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DL728 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
DTW
Detroit Metropolitan Wayne County Airport
Detroit
TM Gate A18 Scheduled 4:49 PM
Actual 5:17 PM
SEA
Seattle–Tacoma International Airport
Seattle
T1 Gate A3 Scheduled 7:12 PM
Actual 7:12 PM
Baggage claim 3
4h 23m flight time
Daily
Recent Flights
Last 1 observedMar 17
Tue
DTW
SEA
Dep 12:23:00
(actual 17:17:00)
739
In Air
Schedule
Operates
Daily
Departure
4:49 PM
Arrival
7:12 PM
Duration
4h 23m
Aircraft
Boeing 737-900
Terminal
TM
T1
Gate
A18
A3
Actual
17:17
19:12
Baggage
Carousel 3
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