Delta Air Lines
flight
DL 6904:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Delta Air Lines DL6904
Operates only on 2026-01-04
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Codeshare flight, operated by WestJet.
(WS 1936)
Duration: 3:24, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-01-11 through 2026-01-25
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Sun
Codeshare flight, operated by WestJet.
(WS 1936)
Duration: 3:24, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-01 through 2026-04-19
Mon
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Sun
Codeshare flight, operated by WestJet.
(WS 1936)
Duration: 3:26, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-09-30 through 2026-10-07
Mon
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Thu
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Fri
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Sun
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Codeshare flight, operated by WestJet.
(WS 586)
Duration: 4:04, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-10-13 through 2026-10-20
Mon
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Wed
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Thu
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Sun
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Codeshare flight, operated by WestJet.
(WS 586)
Duration: 4:04, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-05-02 through 2026-10-24
Mon
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Tue
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Wed
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Sun
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Codeshare flight, operated by WestJet.
(WS 1079)
Duration: 3:40, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-09-01 through 2026-10-06
Mon
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Tue
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 WestJet.
(WS 854)
Duration: 2:09, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Operates only on 2026-10-29
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Sun
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Codeshare flight, operated by WestJet.
(WS 3521)
Duration: 1:51, non-stop De Havilland DHC-8-400 Dash 8Q (DH4)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-10-14 through 2026-10-21
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 WestJet.
(WS 809)
Duration: 2:30, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-05-11 through 2026-09-06
Mon
Tue
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Wed
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Thu
Fri
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Sat
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Sun
Codeshare flight, operated by WestJet.
(WS 1387)
Duration: 4:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-09-10 through 2026-10-22
Mon
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Tue
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Wed
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Fri
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Sat
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Sun
Codeshare flight, operated by WestJet.
(WS 1387)
Duration: 4:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Valid until 2026-01-10
Mon
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Tue
Wed
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Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-01-13 through 2026-01-16
Mon
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Tue
Wed
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Thu
Fri
Sat
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Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-01-17 through 2026-01-24
Mon
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Tue
Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Operates only on 2026-01-27
Mon
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Tue
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-01-28 through 2026-02-04
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-01-29 through 2026-02-12
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-10 through 2026-02-17
Mon
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Tue
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-11 through 2026-02-18
Mon
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Tue
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Wed
Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-14 through 2026-02-21
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Operates only on 2026-02-24
Mon
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Tue
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-25 through 2026-03-04
Mon
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Tue
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Wed
Thu
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Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-26 through 2026-03-03
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-03-05 through 2026-04-02
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-03-10 through 2026-03-31
Mon
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Tue
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-03-11 through 2026-04-22
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-04-03 through 2026-04-07
Mon
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Tue
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737-800 (73H)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-04-04 through 2026-04-11
Mon
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Tue
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Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-04-14 through 2026-04-25
Mon
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Tue
Wed
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Thu
Fri
Sat
Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Operates only on 2026-10-30
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 WestJet.
(WS 1411)
Duration: 5:49, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-09-02 through 2026-09-23
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 WestJet.
(WS 806)
Duration: 2:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-02-09 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 WestJet.
(WS 3615)
Duration: 1:19, non-stop De Havilland DHC-8-400 Dash 8Q (DH4)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-04-26 through 2026-05-10
Mon
Tue
Wed
Thu
Fri
Sat
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Sun
Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:35, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-05-12 through 2026-08-28
Mon
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Tue
Wed
Thu
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Fri
Sat
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Sun
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Codeshare flight, operated by WestJet.
(WS 1411)
Duration: 5:35, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-09-04 through 2026-10-23
Mon
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 WestJet.
(WS 1411)
Duration: 5:35, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL6904
Effective 2026-10-25 through 2026-10-28
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
Codeshare flight, operated by WestJet.
(WS 3465)
Duration: 1:10, non-stop De Havilland DHC-8-400 Dash 8Q (DH4)
This flight number is listed as serving the following routes:
- Austin (AUS) - Calgary (YYC)
- Calgary (YYC) - Kelowna (YLW)
- Edmonton (YEG) - Montreal-Trudeau (YUL)
- Kelowna (YLW) - Vancouver (YVR)
- Orlando (MCO) - Calgary (YYC)
- Orlando (MCO) - Halifax (YHZ)
- Regina (YQR) - Calgary (YYC)
- Regina (YQR) - Phoenix Sky Harbor (PHX)
- Toronto Pearson (YYZ) - Halifax (YHZ)
- Yellowknife (YZF) - Calgary (YYC)