Live tracking not available yet
DL638 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
EWR
Newark Liberty International Airport
Newark
TA Scheduled 4:29 PM
SLC
Salt Lake City International Airport
Salt Lake City
Scheduled 7:32 PM
5h 3m flight time
Sat-Sun
Recent Flights
Last 2 observedMar 17
Tue
BOS
ATL
Dep 15:53:00
(actual 16:14:00)
321
In Air
Mar 10
Tue
BOS
ATL
Dep 15:49:00
(actual 15:58:00)
321
Landed
Schedule
Operates
Sat-Sun
Departure
4:29 PM
Arrival
7:32 PM
Duration
5h 3m
Aircraft
Boeing 737-900
Terminal
TA
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Sat, Mar 21
Sun, Mar 22
Sat, Mar 28
Sun, Mar 29
Sat, Apr 4
Sun, Apr 5
Sat, Apr 11
Schedule valid
May 09 —
Jun 06, 2026