AS657

SEA → SJC · Boeing 737 MAX 9 · Alaska Airlines

For travellers

Departure · Seattle (SEA)

Gate N4

Scheduled 01 Oct 13:37

Board status: Departed

Airborne since 01 Oct 13:41 (ADS-B)

Board data from sea, updated 1509 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Scheduled departure

2026-10-01 20:37 UTC

Departed

2026-10-01 20:41 UTC

Arrival

Norman Y. Mineta San Jose International Airport (SJC) — San Jose, United States

Distance flown

1267 km

Straight-line distance

1122 km

Approach distance

80 km

Aircraft

Registration

N913AK

Type

Boeing 737 MAX 9

Seats

178 total (16 Business, 24 Premium Economy, 138 Economy)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

456 kt

Tracked

1h 56m · 1,265 km

Altitude (ft, max 35,000)

Ground speed (kt, max 456)

Altitude (ft, max 35,000)

Ground speed (kt, max 456)

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
2026-10-01 20:41 UTC	ASA657	SEA → SJC Seattle → San Jose	N913AK	Boeing 737 MAX 9	Completed	1267 km
2026-09-30 21:03 UTC	ASA657	SEA → SJC Seattle → San Jose	N275AK	Boeing 737-900	Completed	1262 km
2026-09-29 20:51 UTC	ASA657	SEA → SJC Seattle → San Jose	N597AS	Boeing 737-800	Completed	1245 km

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