Live tracking not available yet
DL1521 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
LAS
Harry Reid International Airport
Las Vegas
T1 Gate D34 Scheduled 6:59 PM
Actual 6:59 PM
SEA
Seattle–Tacoma International Airport
Seattle
TB Gate B6 Scheduled 9:48 PM
Actual 9:28 PM
Baggage claim 4
2h 49m flight time
Mon Tue Wed Thu Fri Sun
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Mon Tue Wed Thu Fri Sun
Departure
6:59 PM
Arrival
9:48 PM
Duration
2h 49m
Aircraft
Boeing 737-900
Terminal
T1
TB
Gate
D34
B6
Actual
18:59
21:28
Baggage
Carousel 4
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Fri, Mar 27
Schedule valid
Mar 16 —
Apr 12, 2026