AS459

BOS → SEA · Boeing 737 MAX 9 · Alaska Airlines

For travellers

Departure · Boston (BOS)

Terminal B · Gate B4

Scheduled 02 Oct 07:12 · Departed 02 Oct 07:12

Board status: Departed

Airborne since 02 Oct 07:31 (ADS-B)

Arrival · Seattle (SEA)

Gate D2

Scheduled 10:25 · Estimated 10:24

Board status: Landed

Landed 10:37 (ADS-B)

Board data from bos, sea, updated 613 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

General Edward Lawrence Logan International Airport (BOS) — Boston, United States

Scheduled departure

2026-10-02 11:12 UTC

Departed

2026-10-02 11:31 UTC

Arrival

Seattle Tacoma International Airport (SEA) — Seattle, United States

Scheduled arrival

2026-10-02 17:25 UTC

Estimated arrival

2026-10-02 17:24 UTC

Distance flown

4144 km

Straight-line distance

4006 km

Approach distance

81 km

Aircraft

Registration

N952AK

Type

Boeing 737 MAX 9

CO2 (EMEP est., total)

81.2 t (644 kg/pax Business, 322 kg/pax Economy)

Altitude & speed

Max altitude

32,025 ft

Max ground speed

431 kt

Tracked

6h 6m · 4,129 km

Altitude (ft, max 32,025)

Ground speed (kt, max 431)

Altitude (ft, max 32,025)

Ground speed (kt, max 431)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 11:31 UTC	ASA459	BOS → SEA Boston → Seattle	N952AK	Boeing 737 MAX 9	Completed	4144 km
2026-10-01 11:30 UTC	ASA459	BOS → SEA Boston → Seattle	N990AK	Boeing 737 MAX 9	Incomplete (signal lost)	~4166 km est. (2611 km recorded)
2026-09-30 12:25 UTC	ASA459	BOS → SEA Boston → Seattle	N275AK	Boeing 737-900	Completed	4214 km

← Back to the live map