WestJet flight WS 6378: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Thu 05:50 Baltimore (BWI) 07:50 Atlanta (ATL) S
WS 6378 Non-stop Boeing 757-200 (752) 2:00 Valid until 2025-05-01
Codeshare flight, operated by Delta Air Lines.(DL 2950)
Mon,Fri,Sun 06:00 Medford (MFR) 07:35 Seattle-Tacoma (SEA)
WS 6378 Non-stop Embraer EMB 175 (E7W) 1:35 Effective 2025-05-02 through 2025-05-05
Codeshare flight, operated by Delta Air Lines.(DL 3781)
Sat 07:10 Charlotte (CLT) 08:35 Atlanta (ATL) S
WS 6378 Non-stop Boeing 717 (717) 1:25 Operates only on 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 3156)
Fri,Sun 08:25 New York LaGuardia (LGA) C 10:39 Charlotte (CLT)
WS 6378 Non-stop Canadair CRJ 900 (CR9) 2:14 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by Delta Air Lines.(DL 5051)
Tue,Wed 08:30 New York LaGuardia (LGA) C 10:30 Greensboro/High Point (GSO)
WS 6378 Non-stop Canadair CRJ 900 (CR9) 2:00 Effective 2025-11-04 through 2025-11-05
Codeshare flight, operated by Delta Air Lines.(DL 5125)
Wed 08:50 New York LaGuardia (LGA) C 11:05 Greenville/Spartanburg (GSP)
WS 6378 Non-stop Canadair CRJ 900 (CR9) 2:15 Operates only on 2025-10-29
Codeshare flight, operated by Delta Air Lines.(DL 4994)
Daily 08:55 Atlanta (ATL) S 10:31 Dayton (DAY)
WS 6378 Non-stop Boeing 717 (717) 1:36 Effective 2025-06-23 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 3108)
Daily 09:05 Atlanta (ATL) S 10:35 Dayton (DAY)
WS 6378 Non-stop Boeing 717 (717) 1:30 Effective 2025-07-07 through 2025-08-30
Codeshare flight, operated by Delta Air Lines.(DL 3108)
Daily 09:05 Atlanta (ATL) S 10:35 Dayton (DAY)
WS 6378 Non-stop Boeing 717 (717) 1:30 Effective 2025-09-01 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 3108)
Daily 09:05 Atlanta (ATL) S 10:35 Dayton (DAY)
WS 6378 Non-stop Boeing 717 (717) 1:30 Effective 2025-11-12 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 3108)
Daily 09:05 Atlanta (ATL) S 10:38 Dayton (DAY)
WS 6378 Non-stop Boeing 717 (717) 1:33 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 3108)
Sun 09:40 Newark Liberty, New York (EWR) A 11:42 Detroit (DTW) M
WS 6378 Non-stop Boeing 717 (717) 2:02 Operates only on 2025-11-02
Codeshare flight, operated by Delta Air Lines.(DL 2566)
Sat 09:48 Atlanta (ATL) S 11:25 Dayton (DAY)
WS 6378 Non-stop Boeing 717 (717) 1:37 Operates only on 2025-06-21
Codeshare flight, operated by Delta Air Lines.(DL 3108)
Sat 11:27 Minneapolis/Saint Paul (MSP) 1 13:06 Midway, Chicago (MDW)
WS 6378 Non-stop Embraer EMB 175 (E7W) 1:39 Operates only on 2025-06-14
Codeshare flight, operated by Delta Air Lines.(DL 3795)
Mon,Tue,Thu-Sun 12:30 Dallas Fort Worth (DFW) E 17:02 New York LaGuardia (LGA) C
WS 6378 Non-stop Airbus A220-100 (221) 3:32 Effective 2025-11-06 through 2025-11-11
Codeshare flight, operated by Delta Air Lines.(DL 1164)
Mon-Wed,Fri,Sun 12:37 Atlanta (ATL) S 13:36 Columbia (CAE)
WS 6378 Non-stop Canadair CRJ 900 (CR9) 0:59 Effective 2025-12-21 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5524)
Sat 13:08 Grand Rapids (GRR) 13:48 Minneapolis/Saint Paul (MSP) 1
WS 6378 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2025-05-10 through 2025-05-17
Codeshare flight, operated by Delta Air Lines.(DL 3525)
Sat 13:08 Grand Rapids (GRR) 13:48 Minneapolis/Saint Paul (MSP) 1
WS 6378 Non-stop Canadair CRJ 900 (CR9) 1:40 Operates only on 2025-05-24
Codeshare flight, operated by Delta Air Lines.(DL 3525)
Sat 13:08 Grand Rapids (GRR) 13:48 Minneapolis/Saint Paul (MSP) 1
WS 6378 Non-stop Embraer EMB 175 (E7W) 1:40 Effective 2025-05-31 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 3525)
Mon 14:25 Los Angeles (LAX) 3 15:20 San Diego (SAN) 2
WS 6378 Non-stop Canadair CRJ 700 (CR7) 0:55 Operates only on 2025-10-27
Codeshare flight, operated by Delta Air Lines.(DL 4001)
Sun 15:20 New York LaGuardia (LGA) C 17:19 Raleigh/Durham (RDU) 2
WS 6378 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Operates only on 2025-06-22
Codeshare flight, operated by Delta Air Lines.(DL 5669)
Mon-Fri,Sun 15:43 Atlanta (ATL) S 17:15 Wilmington (ILM)
WS 6378 Non-stop Boeing 717 (717) 1:32 Effective 2025-06-08 through 2025-06-19
Codeshare flight, operated by Delta Air Lines.(DL 3016)
Mon-Fri,Sun 16:24 Atlanta (ATL) S 17:43 Wilmington (ILM)
WS 6378 Non-stop Boeing 717 (717) 1:19 Effective 2025-05-07 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 3016)
Mon-Fri,Sun 16:24 Atlanta (ATL) S 17:43 Wilmington (ILM)
WS 6378 Non-stop Boeing 717 (717) 1:19 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 3016)
Fri 17:50 Orlando (MCO) B 19:35 Atlanta (ATL) S
WS 6378 Non-stop Boeing 757 (757) 1:45 Operates only on 2025-06-20
Codeshare flight, operated by Delta Air Lines.(DL 1150)
Tue 19:29 New York LaGuardia (LGA) C 21:55 Indianapolis (IND)
WS 6378 Non-stop Canadair CRJ 900 (CR9) 2:26 Operates only on 2025-10-28
Codeshare flight, operated by Delta Air Lines.(DL 5220)
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This flight number is listed as serving the following routes:
WestJet flight WS 6378: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

WestJet WS6378
Valid until 2025-05-01
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2950)
Duration: 2:00, non-stop
Boeing 757-200 (752)

WestJet WS6378
Effective 2025-05-02 through 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3781)
Duration: 1:35, non-stop
Embraer EMB 175 (E7W)

WestJet WS6378
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3156)
Duration: 1:25, non-stop
Boeing 717 (717)

WestJet WS6378
Effective 2025-10-26 through 2025-10-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5051)
Duration: 2:14, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6378
Effective 2025-11-04 through 2025-11-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5125)
Duration: 2:00, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6378
Operates only on 2025-10-29
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4994)
Duration: 2:15, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6378
08:55

10:31
Effective 2025-06-23 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3108)
Duration: 1:36, non-stop
Boeing 717 (717)

WestJet WS6378
09:05

10:35
Effective 2025-07-07 through 2025-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3108)
Duration: 1:30, non-stop
Boeing 717 (717)

WestJet WS6378
09:05

10:35
Effective 2025-09-01 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3108)
Duration: 1:30, non-stop
Boeing 717 (717)

WestJet WS6378
09:05

10:35
Effective 2025-11-12 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3108)
Duration: 1:30, non-stop
Boeing 717 (717)

WestJet WS6378
09:05

10:38
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3108)
Duration: 1:33, non-stop
Boeing 717 (717)

WestJet WS6378
Operates only on 2025-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2566)
Duration: 2:02, non-stop
Boeing 717 (717)

WestJet WS6378
09:48

11:25
Operates only on 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3108)
Duration: 1:37, non-stop
Boeing 717 (717)

WestJet WS6378
Operates only on 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3795)
Duration: 1:39, non-stop
Embraer EMB 175 (E7W)

WestJet WS6378
Effective 2025-11-06 through 2025-11-11
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1164)
Duration: 3:32, non-stop
Airbus A220-100 (221)

WestJet WS6378
Effective 2025-12-21 through 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5524)
Duration: 0:59, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6378
Effective 2025-05-10 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3525)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)

WestJet WS6378
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3525)
Duration: 1:40, non-stop
Canadair CRJ 900 (CR9)

WestJet WS6378
Effective 2025-05-31 through 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3525)
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)

WestJet WS6378
Operates only on 2025-10-27
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4001)
Duration: 0:55, non-stop
Canadair CRJ 700 (CR7)

WestJet WS6378
Operates only on 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5669)
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)

WestJet WS6378
Effective 2025-06-08 through 2025-06-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3016)
Duration: 1:32, non-stop
Boeing 717 (717)

WestJet WS6378
Effective 2025-05-07 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3016)
Duration: 1:19, non-stop
Boeing 717 (717)

WestJet WS6378
Effective 2025-05-26 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3016)
Duration: 1:19, non-stop
Boeing 717 (717)

WestJet WS6378
17:50

19:35
Operates only on 2025-06-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1150)
Duration: 1:45, non-stop
Boeing 757 (757)

WestJet WS6378
Operates only on 2025-10-28
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5220)
Duration: 2:26, non-stop
Canadair CRJ 900 (CR9)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Columbia (CAE)
  • Atlanta (ATL) - Dayton (DAY)
  • Atlanta (ATL) - Wilmington (ILM)
  • Baltimore (BWI) - Atlanta (ATL)
  • Charlotte (CLT) - Atlanta (ATL)
  • Dallas Fort Worth (DFW) - New York LaGuardia (LGA)
  • Grand Rapids (GRR) - Minneapolis/Saint Paul (MSP)
  • Los Angeles (LAX) - San Diego (SAN)
  • Medford (MFR) - Seattle-Tacoma (SEA)
  • Minneapolis/Saint Paul (MSP) - Midway, Chicago (MDW)
  • New York LaGuardia (LGA) - Charlotte (CLT)
  • New York LaGuardia (LGA) - Greensboro/High Point (GSO)
  • New York LaGuardia (LGA) - Greenville/Spartanburg (GSP)
  • New York LaGuardia (LGA) - Indianapolis (IND)
  • New York LaGuardia (LGA) - Raleigh/Durham (RDU)
  • Newark Liberty, New York (EWR) - Detroit (DTW)
  • Orlando (MCO) - Atlanta (ATL)