Live tracking not available yet
IB3508 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
Gate S11 Scheduled 2:35 PM
Actual 2:42 PM
LHR
London Heathrow Airport
London
T5 Scheduled 7:10 AM
Actual 6:10 AM
9h 35m flight time
Daily
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
2:35 PM
Arrival
7:10 AM
Duration
9h 35m
Aircraft
Boeing 777
Gate
S11
Actual
14:42
06:10
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 17 —
Jun 17, 2026