How long is the AC4521 flight?

The timetable allows 3 h 2 min. Denver to Atlanta is 1,927 km (1,197 mi).

Which terminal does AC4521 use?

It usually arrives at Terminal N at Atlanta Hartsfield-Jackson International Airport (ATL). Check the flight card above for today's terminal and gate.

What other flight numbers does AC4521 have?

Also listed as ACA4521 (Air Canada's ICAO code) and AC 4521.

AC4521 Flight Status Air Canada: Denver to Atlanta (ACA4521)

Air Canada AC 4521

Landed On Time

DEN Denver

Scheduled: 10:10
Actual: 10:31

Gate: B38

Departure: Sun, Nov 8, 2026 · local time MST

Denver International Airport (DEN)

All DEN Departures >

ATL Atlanta

Scheduled: 15:12
Actual: 15:00
Delay

Terminal: N | Gate: T19

Arrival: Sun, Nov 8, 2026 · local time EST

Atlanta Hartsfield-Jackson International Airport (ATL)

All ATL Arrivals >

Landed 15h 03m ago 100%

DEN 10:31 ATL 15:00

1,927 km (1,197 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 1927 km / 1197 miles · Scheduled Duration: 03:02 · Actual Duration: 02:29

AC 4521 Flight Status & Schedule Air Canada Denver to Atlanta

Date	From	To	Departure	Arrival	Status	Details
Nov 08	DEN	ATL	10:31	15:00	Landed	Track >
Nov 07	DEN	ATL	10:26	14:56	Landed	Track >
Nov 06	DEN	ATL	10:39	14:59	Landed	Track >
Nov 05	DEN	ATL	10:23	14:52	Landed	Track >
Nov 04	DEN	ATL	10:23	14:39	Landed	Track >
Nov 03	DEN	ATL	10:25	15:04	Landed	Track >
Nov 02	DEN	ATL	10:24	14:50	Landed	Track >
Nov 01	DEN	ATL	10:28	14:50	Landed	Track >
Oct 31	DEN	ATL	10:24	15:02	Landed	Track >
Oct 30	DEN	ATL	11:53	16:15	Delayed	Track >

Air Canada flight AC 4521 links Denver and Atlanta, 1,927 km (1,197 mi) apart, and flies six times a week: Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Its timetable allows 3 h 2 min; in practice it usually takes about 2 h 30 min, so it often makes up time. Yesterday it left 21 minutes late and still landed at 15:00, 12 minutes early.

< All Denver DEN Departures All Atlanta ATL Arrivals >

About AC 4521

Route: Denver International Airport DEN to Atlanta Hartsfield-Jackson International Airport ATL
Distance: 1,927 km (1,197 mi)
Typical flight time: 2 h 30 min
Flies: Tue, Wed, Thu, Fri, Sat, Sun
On time: 9 of the last 9

AC 4521 FAQ

How long is the AC4521 flight?: The timetable allows 3 h 2 min. Denver to Atlanta is 1,927 km (1,197 mi).
How often is AC4521 late?: None of the last 9 flights arrived 15 or more minutes late.
Which days does AC4521 fly?: Six times a week: Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday, based on the schedule of the last 7 days.
Which terminal does AC4521 use?: It usually arrives at Terminal N at Atlanta Hartsfield-Jackson International Airport (ATL). Check the flight card above for today's terminal and gate.
What other flight numbers does AC4521 have?: Also listed as ACA4521 (Air Canada's ICAO code) and AC 4521.

AC4521 and Denver DEN to Atlanta ATL Flights

Flight AC4521 is a code-share Air Canada flight of the United Airlines operated UA2806.

Other flights departing from Denver DEN: UA225, UA1836, UA2806

Other flights arriving at Atlanta ATL: UA2806, DL1115

All flights connecting Denver DEN to Atlanta ATL.