Southwest Airlines flight WN 3738: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 05:45 San Francisco (SFO) 2 07:40 Phoenix Sky Harbor (PHX) 4
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 06:15 Lubbock (LBB) 06:45 Denver (DEN)
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-03-05 through 2026-04-06
Sun 06:15 San Francisco (SFO) 2 08:10 Phoenix Sky Harbor (PHX) 4
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-12 through 2026-05-17
Sun 06:15 San Francisco (SFO) 2 08:10 Phoenix Sky Harbor (PHX) 4
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Operates only on 2026-05-31
Sat 06:20 San Francisco (SFO) 2 08:15 Phoenix Sky Harbor (PHX) 4
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2026-04-11 through 2026-05-30
Tue,Wed 06:40 Lubbock (LBB) 07:10 Denver (DEN)
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-03-10 through 2026-04-01
Sat 06:50 Lubbock (LBB) 07:25 Denver (DEN)
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-03-07 through 2026-04-04
Sun 07:05 Lubbock (LBB) 07:40 Denver (DEN)
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-03-08 through 2026-04-05
Mon,Thu,Fri 07:25 Salt Lake City (SLC) 08:55 Denver (DEN)
WN 3738 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-06-04 through 2026-08-03
Mon,Thu,Fri 07:30 San Francisco (SFO) 2 09:25 Phoenix Sky Harbor (PHX) 4
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Effective 2026-04-09 through 2026-06-01
Sat 07:45 Salt Lake City (SLC) 09:15 Denver (DEN)
WN 3738 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-06-06 through 2026-08-01
Sun 07:45 Salt Lake City (SLC) 09:15 Denver (DEN)
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 07:50 Saint Louis (STL) 2 10:25 Atlanta (ATL) N
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 07:50 Saint Louis (STL) 2 10:25 Atlanta (ATL) N
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-02-20 through 2026-03-01
Tue,Wed 07:55 Salt Lake City (SLC) 09:25 Denver (DEN)
WN 3738 Non-stop Boeing 737-800 (73H) 1:30 Effective 2026-06-09 through 2026-07-29
Sun 08:00 San Francisco (SFO) 2 09:55 Phoenix Sky Harbor (PHX) 4
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 1:55 Operates only on 2026-05-24
Tue,Wed 08:50 Chicago Midway (MDW) 12:05 Norfolk (ORF)
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 10:00 Phoenix Sky Harbor (PHX) 4 16:35 Atlanta (ATL) N
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 3:35 Effective 2026-04-09 through 2026-06-01
Mon,Thu-Sat 11:00 Atlanta (ATL) N 12:30 Houston Hobby (HOU)
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-02-12 through 2026-02-16
Thu-Sun 11:00 Atlanta (ATL) N 12:30 Houston Hobby (HOU)
WN 3738 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Effective 2026-02-20 through 2026-03-01
Sat 15:50 Raleigh/Durham (RDU) 1 16:50 Chicago Midway (MDW)
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-08-08 through 2026-09-26
Sun 17:40 Boston Logan (BOS) B 19:20 Chicago Midway (MDW)
WN 3738 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 19:55 Tampa (TPA) 23:05 Luis Munoz Marin, San Juan (SJU) B
WN 3738 Non-stop Boeing 737-800 (73H) 3:10 Effective 2026-08-06 through 2026-09-28
Non-Direct Flights:
Mon,Thu,Fri 07:30 San Francisco (SFO) 2 16:35 Atlanta (ATL) N
WN 3738 1-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 07:50 Saint Louis (STL) 2 12:30 Houston Hobby (HOU)
WN 3738 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 07:50 Saint Louis (STL) 2 12:30 Houston Hobby (HOU)
WN 3738 1-stop Boeing 737-700 (Scimitar Winglets) 4:40 Effective 2026-02-20 through 2026-03-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3738: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3738
05:45
San Francisco (SFO) 2

07:40
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
06:15
Lubbock (LBB)

06:45
Denver (DEN)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
06:15
San Francisco (SFO) 2

08:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
06:15
San Francisco (SFO) 2

08:10
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
06:20
San Francisco (SFO) 2

08:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
06:40
Lubbock (LBB)

07:10
Denver (DEN)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
06:50
Lubbock (LBB)

07:25
Denver (DEN)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
07:05
Lubbock (LBB)

07:40
Denver (DEN)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
07:25
Salt Lake City (SLC)

08:55
Denver (DEN)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3738
07:30
San Francisco (SFO) 2

09:25
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
07:45
Salt Lake City (SLC)

09:15
Denver (DEN)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3738
07:45
Salt Lake City (SLC)

09:15
Denver (DEN)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
07:50
Saint Louis (STL) 2

10:25
Atlanta (ATL) N
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
07:50
Saint Louis (STL) 2

10:25
Atlanta (ATL) N
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
07:55
Salt Lake City (SLC)

09:25
Denver (DEN)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3738
08:00
San Francisco (SFO) 2

09:55
Phoenix Sky Harbor (PHX) 4
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
08:50
Chicago Midway (MDW)

12:05
Norfolk (ORF)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
10:00
Phoenix Sky Harbor (PHX) 4

16:35
Atlanta (ATL) N
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
11:00
Atlanta (ATL) N

12:30
Houston Hobby (HOU)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
11:00
Atlanta (ATL) N

12:30
Houston Hobby (HOU)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN3738
15:50
Raleigh/Durham (RDU) 1

16:50
Chicago Midway (MDW)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
17:40
Boston Logan (BOS) B

19:20
Chicago Midway (MDW)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3738
19:55
Tampa (TPA)

23:05
Luis Munoz Marin, San Juan (SJU) B
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:10, non-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3738
07:30
San Francisco (SFO) 2

16:35
Atlanta (ATL) N
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 6:05, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3738
07:50
Saint Louis (STL) 2

12:30
Houston Hobby (HOU)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN3738
07:50
Saint Louis (STL) 2

12:30
Houston Hobby (HOU)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:40, 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)
  • Boston Logan (BOS) - Chicago Midway (MDW)
  • Chicago Midway (MDW) - Norfolk (ORF)
  • Lubbock (LBB) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - Atlanta (ATL)
  • Raleigh/Durham (RDU) - Chicago Midway (MDW)
  • Saint Louis (STL) - Atlanta (ATL)
  • Saint Louis (STL) - Houston Hobby (HOU)
  • Salt Lake City (SLC) - Denver (DEN)
  • San Francisco (SFO) - Atlanta (ATL)
  • San Francisco (SFO) - Phoenix Sky Harbor (PHX)
  • Tampa (TPA) - Luis Munoz Marin, San Juan (SJU)
All Southwest Airlines flights
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