Delta Air Lines
flight
DL 7121:
Multiple routes
FLIGHT SCHEDULE
Direct Codeshare Flights:
Delta Air Lines DL7121
Operates only on 2026-06-29
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 109)
Duration: 1:35, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:15, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-04-26 through 2026-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-05-18 through 2026-05-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-05-27 through 2026-06-21
Mon
Tue
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Wed
Thu
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Fri
Sat
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-
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-06-24 through 2026-08-30
Mon
-
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Tue
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Wed
Thu
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Fri
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-08-31 through 2026-09-23
Mon
Tue
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-
Wed
Thu
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Fri
Sat
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-
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-09-24 through 2026-10-12
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-10-13 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 1460)
Duration: 3:10, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-08-17 through 2026-08-24
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 586)
Duration: 4:04, non-stop Boeing 737-700 (73W)
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-07-06 through 2026-08-10
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 128)
Duration: 1:30, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Delta Air Lines DL7121
Valid until 2026-01-03
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 WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Valid until 2026-01-01
Mon
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 378)
Duration: 1:19, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-02 through 2026-01-09
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-04 through 2026-01-11
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-07 through 2026-01-14
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-12 through 2026-01-19
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-13 through 2026-01-25
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-21 through 2026-01-28
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-26 through 2026-01-31
Mon
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-01-29 through 2026-01-30
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:19, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-01 through 2026-02-07
Mon
-
-
Tue
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-
Wed
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Thu
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Fri
-
-
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-02 through 2026-02-04
Mon
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-03 through 2026-02-13
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-11 through 2026-02-25
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-16 through 2026-02-24
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-19 through 2026-02-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-26 through 2026-03-03
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-02-28 through 2026-03-07
Mon
Tue
-
-
Wed
Thu
Fri
-
-
Sat
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Operates only on 2026-03-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-03-08 through 2026-03-15
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-03-10 through 2026-03-28
Mon
Tue
Wed
-
-
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-03-11 through 2026-03-25
Mon
-
-
Tue
-
-
Wed
Thu
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Fri
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-
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Operates only on 2026-03-22
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-03-29 through 2026-04-01
Mon
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-04-02 through 2026-04-10
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-04-04 through 2026-04-13
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-04-08 through 2026-04-12
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-04-14 through 2026-04-24
Mon
-
-
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Effective 2026-04-15 through 2026-04-25
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Delta Air Lines DL7121
Operates only on 2026-04-20
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Codeshare flight, operated by WestJet.
(WS 378)
Duration: 1:18, non-stop Boeing 737-800 (73H)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
- Calgary (YYC) - Palm Springs (PSP)
- Calgary (YYC) - Saskatoon (YXE)
- Calgary (YYC) - Vancouver (YVR)
- Edmonton (YEG) - Montreal-Trudeau (YUL)