Southwest Airlines flight WN 3668: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 07:40 Salt Lake City (SLC) 11:40 Chicago Midway (MDW)
WN 3668 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-08-09 through 2026-09-27
Sat 10:00 Salt Lake City (SLC) 14:05 Chicago Midway (MDW)
WN 3668 Non-stop Boeing 737-800 (73H) 3:05 Effective 2026-08-08 through 2026-09-26
Wed,Thu 10:15 Saint Louis (STL) 2 12:00 Dallas Love Field (DAL) 1
WN 3668 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Valid until 2026-01-01
Mon,Thu,Fri 12:30 Las Vegas Harry Reid (LAS) 1 14:15 Sacramento (SMF) B
WN 3668 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 12:55 Chicago O'Hare (ORD) 5 16:40 Tampa (TPA)
WN 3668 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 14:35 San Jose (SJC) B 18:00 Denver (DEN)
WN 3668 Non-stop Boeing 737-800 (73H) 2:25 Effective 2026-06-04 through 2026-08-03
Sun 14:55 San Jose (SJC) B 18:20 Denver (DEN)
WN 3668 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2026-06-07 through 2026-08-02
Sun 20:15 Seattle-Tacoma (SEA) 22:35 Oakland (OAK) 2
WN 3668 Non-stop Boeing 737-800 (73H) 2:20 Operates only on 2026-05-24
Sun 22:15 Seattle-Tacoma (SEA) 00:30 Oakland (OAK) 2
WN 3668 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-04-12 through 2026-05-17
The flight arrives 1 day after departure.
Sun 22:15 Seattle-Tacoma (SEA) 00:30 Oakland (OAK) 2
WN 3668 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2026-05-31
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 3668: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN3668
07:40
Salt Lake City (SLC)

11:40
Chicago Midway (MDW)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3668
10:00
Salt Lake City (SLC)

14:05
Chicago Midway (MDW)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:05, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3668
10:15
Saint Louis (STL) 2

12:00
Dallas Love Field (DAL) 1
Valid until 2026-01-01
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3668
12:30
Las Vegas Harry Reid (LAS) 1

14:15
Sacramento (SMF) B
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3668
12:55
Chicago O'Hare (ORD) 5

16:40
Tampa (TPA)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3668
14:35
San Jose (SJC) B

18:00
Denver (DEN)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3668
14:55
San Jose (SJC) B

18:20
Denver (DEN)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN3668
20:15
Seattle-Tacoma (SEA)

22:35
Oakland (OAK) 2
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3668
22:15
Seattle-Tacoma (SEA)

00:30(+1)
Oakland (OAK) 2
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
Southwest Airlines WN3668
22:15
Seattle-Tacoma (SEA)

00:30(+1)
Oakland (OAK) 2
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Tampa (TPA)
  • Las Vegas Harry Reid (LAS) - Sacramento (SMF)
  • Saint Louis (STL) - Dallas Love Field (DAL)
  • Salt Lake City (SLC) - Chicago Midway (MDW)
  • San Jose (SJC) - Denver (DEN)
  • Seattle-Tacoma (SEA) - Oakland (OAK)
All Southwest Airlines flights
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