WestJet flight WS 5666: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 05:45 Seattle-Tacoma (SEA) 08:52 Salt Lake City (SLC)
WS 5666 Non-stop Boeing 737-900 (739) 2:07 Effective 2025-09-15 through 2025-09-22
Codeshare flight, operated by Delta Air Lines.(DL 1128)
Mon 05:45 Seattle-Tacoma (SEA) 08:52 Salt Lake City (SLC)
WS 5666 Non-stop Boeing 737-900 (739) 2:07 Operates only on 2025-10-06
Codeshare flight, operated by Delta Air Lines.(DL 1128)
Mon-Wed,Fri,Sun 06:00 Rochester (ROC) 08:36 Atlanta (ATL) S
WS 5666 Non-stop Airbus A320 (320) 2:36 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 1200)
Sun 06:03 Pittsburgh (PIT) 07:30 New York LaGuardia (LGA) C
WS 5666 Non-stop Embraer EMB 175 (E75) 1:27 Operates only on 2025-06-29
Codeshare flight, operated by Delta Air Lines.(DL 5753)
Sun 06:05 Raleigh/Durham (RDU) 2 07:45 New York LaGuardia (LGA) C
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:40 Effective 2025-08-17 through 2025-08-24
Codeshare flight, operated by Delta Air Lines.(DL 5164)
Mon 06:25 Pittsburgh (PIT) 07:54 New York LaGuardia (LGA) C
WS 5666 Non-stop Embraer EMB 175 (E75) 1:29 Operates only on 2025-10-13
Codeshare flight, operated by Delta Air Lines.(DL 5753)
Daily 07:40 Detroit (DTW) M 08:55 Toronto Pearson (YYZ) 3
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:15 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 3911)
Sun 08:00 Omaha (OMA) 09:17 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:17 Effective 2025-07-27 through 2025-08-10
Codeshare flight, operated by Delta Air Lines.(DL 3512)
Wed 08:00 Omaha (OMA) 09:17 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:17 Operates only on 2025-09-03
Codeshare flight, operated by Delta Air Lines.(DL 3512)
Wed 08:20 New York LaGuardia (LGA) C 09:48 Ronald Reagan Washington (DCA) 2
WS 5666 Non-stop Embraer EMB 175 (E75) 1:28 Operates only on 2025-06-18
Codeshare flight, operated by Delta Air Lines.(DL 5605)
Fri 08:25 New York LaGuardia (LGA) C 10:39 Charlotte (CLT)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 2:14 Operates only on 2025-11-28
Codeshare flight, operated by Delta Air Lines.(DL 5051)
Wed,Fri 08:25 New York LaGuardia (LGA) C 10:39 Charlotte (CLT)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 2:14 Effective 2025-12-12 through 2025-12-17
Codeshare flight, operated by Delta Air Lines.(DL 5051)
Thu 08:26 New York LaGuardia (LGA) C 10:35 Greenville/Spartanburg (GSP)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 2:09 Effective 2025-06-12 through 2025-06-19
Codeshare flight, operated by Delta Air Lines.(DL 4994)
Wed 08:30 New York LaGuardia (LGA) C 10:30 Greensboro/High Point (GSO)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 2:00 Operates only on 2025-11-12
Codeshare flight, operated by Delta Air Lines.(DL 5125)
Wed,Fri 08:35 New York LaGuardia (LGA) C 10:06 Ronald Reagan Washington (DCA) 2
WS 5666 Non-stop Embraer EMB 175 (E75) 1:31 Effective 2025-11-19 through 2025-11-21
Codeshare flight, operated by Delta Air Lines.(DL 5742)
Tue 08:35 New York LaGuardia (LGA) C 10:06 Ronald Reagan Washington (DCA) 2
WS 5666 Non-stop Embraer EMB 175 (E75) 1:31 Effective 2025-12-02 through 2025-12-09
Codeshare flight, operated by Delta Air Lines.(DL 5742)
Fri 08:35 New York LaGuardia (LGA) C 10:06 Ronald Reagan Washington (DCA) 2
WS 5666 Non-stop Embraer EMB 175 (E75) 1:31 Operates only on 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 5742)
Sun 08:55 Saint Louis (STL) 1 10:29 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:34 Operates only on 2025-08-31
Codeshare flight, operated by Delta Air Lines.(DL 5286)
Wed,Sun 08:55 Kansas City (MCI) 10:29 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:34 Effective 2025-09-10 through 2025-09-24
Codeshare flight, operated by Delta Air Lines.(DL 4842)
Wed-Fri,Sun 08:55 Kansas City (MCI) 10:29 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:34 Effective 2025-09-26 through 2025-10-09
Codeshare flight, operated by Delta Air Lines.(DL 4842)
Tue-Sun 08:55 Kansas City (MCI) 10:29 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:34 Effective 2025-10-11 through 2025-10-19
Codeshare flight, operated by Delta Air Lines.(DL 4842)
Mon-Sat 08:55 Kansas City (MCI) 10:29 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:34 Effective 2025-10-20 through 2025-10-25
Codeshare flight, operated by Delta Air Lines.(DL 4842)
Sat 08:55 Kansas City (MCI) 10:29 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:34 Operates only on 2025-11-01
Codeshare flight, operated by Delta Air Lines.(DL 4842)
Fri 08:55 New York LaGuardia (LGA) C 10:30 Charlottesville (CHO)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:35 Operates only on 2025-11-14
Codeshare flight, operated by Delta Air Lines.(DL 5323)
Sun 08:55 New York LaGuardia (LGA) C 10:30 Charlottesville (CHO)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 1:35 Operates only on 2025-12-07
Codeshare flight, operated by Delta Air Lines.(DL 5323)
Sun 09:00 New York LaGuardia (LGA) C 10:26 Boston Logan (BOS) A
WS 5666 Non-stop Airbus A220-100 (221) 1:26 Effective 2025-11-23 through 2025-11-30
Codeshare flight, operated by Delta Air Lines.(DL 2010)
Thu 09:00 Minneapolis/Saint Paul (MSP) 1 11:41 Indianapolis (IND)
WS 5666 Non-stop Boeing 717 (717) 1:41 Effective 2025-12-04 through 2025-12-18
Codeshare flight, operated by Delta Air Lines.(DL 2991)
Sun 09:00 New York LaGuardia (LGA) C 10:26 Boston Logan (BOS) A
WS 5666 Non-stop Airbus A220-100 (221) 1:26 Operates only on 2025-12-14
Codeshare flight, operated by Delta Air Lines.(DL 2010)
Tue 09:10 New York LaGuardia (LGA) C 11:11 Saint Louis (STL) 1
WS 5666 Non-stop Canadair CRJ 900 (CR9) 3:01 Operates only on 2025-10-07
Codeshare flight, operated by Delta Air Lines.(DL 4922)
Mon,Thu 09:42 Sacramento (SMF) A 12:25 Salt Lake City (SLC)
WS 5666 Non-stop Airbus A220-100 (221) 1:43 Effective 2025-05-22 through 2025-06-05
Codeshare flight, operated by Delta Air Lines.(DL 1367)
Sun 09:42 Philadelphia (PHL) D 11:30 Detroit (DTW) M
WS 5666 Non-stop Boeing 717 (717) 1:48 Operates only on 2025-07-20
Codeshare flight, operated by Delta Air Lines.(DL 2968)
Sun 09:44 Sacramento (SMF) A 12:25 Salt Lake City (SLC)
WS 5666 Non-stop Airbus A319 (319) 1:41 Operates only on 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 1367)
Sun 09:46 Sacramento (SMF) A 12:29 Salt Lake City (SLC)
WS 5666 Non-stop Airbus A220-100 (221) 1:43 Operates only on 2025-06-01
Codeshare flight, operated by Delta Air Lines.(DL 1367)
Mon-Sat 11:25 Salt Lake City (SLC) 12:08 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:43 Effective 2025-07-07 through 2025-09-02
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Tue,Thu-Sat 11:25 Salt Lake City (SLC) 12:08 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:43 Effective 2025-09-04 through 2025-09-09
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Tue,Fri,Sat 11:25 Salt Lake City (SLC) 12:08 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:43 Effective 2025-09-12 through 2025-09-23
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Tue,Sat 11:25 Salt Lake City (SLC) 12:08 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:43 Effective 2025-09-27 through 2025-10-04
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Tue,Wed,Fri,Sun 11:30 Salt Lake City (SLC) 12:11 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:41 Effective 2025-05-13 through 2025-05-30
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Tue,Wed,Fri,Sat 11:30 Salt Lake City (SLC) 12:11 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:41 Effective 2025-06-03 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Mon,Tue,Sat 11:30 Salt Lake City (SLC) 12:12 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:42 Effective 2025-06-09 through 2025-06-17
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Mon-Sat 11:30 Salt Lake City (SLC) 12:12 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Boeing 737-900 (739) 1:42 Effective 2025-06-20 through 2025-07-04
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Sat 11:30 Salt Lake City (SLC) 12:13 Phoenix Sky Harbor (PHX) 3
WS 5666 Non-stop Airbus A321neo (32Q) 1:43 Operates only on 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 1431)
Sun 13:15 Philadelphia (PHL) D 14:56 Boston Logan (BOS) A
WS 5666 Non-stop Embraer EMB 175 (E75) 1:41 Operates only on 2025-07-13
Codeshare flight, operated by Delta Air Lines.(DL 5805)
Fri 13:20 New York LaGuardia (LGA) C 15:39 Omaha (OMA)
WS 5666 Non-stop Canadair CRJ 900 (CR9) 3:19 Operates only on 2025-06-13
Codeshare flight, operated by Delta Air Lines.(DL 5085)
Thu 13:30 Seattle-Tacoma (SEA) 16:40 Salt Lake City (SLC)
WS 5666 Non-stop Boeing 737-900 (739) 2:10 Effective 2025-09-18 through 2025-09-25
Codeshare flight, operated by Delta Air Lines.(DL 1120)
Thu 13:35 Seattle-Tacoma (SEA) 14:39 Portland (PDX)
WS 5666 Non-stop Embraer EMB 175 (E7W) 1:04 Operates only on 2025-09-11
Codeshare flight, operated by Delta Air Lines.(DL 4065)
Mon 13:40 Salt Lake City (SLC) 15:09 Denver (DEN)
WS 5666 Non-stop Airbus A220-100 (221) 1:29 Operates only on 2025-09-08
Codeshare flight, operated by Delta Air Lines.(DL 1623)
Mon,Sun 14:25 Los Angeles (LAX) 3 15:20 San Diego (SAN) 2
WS 5666 Non-stop Canadair CRJ 700 (CR7) 0:55 Effective 2025-11-16 through 2025-11-17
Codeshare flight, operated by Delta Air Lines.(DL 4001)
Mon 14:25 Los Angeles (LAX) 3 15:20 San Diego (SAN) 2
WS 5666 Non-stop Canadair CRJ 700 (CR7) 0:55 Operates only on 2025-11-24
Codeshare flight, operated by Delta Air Lines.(DL 4001)
Wed 15:20 New York LaGuardia (LGA) C 17:19 Raleigh/Durham (RDU) 2
WS 5666 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Operates only on 2025-06-11
Codeshare flight, operated by Delta Air Lines.(DL 5669)
Fri 15:20 Tampa (TPA) 18:04 New York LaGuardia (LGA) C
WS 5666 Non-stop Boeing 737-800 (738) 2:44 Operates only on 2025-10-10
Codeshare flight, operated by Delta Air Lines.(DL 2195)
Thu 15:25 Tampa (TPA) 17:54 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Airbus A321 (321) 3:29 Operates only on 2025-11-27
Codeshare flight, operated by Delta Air Lines.(DL 2696)
Sat 15:30 New York LaGuardia (LGA) C 18:31 West Palm Beach (PBI)
WS 5666 Non-stop Boeing 737-900 (739) 3:01 Effective 2025-05-17 through 2025-05-31
Codeshare flight, operated by Delta Air Lines.(DL 2460)
Mon-Fri,Sun 17:00 Seattle-Tacoma (SEA) 20:06 Salt Lake City (SLC)
WS 5666 Non-stop Boeing 737-900 (739) 2:06 Effective 2025-10-26 through 2025-11-11
Codeshare flight, operated by Delta Air Lines.(DL 1165)
Mon 17:55 Los Angeles (LAX) 3 23:10 Kansas City (MCI)
WS 5666 Non-stop Airbus A319 (319) 3:15 Effective 2025-12-01 through 2025-12-08
Codeshare flight, operated by Delta Air Lines.(DL 2016)
Mon 18:25 Jacksonville (JAX) 20:44 Minneapolis/Saint Paul (MSP) 1
WS 5666 Non-stop Airbus A319 (319) 3:19 Operates only on 2025-12-15
Codeshare flight, operated by Delta Air Lines.(DL 2392)
Sun 19:56 New York LaGuardia (LGA) C 22:22 Indianapolis (IND)
WS 5666 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:26 Operates only on 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 5613)
Daily 21:20 Detroit (DTW) M 22:23 John Glenn Columbus (CMH)
WS 5666 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5634)
Mon 21:55 San Francisco (SFO) 1 06:45 Boston Logan (BOS) A
WS 5666 Non-stop Airbus A321neo (32Q) 5:50 Operates only on 2025-09-29
Codeshare flight, operated by Delta Air Lines.(DL 1655)
The flight arrives 1 day after departure.
Sun 23:20 Salt Lake City (SLC) 05:39 Orlando (MCO) B
WS 5666 Non-stop Airbus A321 (321) 4:19 Operates only on 2025-06-22
Codeshare flight, operated by Delta Air Lines.(DL 2069)
The flight arrives 1 day after departure.
Sun 23:50 Salt Lake City (SLC) 06:26 Miami (MIA)
WS 5666 Non-stop Airbus A321neo (32Q) 4:36 Operates only on 2025-06-08
Codeshare flight, operated by Delta Air Lines.(DL 2040)
The flight arrives 1 day after departure.
Sun 23:50 Salt Lake City (SLC) 06:28 Boston Logan (BOS) A
WS 5666 Non-stop Airbus A321neo (32Q) 4:38 Operates only on 2025-06-15
Codeshare flight, operated by Delta Air Lines.(DL 696)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
WestJet flight WS 5666: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

WestJet WS5666
Effective 2025-09-15 through 2025-09-22
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1128)
Duration: 2:07, non-stop
Boeing 737-900 (739)

WestJet WS5666
Operates only on 2025-10-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1128)
Duration: 2:07, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective from 2026-01-06
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1200)
Duration: 2:36, non-stop
Airbus A320 (320)

WestJet WS5666
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5753)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Effective 2025-08-17 through 2025-08-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5164)
Duration: 1:40, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-10-13
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5753)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3911)
Duration: 1:15, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-07-27 through 2025-08-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 3512)
Duration: 1:17, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-09-03
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 3512)
Duration: 1:17, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-06-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5605)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Operates only on 2025-11-28
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 WS5666
Effective 2025-12-12 through 2025-12-17
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 WS5666
Effective 2025-06-12 through 2025-06-19
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4994)
Duration: 2:09, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-11-12
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 WS5666
Effective 2025-11-19 through 2025-11-21
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5742)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Effective 2025-12-02 through 2025-12-09
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5742)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Operates only on 2025-12-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5742)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Operates only on 2025-08-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5286)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-09-10 through 2025-09-24
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4842)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-09-26 through 2025-10-09
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4842)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-10-11 through 2025-10-19
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 4842)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-10-20 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4842)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4842)
Duration: 1:34, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-11-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5323)
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Operates only on 2025-12-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5323)
Duration: 1:35, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-11-23 through 2025-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2010)
Duration: 1:26, non-stop
Airbus A220-100 (221)

WestJet WS5666
Effective 2025-12-04 through 2025-12-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2991)
Duration: 1:41, non-stop
Boeing 717 (717)

WestJet WS5666
Operates only on 2025-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2010)
Duration: 1:26, non-stop
Airbus A220-100 (221)

WestJet WS5666
Operates only on 2025-10-07
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4922)
Duration: 3:01, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-05-22 through 2025-06-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1367)
Duration: 1:43, non-stop
Airbus A220-100 (221)

WestJet WS5666
Operates only on 2025-07-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2968)
Duration: 1:48, non-stop
Boeing 717 (717)

WestJet WS5666
Operates only on 2025-09-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1367)
Duration: 1:41, non-stop
Airbus A319 (319)

WestJet WS5666
Operates only on 2025-06-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1367)
Duration: 1:43, non-stop
Airbus A220-100 (221)

WestJet WS5666
Effective 2025-07-07 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:43, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-09-04 through 2025-09-09
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:43, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-09-12 through 2025-09-23
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:43, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-09-27 through 2025-10-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:43, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-05-13 through 2025-05-30
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:41, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-06-03 through 2025-06-07
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:41, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-06-09 through 2025-06-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:42, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-06-20 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:42, non-stop
Boeing 737-900 (739)

WestJet WS5666
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1431)
Duration: 1:43, non-stop
Airbus A321neo (32Q)

WestJet WS5666
Operates only on 2025-07-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5805)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Operates only on 2025-06-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 5085)
Duration: 3:19, non-stop
Canadair CRJ 900 (CR9)

WestJet WS5666
Effective 2025-09-18 through 2025-09-25
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 WS5666
Operates only on 2025-09-11
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 4065)
Duration: 1:04, non-stop
Embraer EMB 175 (E7W)

WestJet WS5666
Operates only on 2025-09-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1623)
Duration: 1:29, non-stop
Airbus A220-100 (221)

WestJet WS5666
Effective 2025-11-16 through 2025-11-17
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 WS5666
Operates only on 2025-11-24
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 WS5666
Operates only on 2025-06-11
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 WS5666
Operates only on 2025-10-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2195)
Duration: 2:44, non-stop
Boeing 737-800 (738)

WestJet WS5666
Operates only on 2025-11-27
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2696)
Duration: 3:29, non-stop
Airbus A321 (321)

WestJet WS5666
Effective 2025-05-17 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2460)
Duration: 3:01, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-10-26 through 2025-11-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1165)
Duration: 2:06, non-stop
Boeing 737-900 (739)

WestJet WS5666
Effective 2025-12-01 through 2025-12-08
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2016)
Duration: 3:15, non-stop
Airbus A319 (319)

WestJet WS5666
Operates only on 2025-12-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2392)
Duration: 3:19, non-stop
Airbus A319 (319)

WestJet WS5666
Operates only on 2025-07-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5613)
Duration: 2:26, non-stop
Embraer EMB 170 / EMB 175 (E70)

WestJet WS5666
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5634)
Duration: 1:03, non-stop
Embraer EMB 175 (E75)

WestJet WS5666
Operates only on 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1655)
Duration: 5:50, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

WestJet WS5666
Operates only on 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2069)
Duration: 4:19, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

WestJet WS5666
Operates only on 2025-06-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2040)
Duration: 4:36, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

WestJet WS5666
Operates only on 2025-06-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 696)
Duration: 4:38, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Detroit (DTW) - John Glenn Columbus (CMH)
  • Detroit (DTW) - Toronto Pearson (YYZ)
  • Jacksonville (JAX) - Minneapolis/Saint Paul (MSP)
  • Kansas City (MCI) - Minneapolis/Saint Paul (MSP)
  • Los Angeles (LAX) - Kansas City (MCI)
  • Los Angeles (LAX) - San Diego (SAN)
  • Minneapolis/Saint Paul (MSP) - Indianapolis (IND)
  • New York LaGuardia (LGA) - Boston Logan (BOS)
  • New York LaGuardia (LGA) - Charlotte (CLT)
  • New York LaGuardia (LGA) - Charlottesville (CHO)
  • 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) - Omaha (OMA)
  • New York LaGuardia (LGA) - Raleigh/Durham (RDU)
  • New York LaGuardia (LGA) - Ronald Reagan Washington (DCA)
  • New York LaGuardia (LGA) - Saint Louis (STL)
  • New York LaGuardia (LGA) - West Palm Beach (PBI)
  • Omaha (OMA) - Minneapolis/Saint Paul (MSP)
  • Philadelphia (PHL) - Boston Logan (BOS)
  • Philadelphia (PHL) - Detroit (DTW)
  • Pittsburgh (PIT) - New York LaGuardia (LGA)
  • Rochester (ROC) - Atlanta (ATL)
  • Sacramento (SMF) - Salt Lake City (SLC)
  • Saint Louis (STL) - Minneapolis/Saint Paul (MSP)
  • Salt Lake City (SLC) - Boston Logan (BOS)
  • Salt Lake City (SLC) - Denver (DEN)
  • Salt Lake City (SLC) - Miami (MIA)
  • Salt Lake City (SLC) - Orlando (MCO)
  • Salt Lake City (SLC) - Phoenix Sky Harbor (PHX)
  • San Francisco (SFO) - Boston Logan (BOS)
  • Seattle-Tacoma (SEA) - Portland (PDX)
  • Seattle-Tacoma (SEA) - Salt Lake City (SLC)
  • Tampa (TPA) - Minneapolis/Saint Paul (MSP)
  • Tampa (TPA) - New York LaGuardia (LGA)