WestJet flight WS 6643: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Fri 16:00 Dallas Fort Worth (DFW) E 17:30 Los Angeles (LAX) 3
WS 6643 Non-stop Airbus A319 (319) 3:30 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by Delta Air Lines.(DL 521)
Tue-Fri,Sun 16:00 Dallas Fort Worth (DFW) E 17:30 Los Angeles (LAX) 3
WS 6643 Non-stop Airbus A319 (319) 3:30 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by Delta Air Lines.(DL 521)
Mon,Thu 21:40 Atlanta (ATL) S 22:51 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:11 Effective 2026-01-05 through 2026-01-15
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Fri 21:55 Atlanta (ATL) S 23:06 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-800 (738) 2:11 Effective 2026-01-09 through 2026-01-16
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Sun 21:55 Atlanta (ATL) S 23:06 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:11 Operates only on 2026-01-11
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Mon-Thu,Sun 22:40 Atlanta (ATL) S 23:51 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:11 Effective 2026-01-19 through 2026-02-05
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Fri 22:40 Atlanta (ATL) S 23:51 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-800 (738) 2:11 Effective 2026-01-23 through 2026-02-06
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Mon-Wed 22:40 Atlanta (ATL) S 23:51 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:11 Effective 2026-02-09 through 2026-02-11
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Daily 22:45 Atlanta (ATL) S 23:55 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:10 Effective 2026-04-13 through 2026-07-06
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Daily 22:45 Atlanta (ATL) S 23:52 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:07 Effective 2026-07-07 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Daily 22:45 Atlanta (ATL) S 23:58 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:13 Effective from 2026-10-06
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Mon,Tue,Sat,Sun 22:46 Atlanta (ATL) S 23:56 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-800 (738) 2:10 Valid until 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Fri 22:46 Atlanta (ATL) S 23:56 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:10 Operates only on 2026-01-02
Codeshare flight, operated by Delta Air Lines.(DL 2911)
Daily 22:59 Atlanta (ATL) S 00:06 Kansas City (MCI)
WS 6643 Non-stop Boeing 737-900 (739) 2:07 Effective 2026-03-08 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 2911)
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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WestJet flight WS 6643: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
WestJet WS6643
16:00
Dallas Fort Worth (DFW) E

17:30
Los Angeles (LAX) 3
Effective 2026-02-12 through 2026-02-20
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 521)
Duration: 3:30, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
WestJet WS6643
16:00
Dallas Fort Worth (DFW) E

17:30
Los Angeles (LAX) 3
Effective 2026-02-22 through 2026-03-06
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 521)
Duration: 3:30, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
WestJet WS6643
21:40
Atlanta (ATL) S

22:51
Kansas City (MCI)
Effective 2026-01-05 through 2026-01-15
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
21:55
Atlanta (ATL) S

23:06
Kansas City (MCI)
Effective 2026-01-09 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:11, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS6643
21:55
Atlanta (ATL) S

23:06
Kansas City (MCI)
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:40
Atlanta (ATL) S

23:51
Kansas City (MCI)
Effective 2026-01-19 through 2026-02-05
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:40
Atlanta (ATL) S

23:51
Kansas City (MCI)
Effective 2026-01-23 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:11, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS6643
22:40
Atlanta (ATL) S

23:51
Kansas City (MCI)
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:11, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:45
Atlanta (ATL) S

23:55
Kansas City (MCI)
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:10, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:45
Atlanta (ATL) S

23:52
Kansas City (MCI)
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:07, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:45
Atlanta (ATL) S

23:58
Kansas City (MCI)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:13, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:46
Atlanta (ATL) S

23:56
Kansas City (MCI)
Valid until 2026-01-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:10, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS6643
22:46
Atlanta (ATL) S

23:56
Kansas City (MCI)
Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:10, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS6643
22:59
Atlanta (ATL) S

00:06(+1)
Kansas City (MCI)
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2911)
Duration: 2:07, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Kansas City (MCI)
  • Dallas Fort Worth (DFW) - Los Angeles (LAX)
All WestJet flights
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