AS306

For travellers

Departure · Boston (BOS)

Terminal B · Gate B4

Scheduled 02 Oct 19:59 · Departed 02 Oct 19:54 · early

Board status: Departed

Airborne since 02 Oct 20:04 (ADS-B)

Board data from bos, updated 174 min ago; times local to each airport.

Flight

Status

In progress

Departure

General Edward Lawrence Logan International Airport (BOS) — Boston, United States

Scheduled departure

2026-10-02 23:59 UTC

Departed

2026-10-03 00:04 UTC

Arrival

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

Progress

68% · ~1h 58m remaining

Distance flown

2741 km

Straight-line distance

4006 km

Aircraft

Registration

N723AL

Type

Boeing 737 MAX 9

CO2 (EMEP est., total)

81.2 t (322 kg/pax Economy, 644 kg/pax Business)

Altitude & speed

Max altitude

38,025 ft

Max ground speed

405 kt

Tracked

3h 59m · 2,741 km

Note

still in progress - the track so far

Altitude (ft, max 38,025)

Ground speed (kt, max 405)

Altitude (ft, max 38,025)

Ground speed (kt, max 405)

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 00:04 UTC	ASA306	BOS → SEA Boston → Seattle	N723AL	Boeing 737 MAX 9	In progress	~4006 km est.
2026-10-02 17:37 UTC	ASA306	SEA → BOS Seattle → Boston	N723AL	Boeing 737 MAX 9	Completed	4164 km
2026-10-02 00:15 UTC	ASA306	BOS → SEA Boston → Seattle	N248AK	Boeing 737-900	Completed	4217 km
2026-10-01 17:32 UTC	ASA306	SEA → BOS Seattle → Boston	N248AK	Boeing 737-900	Completed	4117 km
2026-10-01 01:36 UTC	ASA306	BOS → SEA Boston → Seattle	N462AS	Boeing 737-900	Completed	4260 km
2026-09-30 19:22 UTC	ASA306	SEA → BOS Seattle → Boston	N462AS	Boeing 737-900	Completed	4242 km
2026-09-30 02:40 UTC	ASA306	BOS → SEA Boston → Seattle	N917KA	Boeing 737 MAX 9	Completed	4175 km
2026-09-29 20:00 UTC	ASA306	SEA → BOS Seattle → Boston	N917KA	Boeing 737 MAX 9	Completed	4199 km