03-07 through 2026-04-04
Wed 15:15 Chicago O'Hare (ORD) 5 18:00 Austin (AUS)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-08-05 through 2026-09-30
Mon,Thu,Fri 15:35 Ronald Reagan Washington (DCA) 1 16:55 Milwaukee (MKE)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2026-03-05 through 2026-04-06
Sun 15:45 Ronald Reagan Washington (DCA) 1 17:00 Milwaukee (MKE)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-08 through 2026-04-05
Tue,Wed 16:00 Ronald Reagan Washington (DCA) 1 17:15 Milwaukee (MKE)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-10 through 2026-04-01
Mon,Thu,Fri 17:30 Milwaukee (MKE) 18:55 Saint Louis (STL) 2
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-03-05 through 2026-04-06
Sat 17:50 Oakland (OAK) 2 19:00 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-01-10 through 2026-02-07
Tue,Wed 17:50 Milwaukee (MKE) 19:25 Denver (DEN)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2026-03-10 through 2026-04-01
Sat 18:00 Orlando (MCO) 19:35 Atlanta (ATL) N
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2026-01-03
Thu,Fri,Sun 18:35 Oakland (OAK) 2 19:50 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-11 through 2026-01-16
Mon,Sun 18:35 Oakland (OAK) 2 19:50 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 18:35 Oakland (OAK) 2 19:50 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-01 through 2026-02-06
Mon,Sun 18:35 Oakland (OAK) 2 19:50 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 18:35 Oakland (OAK) 2 19:50 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-17 through 2026-02-23
Mon 18:35 Oakland (OAK) 2 19:50 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Operates only on 2026-03-02
Tue 18:35 Santa Ana (SNA) 19:50 San Jose (SJC) B
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 1:15 Effective 2026-08-04 through 2026-09-29
Mon-Fri,Sun 18:40 Los Angeles (LAX) 1 21:20 Honolulu (HNL) 2
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2026-06-04 through 2026-08-03
Mon-Fri 18:55 Oakland (OAK) 2 20:10 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 18:55 Oakland (OAK) 2 20:10 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-18 through 2026-01-23
Mon-Fri 18:55 Oakland (OAK) 2 20:10 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 18:55 Oakland (OAK) 2 20:10 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-08 through 2026-02-11
Tue,Wed 18:55 Oakland (OAK) 2 20:10 Burbank (BUR)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-02-18 through 2026-03-04
Sat 19:15 Baltimore (BWI) 21:25 Jacksonville (JAX)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-02-14 through 2026-02-28
Mon,Tue,Fri,Sun 19:40 Atlanta (ATL) N 21:00 Houston Hobby (HOU)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Valid until 2026-01-04
Mon,Thu,Fri 19:50 Baltimore (BWI) 22:00 Jacksonville (JAX)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 19:50 Baltimore (BWI) 22:00 Jacksonville (JAX)
WN 377 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-02-20 through 2026-03-01
Mon 21:55 Atlanta (ATL) N 23:10 Houston Hobby (HOU)
WN 377 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-01-05
Non-Direct Flights:
Sat 09:20 Baltimore (BWI) 12:30 Denver (DEN)
WN 377 1-stop Boeing 737-800 (73H) 5:10 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 15:35 Ronald Reagan Washington (DCA) 1 18:55 Saint Louis (STL) 2
WN 377 1-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2026-03-05 through 2026-04-06
Tue,Wed 16:00 Ronald Reagan Washington (DCA) 1 19:25 Denver (DEN)
WN 377 1-stop Boeing 737-700 (Scimitar Winglets) 5:25 Effective 2026-03-10 through 2026-04-01
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This flight number is listed as serving the following routes:
Southwest Airlines flight WN 377: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN377
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN377
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN377
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN377
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (73W)

Direct Flights:

Southwest Airlines WN377
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN377
Effective 2026-08-05 through 2026-09-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-08-04 through 2026-09-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-06-04 through 2026-08-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:40, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN377
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN377
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:10, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN377
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN377
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:25, 1-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Houston Hobby (HOU)
  • Baltimore (BWI) - Denver (DEN)
  • Baltimore (BWI) - Grand Rapids (GRR)
  • Baltimore (BWI) - Jacksonville (JAX)
  • Birmingham (BHM) - Houston Hobby (HOU)
  • Chicago Midway (MDW) - Salt Lake City (SLC)
  • Chicago O'Hare (ORD) - Austin (AUS)
  • Grand Rapids (GRR) - Denver (DEN)
  • Indianapolis (IND) - Baltimore (BWI)
  • Los Angeles (LAX) - Honolulu (HNL)
  • Milwaukee (MKE) - Denver (DEN)
  • Milwaukee (MKE) - Nashville (BNA)
  • Milwaukee (MKE) - Saint Louis (STL)
  • New Orleans (MSY) - Denver (DEN)
  • Oakland (OAK) - Burbank (BUR)
  • Orlando (MCO) - Atlanta (ATL)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
  • Ronald Reagan Washington (DCA) - Denver (DEN)
  • Ronald Reagan Washington (DCA) - Milwaukee (MKE)
  • Ronald Reagan Washington (DCA) - Saint Louis (STL)
  • Santa Ana (SNA) - San Jose (SJC)