WestJet flight WS 6521: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 06:15 Luis Munoz Marin, San Juan (SJU) B 10:15 Atlanta (ATL) S
WS 6521 Non-stop Boeing 757 (757) 4:00 Valid until 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 1879)
Sat 06:15 Luis Munoz Marin, San Juan (SJU) B 10:08 Atlanta (ATL) S
WS 6521 Non-stop Boeing 737-900 (739) 3:53 Effective 2025-05-10 through 2025-05-24
Codeshare flight, operated by Delta Air Lines.(DL 1879)
Sat,Sun 06:15 Luis Munoz Marin, San Juan (SJU) B 10:08 Atlanta (ATL) S
WS 6521 Non-stop Boeing 737-900 (739) 3:53 Effective 2025-05-25 through 2025-05-31
Codeshare flight, operated by Delta Air Lines.(DL 1879)
Sat 06:15 Luis Munoz Marin, San Juan (SJU) B 10:08 Atlanta (ATL) S
WS 6521 Non-stop Boeing 737-900 (739) 3:53 Operates only on 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 1879)
Mon,Tue,Sat,Sun 06:30 New York John F. Kennedy (JFK) 4 09:59 Salt Lake City (SLC)
WS 6521 Non-stop Airbus A321neo (32Q) 5:29 Effective 2025-12-20 through 2025-12-23
Codeshare flight, operated by Delta Air Lines.(DL 892)
Mon,Sun 06:30 New York John F. Kennedy (JFK) 4 09:59 Salt Lake City (SLC)
WS 6521 Non-stop Airbus A321neo (32Q) 5:29 Effective 2026-01-04 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 892)
Daily 06:55 New York John F. Kennedy (JFK) 4 10:18 Salt Lake City (SLC)
WS 6521 Non-stop Boeing 767 (76W) 5:23 Effective 2025-12-24 through 2026-01-03
Codeshare flight, operated by Delta Air Lines.(DL 892)
Sun 08:25 New York LaGuardia (LGA) C 10:50 Indianapolis (IND)
WS 6521 Non-stop Canadair CRJ 900 (CR9) 2:25 Operates only on 2025-10-26
Codeshare flight, operated by Delta Air Lines.(DL 5249)
Wed 08:35 New York LaGuardia (LGA) C 10:12 Milwaukee (MKE)
WS 6521 Non-stop Canadair CRJ 900 (CR9) 2:37 Operates only on 2025-10-29
Codeshare flight, operated by Delta Air Lines.(DL 4692)
Tue 08:55 New York LaGuardia (LGA) C 10:50 Raleigh/Durham (RDU) 2
WS 6521 Non-stop Canadair CRJ 900 (CR9) 1:55 Operates only on 2025-10-28
Codeshare flight, operated by Delta Air Lines.(DL 5160)
Tue 09:00 Minneapolis/Saint Paul (MSP) 1 11:37 Indianapolis (IND)
WS 6521 Non-stop Boeing 717 (717) 1:37 Operates only on 2025-08-05
Codeshare flight, operated by Delta Air Lines.(DL 2991)
Tue 12:00 John Glenn Columbus (CMH) 13:04 Detroit (DTW) M
WS 6521 Non-stop Embraer EMB 175 (E75) 1:04 Operates only on 2025-07-08
Codeshare flight, operated by Delta Air Lines.(DL 5863)
Tue 12:00 John Glenn Columbus (CMH) 13:04 Detroit (DTW) M
WS 6521 Non-stop Embraer EMB 175 (E75) 1:04 Operates only on 2025-07-29
Codeshare flight, operated by Delta Air Lines.(DL 5863)
Tue 13:30 Seattle-Tacoma (SEA) 16:40 Salt Lake City (SLC)
WS 6521 Non-stop Boeing 737-900 (739) 2:10 Effective 2025-07-15 through 2025-07-22
Codeshare flight, operated by Delta Air Lines.(DL 1120)
Sat 14:49 Montgomery (MGM) 16:57 Atlanta (ATL) S
WS 6521 Non-stop Canadair CRJ 700 (CR7) 1:08 Operates only on 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 3927)
Mon-Fri 14:59 Charlottesville (CHO) 16:41 Atlanta (ATL) S
WS 6521 Non-stop Boeing 717 (717) 1:42 Effective 2025-05-07 through 2025-06-04
Codeshare flight, operated by Delta Air Lines.(DL 648)
Sun 14:59 Charlottesville (CHO) 16:38 Atlanta (ATL) S
WS 6521 Non-stop Boeing 717 (717) 1:39 Operates only on 2025-05-11
Codeshare flight, operated by Delta Air Lines.(DL 648)
Sun 15:07 Charlottesville (CHO) 16:46 Atlanta (ATL) S
WS 6521 Non-stop Boeing 717 (717) 1:39 Operates only on 2025-05-18
Codeshare flight, operated by Delta Air Lines.(DL 648)
Thu,Fri 15:07 Charlottesville (CHO) 16:50 Atlanta (ATL) S
WS 6521 Non-stop Boeing 717 (717) 1:43 Effective 2025-06-05 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 648)
Mon,Thu-Sat 15:30 Dallas Fort Worth (DFW) E 19:10 Detroit (DTW) M
WS 6521 Non-stop Airbus A320 (320) 2:40 Effective 2025-10-27 through 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 3159)
Mon-Wed,Sun 15:30 Dallas Fort Worth (DFW) E 19:10 Detroit (DTW) M
WS 6521 Non-stop Airbus A320 (320) 2:40 Effective 2025-11-02 through 2025-11-05
Codeshare flight, operated by Delta Air Lines.(DL 3159)
Mon,Thu,Fri,Sun 18:00 Atlanta (ATL) S 19:06 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:06 Effective 2025-07-07 through 2025-08-11
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Daily 18:00 Atlanta (ATL) S 19:06 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:06 Effective 2025-08-12 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Daily 18:00 Atlanta (ATL) S 19:03 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:03 Effective 2025-09-08 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Daily 18:00 Atlanta (ATL) S 19:03 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:03 Effective 2025-11-06 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Daily 18:00 Atlanta (ATL) S 19:00 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:00 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Sun 18:12 Atlanta (ATL) S 19:12 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:00 Operates only on 2025-06-01
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Mon,Thu 18:16 Atlanta (ATL) S 19:14 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 0:58 Valid until 2025-05-05
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Tue,Wed,Sun 18:18 Atlanta (ATL) S 19:19 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Canadair CRJ 900 (CR9) 1:01 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 4666)
Fri 18:18 Atlanta (ATL) S 19:19 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Canadair CRJ 700 (CR7) 1:01 Valid until 2025-05-02
Codeshare flight, operated by Delta Air Lines.(DL 4666)
Mon,Thu,Fri,Sun 18:20 Atlanta (ATL) S 19:29 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:09 Effective 2025-06-08 through 2025-06-27
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Sun 18:20 Atlanta (ATL) S 19:29 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:09 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Thu 18:27 Chicago O'Hare (ORD) 5 22:07 New York John F. Kennedy (JFK) 4
WS 6521 Non-stop Canadair CRJ 900 (CR9) 2:40 Operates only on 2025-07-03
Codeshare flight, operated by Delta Air Lines.(DL 5220)
Sat 19:30 Atlanta (ATL) S 20:37 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:07 Effective 2025-06-14 through 2025-06-28
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Sat 19:30 Atlanta (ATL) S 20:36 Asheville/Hendersonville (AVL)
WS 6521 Non-stop Boeing 717 (717) 1:06 Effective 2025-07-12 through 2025-08-09
Codeshare flight, operated by Delta Air Lines.(DL 2037)
Wed 21:10 Atlanta (ATL) S 22:21 Jacksonville (JAX)
WS 6521 Non-stop Boeing 757 (757) 1:11 Effective 2025-07-09 through 2025-07-30
Codeshare flight, operated by Delta Air Lines.(DL 1001)
Wed 21:35 Seattle-Tacoma (SEA) 22:42 Spokane (GEG)
WS 6521 Non-stop Embraer EMB 175 (E7W) 1:07 Operates only on 2025-08-06
Codeshare flight, operated by Delta Air Lines.(DL 4150)
Tue,Wed 22:45 Atlanta (ATL) S 00:14 Orlando (MCO) B
WS 6521 Non-stop Boeing 757-300 (753) 1:29 Effective 2025-06-10 through 2025-06-25
Codeshare flight, operated by Delta Air Lines.(DL 1562)
The flight arrives 1 day after departure.
Mon-Wed,Sun 22:45 Atlanta (ATL) S 00:14 Orlando (MCO) B
WS 6521 Non-stop Boeing 757-300 (753) 1:29 Effective 2025-06-29 through 2025-07-02
Codeshare flight, operated by Delta Air Lines.(DL 1562)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
WestJet flight WS 6521: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

WestJet WS6521
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1879)
Duration: 4:00, non-stop
Boeing 757 (757)

WestJet WS6521
Effective 2025-05-10 through 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1879)
Duration: 3:53, non-stop
Boeing 737-900 (739)

WestJet WS6521
Effective 2025-05-25 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1879)
Duration: 3:53, non-stop
Boeing 737-900 (739)

WestJet WS6521
Operates only on 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1879)
Duration: 3:53, non-stop
Boeing 737-900 (739)

WestJet WS6521
Effective 2025-12-20 through 2025-12-23
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 892)
Duration: 5:29, non-stop
Airbus A321neo (32Q)

WestJet WS6521
Effective 2026-01-04 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 892)
Duration: 5:29, non-stop
Airbus A321neo (32Q)

WestJet WS6521
Effective 2025-12-24 through 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 892)
Duration: 5:23, non-stop
Boeing 767 (76W)

WestJet WS6521
Operates only on 2025-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5249)
Duration: 2:25, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6521
Operates only on 2025-10-29
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4692)
Duration: 2:37, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6521
Operates only on 2025-10-28
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5160)
Duration: 1:55, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6521
Operates only on 2025-08-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2991)
Duration: 1:37, non-stop
Boeing 717 (717)

WestJet WS6521
Operates only on 2025-07-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5863)
Duration: 1:04, non-stop
Embraer EMB 175 (E75)

WestJet WS6521
Operates only on 2025-07-29
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5863)
Duration: 1:04, non-stop
Embraer EMB 175 (E75)

WestJet WS6521
Effective 2025-07-15 through 2025-07-22
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1120)
Duration: 2:10, non-stop
Boeing 737-900 (739)

WestJet WS6521
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3927)
Duration: 1:08, non-stop
Canadair CRJ 700 (CR7)

WestJet WS6521
Effective 2025-05-07 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 648)
Duration: 1:42, non-stop
Boeing 717 (717)

WestJet WS6521
Operates only on 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 648)
Duration: 1:39, non-stop
Boeing 717 (717)

WestJet WS6521
Operates only on 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 648)
Duration: 1:39, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-06-05 through 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 648)
Duration: 1:43, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-10-27 through 2025-11-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3159)
Duration: 2:40, non-stop
Airbus A320 (320)

WestJet WS6521
Effective 2025-11-02 through 2025-11-05
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3159)
Duration: 2:40, non-stop
Airbus A320 (320)

WestJet WS6521
Effective 2025-07-07 through 2025-08-11
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:06, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-08-12 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:06, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-09-08 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:03, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-11-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:03, non-stop
Boeing 717 (717)

WestJet WS6521
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:00, non-stop
Boeing 717 (717)

WestJet WS6521
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:00, non-stop
Boeing 717 (717)

WestJet WS6521
Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 0:58, non-stop
Boeing 717 (717)

WestJet WS6521
Valid until 2025-05-06
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4666)
Duration: 1:01, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6521
Valid until 2025-05-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4666)
Duration: 1:01, non-stop
Canadair CRJ 700 (CR7)

WestJet WS6521
Effective 2025-06-08 through 2025-06-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:09, non-stop
Boeing 717 (717)

WestJet WS6521
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:09, non-stop
Boeing 717 (717)

WestJet WS6521
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5220)
Duration: 2:40, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6521
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:07, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-07-12 through 2025-08-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2037)
Duration: 1:06, non-stop
Boeing 717 (717)

WestJet WS6521
Effective 2025-07-09 through 2025-07-30
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1001)
Duration: 1:11, non-stop
Boeing 757 (757)

WestJet WS6521
Operates only on 2025-08-06
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4150)
Duration: 1:07, non-stop
Embraer EMB 175 (E7W)

WestJet WS6521
22:45

00:14(+1)
Effective 2025-06-10 through 2025-06-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1562)
Duration: 1:29, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.

WestJet WS6521
22:45

00:14(+1)
Effective 2025-06-29 through 2025-07-02
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1562)
Duration: 1:29, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Asheville/Hendersonville (AVL)
  • Atlanta (ATL) - Jacksonville (JAX)
  • Atlanta (ATL) - Orlando (MCO)
  • Charlottesville (CHO) - Atlanta (ATL)
  • Chicago O'Hare (ORD) - New York John F. Kennedy (JFK)
  • Dallas Fort Worth (DFW) - Detroit (DTW)
  • John Glenn Columbus (CMH) - Detroit (DTW)
  • Luis Munoz Marin, San Juan (SJU) - Atlanta (ATL)
  • Minneapolis/Saint Paul (MSP) - Indianapolis (IND)
  • Montgomery (MGM) - Atlanta (ATL)
  • New York John F. Kennedy (JFK) - Salt Lake City (SLC)
  • New York LaGuardia (LGA) - Indianapolis (IND)
  • New York LaGuardia (LGA) - Milwaukee (MKE)
  • New York LaGuardia (LGA) - Raleigh/Durham (RDU)
  • Seattle-Tacoma (SEA) - Salt Lake City (SLC)
  • Seattle-Tacoma (SEA) - Spokane (GEG)