Southwest Airlines flight WN 3151: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon 05:20 Indianapolis (IND) 07:05 Baltimore (BWI)
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Operates only on 2026-01-05
Thu,Fri,Sun 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-11 through 2026-01-16
Mon,Sun 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-19 through 2026-01-25
Thu,Sun 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-01 through 2026-02-05
Mon,Fri 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-06 through 2026-02-09
Mon,Thu,Fri,Sun 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-12 through 2026-02-16
Mon,Tue,Thu 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 2:25 Effective 2026-02-17 through 2026-02-23
Fri,Sun 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-20 through 2026-02-22
Mon,Thu,Fri,Sun 05:45 Phoenix Sky Harbor (PHX) 4 09:10 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-26 through 2026-03-02
Sat 06:05 Phoenix Sky Harbor (PHX) 4 09:30 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-02-14 through 2026-02-28
Sat 06:35 Phoenix Sky Harbor (PHX) 4 10:00 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-01-10 through 2026-02-07
Sat 06:55 Fort Myers (RSW) 09:10 Denver (DEN)
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 4:15 Operates only on 2026-01-03
Mon-Fri 07:00 Phoenix Sky Harbor (PHX) 4 10:25 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 07:00 Phoenix Sky Harbor (PHX) 4 10:25 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-18 through 2026-01-23
Mon-Fri 07:00 Phoenix Sky Harbor (PHX) 4 10:25 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 07:00 Phoenix Sky Harbor (PHX) 4 10:25 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-08 through 2026-02-11
Tue,Wed 07:00 Phoenix Sky Harbor (PHX) 4 10:25 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-02-18 through 2026-03-04
Mon-Fri,Sun 08:00 Ronald Reagan Washington (DCA) 1 09:30 Saint Louis (STL) 2
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-03-05 through 2026-04-06
Sat 08:05 Ronald Reagan Washington (DCA) 1 09:35 Saint Louis (STL) 2
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2026-03-07 through 2026-04-04
Sat 08:05 Philadelphia (PHL) E 09:10 Chicago Midway (MDW)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-08-08 through 2026-09-26
Sat 09:05 Portland (PDX) 10:50 San Jose (SJC) B
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-06-06 through 2026-08-01
Tue,Wed 09:30 San Jose (SJC) B 10:50 Ontario, Los Angeles (ONT) 4
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 1:20 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 10:50 San Jose (SJC) B 12:05 Ontario, Los Angeles (ONT) 4
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-04 through 2026-08-03
Sun 11:05 San Jose (SJC) B 12:20 Ontario, Los Angeles (ONT) 4
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 1:15 Effective 2026-06-07 through 2026-08-02
Tue,Wed 11:05 San Diego (SAN) 1 16:15 Kansas City (MCI)
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2026-08-04 through 2026-09-30
Sat 11:25 San Jose (SJC) B 12:45 Ontario, Los Angeles (ONT) 4
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 1:20 Effective 2026-06-06 through 2026-08-01
Sun 11:50 Philadelphia (PHL) E 12:50 Chicago Midway (MDW)
WN 3151 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 12:40 Ontario, Los Angeles (ONT) 4 13:45 Las Vegas Harry Reid (LAS) 1
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 12:45 Philadelphia (PHL) E 13:45 Chicago Midway (MDW)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-06 through 2026-09-28
Thu 15:35 Nashville (BNA) 17:45 Indianapolis (IND)
WN 3151 Non-stop Boeing 737-700 (73W) 1:10 Valid until 2026-01-01
Thu 18:20 Indianapolis (IND) 19:55 Baltimore (BWI)
WN 3151 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2026-01-01
Tue,Wed 20:40 Chicago Midway (MDW) 23:20 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-07 through 2026-06-03
Sun 20:40 Chicago Midway (MDW) 23:20 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Operates only on 2026-05-24
Mon,Thu,Fri,Sun 21:40 Chicago Midway (MDW) 00:20 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-04-09 through 2026-05-22
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:40 Chicago Midway (MDW) 00:20 Houston Hobby (HOU)
WN 3151 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-05-25 through 2026-06-01
The flight arrives 1 day after departure.
Non-Direct Flights:
Sat 09:05 Portland (PDX) 12:45 Ontario, Los Angeles (ONT) 4
WN 3151 1-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 10:50 San Jose (SJC) B 13:45 Las Vegas Harry Reid (LAS) 1
WN 3151 1-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-06-04 through 2026-08-03
Thu 15:35 Nashville (BNA) 19:55 Baltimore (BWI)
WN 3151 1-stop Boeing 737-700 (73W) 3:20 Valid until 2026-01-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3151: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3151
05:20
Indianapolis (IND)

07:05
Baltimore (BWI)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-02-01 through 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-02-06 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-02-20 through 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3151
05:45
Phoenix Sky Harbor (PHX) 4

09:10
Houston Hobby (HOU)
Effective 2026-02-26 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
06:05
Phoenix Sky Harbor (PHX) 4

09:30
Houston Hobby (HOU)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3151
06:35
Phoenix Sky Harbor (PHX) 4

10:00
Houston Hobby (HOU)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3151
06:55
Fort Myers (RSW)

09:10
Denver (DEN)
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
07:00
Phoenix Sky Harbor (PHX) 4

10:25
Houston Hobby (HOU)
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
07:00
Phoenix Sky Harbor (PHX) 4

10:25
Houston Hobby (HOU)
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
07:00
Phoenix Sky Harbor (PHX) 4

10:25
Houston Hobby (HOU)
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
07:00
Phoenix Sky Harbor (PHX) 4

10:25
Houston Hobby (HOU)
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
07:00
Phoenix Sky Harbor (PHX) 4

10:25
Houston Hobby (HOU)
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
08:00
Ronald Reagan Washington (DCA) 1

09:30
Saint Louis (STL) 2
Effective 2026-03-05 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
08:05
Ronald Reagan Washington (DCA) 1

09:35
Saint Louis (STL) 2
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
08:05
Philadelphia (PHL) E

09:10
Chicago Midway (MDW)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
09:05
Portland (PDX)

10:50
San Jose (SJC) B
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
09:30
San Jose (SJC) B

10:50
Ontario, Los Angeles (ONT) 4
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
10:50
San Jose (SJC) B

12:05
Ontario, Los Angeles (ONT) 4
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
11:05
San Jose (SJC) B

12:20
Ontario, Los Angeles (ONT) 4
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
11:05
San Diego (SAN) 1

16:15
Kansas City (MCI)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
11:25
San Jose (SJC) B

12:45
Ontario, Los Angeles (ONT) 4
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
11:50
Philadelphia (PHL) E

12:50
Chicago Midway (MDW)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3151
12:40
Ontario, Los Angeles (ONT) 4

13:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
12:45
Philadelphia (PHL) E

13:45
Chicago Midway (MDW)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
15:35
Nashville (BNA)

17:45
Indianapolis (IND)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN3151
18:20
Indianapolis (IND)

19:55
Baltimore (BWI)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Direct Flights:
Southwest Airlines WN3151
20:40
Chicago Midway (MDW)

23:20
Houston Hobby (HOU)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3151
20:40
Chicago Midway (MDW)

23:20
Houston Hobby (HOU)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3151
21:40
Chicago Midway (MDW)

00:20(+1)
Houston Hobby (HOU)
Effective 2026-04-09 through 2026-05-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN3151
21:40
Chicago Midway (MDW)

00:20(+1)
Houston Hobby (HOU)
Effective 2026-05-25 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN3151
09:05
Portland (PDX)

12:45
Ontario, Los Angeles (ONT) 4
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3151
10:50
San Jose (SJC) B

13:45
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3151
15:35
Nashville (BNA)

19:55
Baltimore (BWI)
Valid until 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:20, 1-stop
Boeing 737-700 (73W)
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This flight number is listed as serving the following routes:
  • Chicago Midway (MDW) - Houston Hobby (HOU)
  • Fort Myers (RSW) - Denver (DEN)
  • Indianapolis (IND) - Baltimore (BWI)
  • Nashville (BNA) - Baltimore (BWI)
  • Nashville (BNA) - Indianapolis (IND)
  • Ontario, Los Angeles (ONT) - Las Vegas Harry Reid (LAS)
  • Philadelphia (PHL) - Chicago Midway (MDW)
  • Phoenix Sky Harbor (PHX) - Houston Hobby (HOU)
  • Portland (PDX) - Ontario, Los Angeles (ONT)
  • Portland (PDX) - San Jose (SJC)
  • Ronald Reagan Washington (DCA) - Saint Louis (STL)
  • San Diego (SAN) - Kansas City (MCI)
  • San Jose (SJC) - Las Vegas Harry Reid (LAS)
  • San Jose (SJC) - Ontario, Los Angeles (ONT)
All Southwest Airlines flights
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