Southwest Airlines flight WN 3678: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 06:50 New Orleans (MSY) 08:25 Nashville (BNA)
WN 3678 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-02
Sat 07:15 New Orleans (MSY) 08:50 Nashville (BNA)
WN 3678 Non-stop Boeing 737-800 (73H) 1:35 Valid until 2025-05-31
Sun 08:55 New Orleans (MSY) 10:30 Nashville (BNA)
WN 3678 Non-stop Boeing 737-800 (73H) 1:35 Operates only on 2025-06-01
Mon,Thu,Fri 09:00 Nashville (BNA) 10:35 Midway, Chicago (MDW)
WN 3678 Non-stop Boeing 737-700 (73W) 1:35 Valid until 2025-06-02
Sun 09:15 Midway, Chicago (MDW) 12:30 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 09:35 Midway, Chicago (MDW) 12:50 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-02 through 2025-11-16
Mon-Wed,Fri,Sun 09:35 Midway, Chicago (MDW) 12:50 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-11-21 through 2025-11-28
Mon,Sun 09:35 Midway, Chicago (MDW) 12:50 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-01 through 2025-12-07
Thu,Fri,Sun 09:35 Midway, Chicago (MDW) 12:50 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-12 through 2025-12-21
Mon,Tue,Fri,Sun 09:35 Midway, Chicago (MDW) 12:50 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-12-22 through 2026-01-05
Fri 09:45 Denver (DEN) 11:25 San Francisco (SFO) 2
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Operates only on 2025-07-04
Sat 09:50 Midway, Chicago (MDW) 13:10 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-08 through 2026-01-03
Sun 10:00 New Orleans (MSY) 11:35 Nashville (BNA)
WN 3678 Non-stop Boeing 737-800 (73H) 1:35 Valid until 2025-05-18
Tue,Wed 10:25 New Orleans (MSY) 13:55 Ronald Reagan Washington (DCA)
WN 3678 Non-stop Boeing 737-700 (73W) 2:30 Effective 2025-06-10 through 2025-07-30
Sun 16:20 San Antonio (SAT) A 17:30 Love Field, Dallas (DAL) 1
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 1:10 Effective 2025-06-08 through 2025-08-03
Sun 18:10 Love Field, Dallas (DAL) 1 18:55 Albuquerque (ABQ)
WN 3678 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-06-08 through 2025-08-03
Tue,Wed 18:15 Midway, Chicago (MDW) 21:35 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 18:15 Midway, Chicago (MDW) 21:35 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 18:15 Midway, Chicago (MDW) 21:35 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 18:15 Midway, Chicago (MDW) 21:35 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 18:15 Midway, Chicago (MDW) 21:35 Boston Logan (BOS) B
WN 3678 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-24 through 2026-01-01
Sun 18:35 Las Vegas Harry Reid (LAS) 1 21:20 El Paso (ELP)
WN 3678 Non-stop Boeing 737-700 (73W) 1:45 Operates only on 2025-05-25
Non-Direct Flights:
Mon,Thu,Fri 06:50 New Orleans (MSY) 10:35 Midway, Chicago (MDW)
WN 3678 1-stop Boeing 737-700 (73W) 3:45 Valid until 2025-06-02
Sun 16:20 San Antonio (SAT) A 18:55 Albuquerque (ABQ)
WN 3678 1-stop Boeing 737 MAX 8 (7M8) 3:35 Effective 2025-06-08 through 2025-08-03
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3678: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3678
06:50
New Orleans (MSY)

08:25
Nashville (BNA)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3678
07:15
New Orleans (MSY)

08:50
Nashville (BNA)
Valid until 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
08:55
New Orleans (MSY)

10:30
Nashville (BNA)
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
09:00
Nashville (BNA)

10:35
Midway, Chicago (MDW)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3678
09:15
Midway, Chicago (MDW)

12:30
Boston Logan (BOS) B
Operates only on 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
09:35
Midway, Chicago (MDW)

12:50
Boston Logan (BOS) B
Effective 2025-11-02 through 2025-11-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
09:35
Midway, Chicago (MDW)

12:50
Boston Logan (BOS) B
Effective 2025-11-21 through 2025-11-28
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
09:35
Midway, Chicago (MDW)

12:50
Boston Logan (BOS) B
Effective 2025-12-01 through 2025-12-07
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
09:35
Midway, Chicago (MDW)

12:50
Boston Logan (BOS) B
Effective 2025-12-12 through 2025-12-21
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
09:35
Midway, Chicago (MDW)

12:50
Boston Logan (BOS) B
Effective 2025-12-22 through 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
09:45
Denver (DEN)

11:25
San Francisco (SFO) 2
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
09:50
Midway, Chicago (MDW)

13:10
Boston Logan (BOS) B
Effective 2025-11-08 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
10:00
New Orleans (MSY)

11:35
Nashville (BNA)
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
10:25
New Orleans (MSY)

13:55
Ronald Reagan Washington (DCA)
Effective 2025-06-10 through 2025-07-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3678
16:20
San Antonio (SAT) A

17:30
Love Field, Dallas (DAL) 1
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
18:10
Love Field, Dallas (DAL) 1

18:55
Albuquerque (ABQ)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN3678
18:15
Midway, Chicago (MDW)

21:35
Boston Logan (BOS) B
Effective 2025-11-04 through 2025-11-12
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
18:15
Midway, Chicago (MDW)

21:35
Boston Logan (BOS) B
Effective 2025-11-17 through 2025-11-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
18:15
Midway, Chicago (MDW)

21:35
Boston Logan (BOS) B
Effective 2025-12-02 through 2025-12-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
18:15
Midway, Chicago (MDW)

21:35
Boston Logan (BOS) B
Effective 2025-12-15 through 2025-12-17
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
18:15
Midway, Chicago (MDW)

21:35
Boston Logan (BOS) B
Effective 2025-12-24 through 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN3678
18:35
Las Vegas Harry Reid (LAS) 1

21:20
El Paso (ELP)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (73W)
Non-Direct Flights:
Southwest Airlines WN3678
06:50
New Orleans (MSY)

10:35
Midway, Chicago (MDW)
Valid until 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, 1-stop
Boeing 737-700 (73W)
Southwest Airlines WN3678
16:20
San Antonio (SAT) A

18:55
Albuquerque (ABQ)
Effective 2025-06-08 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, 1-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - San Francisco (SFO)
  • Las Vegas Harry Reid (LAS) - El Paso (ELP)
  • Love Field, Dallas (DAL) - Albuquerque (ABQ)
  • Midway, Chicago (MDW) - Boston Logan (BOS)
  • Nashville (BNA) - Midway, Chicago (MDW)
  • New Orleans (MSY) - Midway, Chicago (MDW)
  • New Orleans (MSY) - Nashville (BNA)
  • New Orleans (MSY) - Ronald Reagan Washington (DCA)
  • San Antonio (SAT) - Albuquerque (ABQ)
  • San Antonio (SAT) - Love Field, Dallas (DAL)
All Southwest Airlines flights
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