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ASA9284

LHR → SEA · Boeing 787-9 · Alaska Airlines

For travellers

Departure · London (LHR)

Terminal 3
Scheduled 09 Sep 14:00
Board status: Departed 15:25
Airborne since 09 Sep 15:26 (ADS-B)

Board data from heathrow, updated 32479 min ago; times local to each airport.

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
London Heathrow Airport (LHR) — London, United Kingdom
Scheduled departure
2026-09-09 13:00 UTC
Est. departure time
2026-09-09 14:08 UTC (approx.)
Arrival
Seattle Tacoma International Airport (SEA) — Seattle, United States
Also flies as
AS9284
Distance flown
8068 km
Straight-line distance
7702 km
Approach distance
69 km

Aircraft

Registration
N784HA
Type
Boeing 787-9
CO2 (EMEP est., total)
340.8 t (2016 kg/pax Business, 1014 kg/pax Economy)

Altitude & speed

Max altitude
40,050 ft
Max ground speed
504 kt
Tracked
9h 30m · 7,911 km
Altitude (ft, max 40,050)
021,62743,2540m1h 0m2h 0m3h 0m4h 0m5h 0m6h 0m7h 0m8h 0m9h 0m
Ground speed (kt, max 504)
02725440m1h 0m2h 0m3h 0m4h 0m5h 0m6h 0m7h 0m8h 0m9h 0m
Altitude (ft, max 40,050)
021,62743,2540m2h 0m4h 0m6h 0m8h 0m
Ground speed (kt, max 504)
02725440m2h 0m4h 0m6h 0m8h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Alaska Airlines (ASA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-09-09 14:26 UTC ASA9284 LHR → SEA
London → Seattle
 N784HA Boeing 787-9 Completed 8068 km
2026-08-24 02:57 UTC ASA9284 HNL → HNL
Honolulu → Honolulu
 N493HA Boeing 717-200 Completed 730 km

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