Live tracking not available yet
AF2521 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
SEA
Seattle–Tacoma International Airport
Seattle
Scheduled 12:34 PM
SJC
Norman Y. Mineta San Jose International Airport
San Jose
TA Scheduled 2:57 PM
2h 23m flight time
Tue Thu Sat
Operated by Delta Air Lines
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Thu, Mar 19
Sat, Mar 21
Tue, Mar 24
Thu, Mar 26
Sat, Mar 28
Tue, Mar 31
Thu, Apr 2
Schedule valid
Mar 31 —
Apr 30, 2026