Live tracking not available yet
FI644 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
IAD
Washington Dulles International Airport
Dulles
Scheduled 9:10 PM
Actual 10:22 PM
KEF
Keflavik International Airport
Reykjavík
Scheduled 6:07 AM
Actual 8:35 AM
4h 57m flight time
Daily
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
9:10 PM
Arrival
6:07 AM
Duration
4h 57m
Aircraft
Boeing 737 MAX 8
Actual
22:22
08:35
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 12 —
Jun 11, 2026