AS428

SEA → LGB · Boeing 737-900 · Alaska Airlines

For travellers

Departure · Seattle (SEA)

Gate D3

Scheduled 02 Oct 18:16

Board status: On-Time

Airborne since 02 Oct 18:16 (ADS-B)

Board data from sea, updated 1357 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Scheduled departure

2026-10-03 01:16 UTC

Departed

2026-10-03 01:16 UTC

Arrival

Long Beach Airport (Daugherty Field) (LGB) — Long Beach, United States

Distance flown

1726 km

Straight-line distance

1555 km

Approach distance

77 km

Aircraft

Registration

N431AS

Type

Boeing 737-900

Seats

181 total (16 Business, 165 Economy)

CO2 (EMEP est., total)

40.9 t (349 kg/pax Business, 214 kg/pax Economy)

Altitude & speed

Max altitude

37,000 ft

Max ground speed

475 kt

Tracked

2h 44m · 1,722 km

Altitude (ft, max 37,000)

Ground speed (kt, max 475)

Altitude (ft, max 37,000)

Ground speed (kt, max 475)

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
2026-10-03 01:16 UTC	ASA428	SEA → LGB Seattle → Long Beach	N431AS	Boeing 737-900	Completed	1726 km
2026-10-02 01:18 UTC	ASA428	SEA → LGB Seattle → Long Beach	N589AS	Boeing 737-800	Completed	1725 km
2026-10-01 01:16 UTC	ASA428	SEA → LGB Seattle → Long Beach	N531AS	Boeing 737-800	Completed	1716 km
2026-09-30 01:35 UTC	ASA428	SEA → LGB Seattle → Long Beach	N549AS	Boeing 737-800	Completed	1742 km

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