Southwest Airlines flight WN 3942: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 05:35 Ontario, Los Angeles (ONT) 4 08:45 Denver (DEN)
WN 3942 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-08-09 through 2025-09-27
Sun 05:55 Ontario, Los Angeles (ONT) 4 09:05 Denver (DEN)
WN 3942 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-08-10 through 2025-08-24
Sun 05:55 Ontario, Los Angeles (ONT) 4 09:05 Denver (DEN)
WN 3942 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-09-07 through 2025-09-28
Mon,Thu,Fri 06:20 Louisville (SDF) 06:35 Midway, Chicago (MDW)
WN 3942 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 06:20 Louisville (SDF) 06:35 Midway, Chicago (MDW)
WN 3942 Non-stop Boeing 737-700 (73W) 1:15 Effective 2025-07-07 through 2025-08-04
Sat 06:25 Louisville (SDF) 06:40 Midway, Chicago (MDW)
WN 3942 Non-stop Boeing 737-800 (73H) 1:15 Effective 2025-06-07 through 2025-08-02
Fri 07:00 Louisville (SDF) 07:15 Midway, Chicago (MDW)
WN 3942 Non-stop Boeing 737-700 (73W) 1:15 Operates only on 2025-07-04
Mon,Thu,Fri 07:00 Ontario, Los Angeles (ONT) 4 10:15 Denver (DEN)
WN 3942 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-08-07 through 2025-09-29
Mon,Thu,Fri 07:15 Midway, Chicago (MDW) 10:45 Tampa (TPA)
WN 3942 Non-stop Boeing 737-700 (73W) 2:30 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 07:15 Midway, Chicago (MDW) 10:45 Tampa (TPA)
WN 3942 Non-stop Boeing 737-700 (73W) 2:30 Effective 2025-07-07 through 2025-08-04
Sun 07:40 Denver (DEN) 09:10 Spokane (GEG)
WN 3942 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Operates only on 2025-11-30
Sat 07:55 Phoenix Sky Harbor (PHX) 4 09:50 San Jose (SJC) B
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 08:35 Phoenix Sky Harbor (PHX) 4 10:30 San Jose (SJC) B
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri 09:25 Oakland (OAK) 2 10:35 Santa Barbara (SBA)
WN 3942 Non-stop Boeing 737-800 (73H) 1:10 Valid until 2025-06-02
Sun 11:00 Ontario, Los Angeles (ONT) 4 14:15 Denver (DEN)
WN 3942 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2025-08-31
Sun 13:05 Phoenix Sky Harbor (PHX) 4 14:55 San Jose (SJC) B
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2025-10-05 through 2025-10-26
Sat 13:40 Birmingham (BHM) 16:35 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-11-22 through 2025-11-29
Sat 13:40 Birmingham (BHM) 16:35 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 3:55 Effective 2025-12-20 through 2026-01-03
Tue,Wed 14:20 Midway, Chicago (MDW) 17:55 Tampa (TPA)
WN 3942 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-06-10 through 2025-07-30
Tue,Wed 14:45 Ontario, Los Angeles (ONT) 4 18:00 Denver (DEN)
WN 3942 Non-stop Boeing 737-800 (73H) 2:15 Effective 2025-08-05 through 2025-10-01
Tue,Wed 15:00 Phoenix Sky Harbor (PHX) 4 16:50 San Jose (SJC) B
WN 3942 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-10-07 through 2025-10-29
Sat 17:15 Phoenix Sky Harbor (PHX) 4 19:00 Denver (DEN)
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-22 through 2025-11-29
Sat 17:15 Phoenix Sky Harbor (PHX) 4 19:00 Denver (DEN)
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-20 through 2026-01-03
Mon-Wed 17:35 Phoenix Sky Harbor (PHX) 4 19:20 Denver (DEN)
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 17:35 Phoenix Sky Harbor (PHX) 4 19:20 Denver (DEN)
WN 3942 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-12-19 through 2026-01-04
Sun 18:20 Nashville (BNA) 20:05 Kansas City (MCI)
WN 3942 Non-stop Boeing 737-700 (73W) 1:45 Valid until 2025-05-18
Sun 18:20 Nashville (BNA) 20:05 Kansas City (MCI)
WN 3942 Non-stop Boeing 737-700 (73W) 1:45 Operates only on 2025-06-01
Sat 18:55 Kansas City (MCI) 19:45 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737-800 (73H) 2:50 Valid until 2025-05-31
Sun 18:55 Kansas City (MCI) 19:45 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737-700 (73W) 2:50 Operates only on 2025-05-25
Tue,Wed 20:35 Kansas City (MCI) 21:25 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737-700 (73W) 2:50 Valid until 2025-06-04
Sun 20:40 Kansas City (MCI) 21:30 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737-700 (73W) 2:50 Valid until 2025-05-18
Sun 20:40 Kansas City (MCI) 21:30 Phoenix Sky Harbor (PHX) 4
WN 3942 Non-stop Boeing 737-700 (73W) 2:50 Operates only on 2025-06-01
Non-Direct Flights:
Mon,Thu,Fri 06:20 Louisville (SDF) 10:45 Tampa (TPA)
WN 3942 1-stop Boeing 737-700 (73W) 4:25 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 06:20 Louisville (SDF) 10:45 Tampa (TPA)
WN 3942 1-stop Boeing 737-700 (73W) 4:25 Effective 2025-07-07 through 2025-08-04
Sat 13:40 Birmingham (BHM) 19:00 Denver (DEN)
WN 3942 1-stop Boeing 737 MAX 8 (7M8) 6:20 Effective 2025-11-22 through 2025-11-29
Sat 13:40 Birmingham (BHM) 19:00 Denver (DEN)
WN 3942 1-stop Boeing 737 MAX 8 (7M8) 6:20 Effective 2025-12-20 through 2026-01-03
Sun 18:20 Nashville (BNA) 21:30 Phoenix Sky Harbor (PHX) 4
WN 3942 1-stop Boeing 737-700 (73W) 5:10 Valid until 2025-05-18
Sun 18:20 Nashville (BNA) 21:30 Phoenix Sky Harbor (PHX) 4
WN 3942 1-stop Boeing 737-700 (73W) 5:10 Operates only on 2025-06-01
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3942: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3942
05:35
Ontario, Los Angeles (ONT) 4

08:45
Denver (DEN)
Effective 2025-08-09 through 2025-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
05:55
Ontario, Los Angeles (ONT) 4

09:05
Denver (DEN)
Effective 2025-08-10 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
05:55
Ontario, Los Angeles (ONT) 4

09:05
Denver (DEN)
Effective 2025-09-07 through 2025-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
06:20
Louisville (SDF)

06:35
Midway, Chicago (MDW)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
06:20
Louisville (SDF)

06:35
Midway, Chicago (MDW)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
06:25
Louisville (SDF)

06:40
Midway, Chicago (MDW)
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
07:00
Louisville (SDF)

07:15
Midway, Chicago (MDW)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:15, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
07:00
Ontario, Los Angeles (ONT) 4

10:15
Denver (DEN)
Effective 2025-08-07 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
07:15
Midway, Chicago (MDW)

10:45
Tampa (TPA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
07:15
Midway, Chicago (MDW)

10:45
Tampa (TPA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
07:40
Denver (DEN)

09:10
Spokane (GEG)
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3942
07:55
Phoenix Sky Harbor (PHX) 4

09:50
San Jose (SJC) B
Effective 2025-10-04 through 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
08:35
Phoenix Sky Harbor (PHX) 4

10:30
San Jose (SJC) B
Effective 2025-10-02 through 2025-10-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
09:25
Oakland (OAK) 2

10:35
Santa Barbara (SBA)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
11:00
Ontario, Los Angeles (ONT) 4

14:15
Denver (DEN)
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
13:05
Phoenix Sky Harbor (PHX) 4

14:55
San Jose (SJC) B
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
13:40
Birmingham (BHM)

16:35
Phoenix Sky Harbor (PHX) 4
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
13:40
Birmingham (BHM)

16:35
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:55, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
14:20
Midway, Chicago (MDW)

17:55
Tampa (TPA)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
14:45
Ontario, Los Angeles (ONT) 4

18:00
Denver (DEN)
Effective 2025-08-05 through 2025-10-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
15:00
Phoenix Sky Harbor (PHX) 4

16:50
San Jose (SJC) B
Effective 2025-10-07 through 2025-10-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)
Southwest Airlines WN3942
17:15
Phoenix Sky Harbor (PHX) 4

19:00
Denver (DEN)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
17:15
Phoenix Sky Harbor (PHX) 4

19:00
Denver (DEN)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
17:35
Phoenix Sky Harbor (PHX) 4

19:20
Denver (DEN)
Effective 2025-11-25 through 2025-12-01
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
17:35
Phoenix Sky Harbor (PHX) 4

19:20
Denver (DEN)
Effective 2025-12-19 through 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
18:20
Nashville (BNA)

20:05
Kansas City (MCI)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
18:20
Nashville (BNA)

20:05
Kansas City (MCI)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
18:55
Kansas City (MCI)

19:45
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3942
18:55
Kansas City (MCI)

19:45
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
20:35
Kansas City (MCI)

21:25
Phoenix Sky Harbor (PHX) 4
Valid until 2025-06-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
20:40
Kansas City (MCI)

21:30
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
20:40
Kansas City (MCI)

21:30
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:50, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN3942
06:20
Louisville (SDF)

10:45
Tampa (TPA)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
06:20
Louisville (SDF)

10:45
Tampa (TPA)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
13:40
Birmingham (BHM)

19:00
Denver (DEN)
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:20, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
13:40
Birmingham (BHM)

19:00
Denver (DEN)
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:20, 1-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3942
18:20
Nashville (BNA)

21:30
Phoenix Sky Harbor (PHX) 4
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3942
18:20
Nashville (BNA)

21:30
Phoenix Sky Harbor (PHX) 4
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:10, 1-stop
Boeing 737-700 (73W)
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Parallax here
This flight number is listed as serving the following routes:
  • Birmingham (BHM) - Denver (DEN)
  • Birmingham (BHM) - Phoenix Sky Harbor (PHX)
  • Denver (DEN) - Spokane (GEG)
  • Kansas City (MCI) - Phoenix Sky Harbor (PHX)
  • Louisville (SDF) - Midway, Chicago (MDW)
  • Louisville (SDF) - Tampa (TPA)
  • Midway, Chicago (MDW) - Tampa (TPA)
  • Nashville (BNA) - Kansas City (MCI)
  • Nashville (BNA) - Phoenix Sky Harbor (PHX)
  • Oakland (OAK) - Santa Barbara (SBA)
  • Ontario, Los Angeles (ONT) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
  • Phoenix Sky Harbor (PHX) - San Jose (SJC)
All Southwest Airlines flights
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