521

SJC → SJC · Boeing 737 MAX 9 · Alaska Airlines

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Departed

2026-09-22 01:27 UTC

Arrival

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

Distance flown

1 km

Approach distance

1 km

Registration

Type

Boeing 737 MAX 9

Seats

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

Max ground speed

15 kt

Tracked

3m · 1 km

Ground speed (kt, max 15)

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.

Alaska Airlines (ASA)

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-22 01:27 UTC	521	SJC → SJC San Jose → San Jose	N921AK	Boeing 737 MAX 9	Completed	~2 km est. (1 km recorded)