Air Canada
flight
AC 3978:
Denver - Los Angeles
Denver - Los Angeles
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-03-15 through 2026-03-22
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
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Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:43, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC3978
Valid until 2026-01-04
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
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Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:40, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC3978
Operates only on 2026-01-06
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 United Airlines.
(UA 405)
Duration: 2:41, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-01-07 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:41, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:41, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:44, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:39, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3978
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:35, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC3978
Operates only on 2026-03-08
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
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Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:43, non-stop Boeing 757-200 (752)
Direct Codeshare Flights:
Air Canada AC3978
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:39, non-stop Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC3978
Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 405)
Duration: 2:40, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC3978
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 United Airlines.
(UA 405)
Duration: 2:40, non-stop Boeing 737 MAX 8 (7M8)
- AC 3978 is a domestic flight departing from the Denver airport (DEN) and arriving at Los Angeles airport (LAX).
- The flight distance is 860 miles, or 1384 km.
- The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:35 and 2:44.