WestJet
flight
WS 5518:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-19 through 2026-01-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 401)
Duration: 2:09, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-31 through 2026-02-07
Mon
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Tue
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Wed
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 401)
Duration: 2:09, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-05-22 through 2026-05-31
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3187)
Duration: 1:34, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-06-01 through 2026-06-03
Mon
Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 3187)
Duration: 1:34, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-05-07 through 2026-05-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1537)
Duration: 1:12, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-05-16
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1537)
Duration: 1:12, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-04-26 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 2633)
Duration: 2:18, non-stop Airbus A220-300 (223)
Direct Codeshare Flights:
WestJet WS5518
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1520)
Duration: 2:11, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-09 through 2026-01-16
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1029)
Duration: 1:10, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-07 through 2026-01-14
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1029)
Duration: 1:10, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-04-13 through 2026-04-20
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 4142)
Duration: 2:16, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-05-30
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 4142)
Duration: 2:16, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-07-07 through 2026-07-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4065)
Duration: 1:26, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-07-25 through 2026-08-01
Mon
Tue
Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 4065)
Duration: 1:26, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-08-02 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4065)
Duration: 1:26, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-10-06 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4065)
Duration: 1:28, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-06-26 through 2026-07-01
Mon
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Tue
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Wed
Thu
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Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 2192)
Duration: 1:11, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-05-23
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 4142)
Duration: 2:13, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-03-08 through 2026-04-12
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1067)
Duration: 1:02, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-05-15 through 2026-05-17
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4145)
Duration: 1:16, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-04-15 through 2026-04-24
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1067)
Duration: 1:06, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-06-06
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 2587)
Duration: 2:46, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-07-24 through 2026-07-29
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3941)
Duration: 0:52, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-06-07 through 2026-06-25
Mon
Tue
Wed
Thu
Fri
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Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1621)
Duration: 1:49, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-06-29 through 2026-07-06
Mon
Tue
Wed
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-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1621)
Duration: 1:49, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-03-14 through 2026-04-11
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 4941)
Duration: 1:59, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-30 through 2026-02-06
Mon
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Tue
Wed
Thu
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Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 759)
Duration: 1:26, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-02-10 through 2026-02-11
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 759)
Duration: 1:26, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1545)
Duration: 1:02, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-05-18 through 2026-05-26
Mon
Tue
Wed
Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 5839)
Duration: 1:23, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-05-28 through 2026-06-04
Mon
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Tue
Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 5839)
Duration: 1:23, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-06-05
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 5839)
Duration: 1:23, non-stop Embraer EMB 175 (E75)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-02-12 through 2026-02-20
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 4673)
Duration: 1:13, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-02-22 through 2026-03-06
Mon
Tue
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Wed
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Thu
Fri
Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 4673)
Duration: 1:13, non-stop Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-02-17 through 2026-03-04
Mon
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Tue
Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 3115)
Duration: 1:46, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-02-15 through 2026-02-21
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 3115)
Duration: 1:46, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-02-28 through 2026-03-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 3115)
Duration: 1:46, non-stop Airbus A321 (321)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-06-12 through 2026-06-19
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1668)
Duration: 1:31, non-stop Boeing 717 (717)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-08 through 2026-01-17
Mon
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Tue
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Wed
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Thu
Fri
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Sat
Sun
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Codeshare flight, operated by Delta Air Lines.
(DL 1280)
Duration: 2:44, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-01-18
Mon
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Tue
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Wed
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Fri
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1091)
Duration: 2:12, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS5518
Operates only on 2026-02-08
Mon
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Tue
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Wed
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Fri
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1091)
Duration: 2:12, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS5518
Valid until 2026-01-03
Mon
Tue
Wed
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Thu
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Fri
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Sat
Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1100)
Duration: 1:19, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
WestJet WS5518
Effective 2026-01-02 through 2026-01-04
Mon
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Tue
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Wed
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Sat
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Sun
Codeshare flight, operated by Delta Air Lines.
(DL 1100)
Duration: 1:19, non-stop Boeing 737-900 (739)
This flight number is listed as serving the following routes:
- Atlanta (ATL) - Fayetteville (FAY)
- Atlanta (ATL) - Minneapolis/Saint Paul (MSP)
- Atlanta (ATL) - Raleigh/Durham (RDU)
- Atlanta (ATL) - Savannah (SAV)
- Atlanta (ATL) - Tallahassee (TLH)
- Atlanta (ATL) - Tampa (TPA)
- Bristol/Johnson/Kingsport (TRI) - Atlanta (ATL)
- Charleston (CHS) - New York LaGuardia (LGA)
- Chicago O'Hare (ORD) - New York LaGuardia (LGA)
- Dallas Fort Worth (DFW) - Atlanta (ATL)
- Detroit (DTW) - Charleston (CHS)
- Detroit (DTW) - Chicago O'Hare (ORD)
- Detroit (DTW) - Harrisburg (MDT)
- Detroit (DTW) - Milwaukee (MKE)
- Detroit (DTW) - Norfolk (ORF)
- Detroit (DTW) - Saginaw/Midland/Bay City (MBS)
- Minneapolis/Saint Paul (MSP) - Oklahoma City (OKC)
- Nashville (BNA) - Atlanta (ATL)
- New York LaGuardia (LGA) - Boston Logan (BOS)
- Salt Lake City (SLC) - San Francisco (SFO)
- Sarasota/Bradenton (SRQ) - Atlanta (ATL)
- Seattle-Tacoma (SEA) - Spokane (GEG)
- Tampa (TPA) - Detroit (DTW)
- Wilmington (ILM) - Atlanta (ATL)