AS421

SEA → SJD · Boeing 737 MAX 9 · Alaska Airlines

For travellers

Gate N13

Scheduled 01 Oct 10:57 · Estimated 01 Oct 11:07 · +10 min

Board status: Now 11:07 AM

Airborne since 01 Oct 11:14 (ADS-B)

Board data from sea, updated 1289 min ago; times local to each airport.

Status

Incomplete (signal lost)

Departure

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

Scheduled departure

2026-10-01 17:57 UTC

Departed

2026-10-01 18:14 UTC

Arrival

Los Cabos International Airport (SJD) — San José del Cabo, Mexico (scheduled)

Distance flown

2533 km

Straight-line distance

2925 km

Registration

Type

Boeing 737 MAX 9

Max altitude

35,025 ft

Max ground speed

514 kt

Tracked

3h 2m · 2,526 km

Altitude (ft, max 35,025)

Ground speed (kt, max 514)

Altitude (ft, max 35,025)

Ground speed (kt, max 514)

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
2026-10-01 18:14 UTC	ASA421	SEA → SJD Seattle → San José del Cabo	N733AL	Boeing 737 MAX 9	Incomplete (signal lost)	2533 km