Live tracking not available yet
DL423 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
ATL
Hartsfield Jackson Atlanta International Airport
Atlanta
TS Gate C40 Scheduled 4:21 PM
Actual 1:55 PM
SLC
Salt Lake City International Airport
Salt Lake City
TM Gate A27 Scheduled 6:26 PM
Actual 3:58 PM
4h 5m flight time
Daily
Recent Flights
Last 2 observedMar 09
Mon
ATL
SLC
Dep 14:01:00
(actual 14:10:00)
21N
In Air
Mar 08
Sun
ATL
SLC
Dep 15:06:00
(actual 14:12:00)
21N
In Air
Schedule
Operates
Daily
Departure
4:21 PM
Arrival
6:26 PM
Duration
4h 5m
Aircraft
Boeing 737-900
Terminal
TS
TM
Gate
C40
A27
Actual
13:55
15:58
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Schedule valid
Mar 13 —
Jun 12, 2026