Live tracking not available yet
AC4521 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
DEN
Denver International Airport
Denver
Gate B43 Scheduled 10:10 AM
Actual 10:10 AM
ATL
Hartsfield Jackson Atlanta International Airport
Atlanta
TN Gate T21 Scheduled 3:10 PM
Actual 2:58 PM
Baggage claim 1
3h 0m flight time
Daily
Recent Flights
Last 4 observedMar 10
Tue
DEN
ATL
Dep 10:10:00
(actual 11:31:00)
738
Boarding
Mar 09
Mon
DEN
ATL
Dep 10:10:00
(actual 10:32:00)
738
Boarding
Mar 07
Sat
DEN
ATL
Dep 10:10:00
(actual 10:47:00)
738
Boarding
Mar 06
Fri
DEN
ATL
Dep 10:10:00
(actual 12:22:00)
738
Boarding
Schedule
Operates
Daily
Departure
10:10 AM
Arrival
3:10 PM
Duration
3h 0m
Aircraft
Boeing 737-800
Gate
B43
T21
Actual
10:10
14:58
Baggage
Carousel 1
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Wed, Mar 18
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Schedule valid
Mar 02 —
Jun 03, 2026