ASA9721

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Est. departure time

2026-09-07 14:18 UTC (approx.)

Arrival

Boeing Field King County International Airport (BFI) — Seattle, United States

Distance flown

89 km

Straight-line distance

9 km

Approach distance

89 km

Registration

Type

Boeing 737-800

Seats

163 total (16 Business, 147 Economy)

Max altitude

3,850 ft

Max ground speed

228 kt

Tracked

18m · 86 km

Altitude (ft, max 3,850)

Ground speed (kt, max 228)

Altitude (ft, max 3,850)

Ground speed (kt, max 228)

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)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-27 08:35 UTC	ASA9721	EUG → PDX Eugene → Portland	N969AK	Boeing 737 MAX 9	Completed	188 km
2026-09-25 23:36 UTC	ASA9721	BUR → LAX Burbank → Los Angeles	N969AK	Boeing 737 MAX 9	Completed	65 km
2026-09-13 03:46 UTC	ASA9721	EUG → PDX Eugene → Portland	N928AK	Boeing 737 MAX 9	Completed	207 km
2026-09-11 00:18 UTC	ASA9721	OKC → PDX Oklahoma City → Portland	N978AK	Boeing 737 MAX 9	Completed	2580 km
2026-09-07 14:37 UTC	ASA9721	SEA → BFI Seattle → Seattle	N558AS	Boeing 737-800	Completed	89 km
2026-08-22 06:06 UTC	ASA9721	ANC → ANC Anchorage → Anchorage	N973AK	Boeing 737 MAX 9	Completed	3071 km
2026-08-11 14:24 UTC	ASA9721	SEA → BFI Seattle → Seattle	N838AK	Boeing 737 MAX 8	Completed	125 km
2026-08-10 23:06 UTC	ASA9721	? → SEA ? → Seattle	N838AK	Boeing 737 MAX 8	Completed	4167 km