Air Canada
flight
AC 4009:
Atlanta - Denver
Atlanta - Denver
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:37, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4009
Valid until 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:38, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-02-12 through 2026-02-17
Mon
-
-
Tue
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-02-13 through 2026-03-04
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:40, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-02-22 through 2026-03-03
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:40, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:39, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-03-07 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:41, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:30, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4009
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:30, non-stop Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC4009
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 235)
Duration: 3:36, non-stop Airbus A320 (320)
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Parallax here ATL-DEN
- AC 4009 is a domestic flight departing from the Atlanta airport (ATL) and arriving at Denver airport (DEN).
- The flight distance is 1196 miles, or 1925 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 3:30 and 3:41.