ASA306

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 1020 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

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

Also flies as

AS306

Distance flown

4129 km

Straight-line distance

4006 km

Approach distance

70 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

411 kt

Tracked

6h 6m · 4,120 km

Altitude (ft, max 38,025)

Ground speed (kt, max 411)

Altitude (ft, max 38,025)

Ground speed (kt, max 411)

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 16:30 UTC	ASA306	SEA → BOS Seattle → Boston	N803AK	Boeing 737 MAX 8	In progress	~4006 km est.
2026-10-03 00:04 UTC	ASA306	BOS → SEA Boston → Seattle	N723AL	Boeing 737 MAX 9	Completed	4129 km
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
2026-09-28 02:47 UTC	ASA306	BOS → SEA Boston → Seattle	N941AK	Boeing 737 MAX 9	Completed	4192 km
2026-09-27 20:25 UTC	ASA306	SEA → BOS Seattle → Boston	N941AK	Boeing 737 MAX 9	Completed	4139 km
2026-09-27 00:33 UTC	ASA306	BOS → SEA Boston → Seattle	N731AL	Boeing 737 MAX 9	Completed	4161 km
2026-09-26 17:25 UTC	ASA306	SEA → BOS Seattle → Boston	N731AL	Boeing 737 MAX 9	Completed	4177 km
2026-09-26 00:45 UTC	ASA306	BOS → SEA Boston → Seattle	N724AL	Boeing 737 MAX 9	Completed	4094 km
2026-09-25 17:49 UTC	ASA306	SEA → BOS Seattle → Boston	N724AL	Boeing 737 MAX 9	Completed	4157 km
2026-09-25 02:42 UTC	ASA306	BOS → SEA Boston → Seattle	N973AK	Boeing 737 MAX 9	Completed	4108 km
2026-09-24 20:22 UTC	ASA306	SEA → BOS Seattle → Boston	N973AK	Boeing 737 MAX 9	Completed	4236 km
2026-09-24 00:04 UTC	ASA306	BOS → SEA Boston → Seattle	N423AS	Boeing 737-900	Completed	4157 km
2026-09-23 17:24 UTC	ASA306	SEA → BOS Seattle → Boston	N423AS	Boeing 737-900	Completed	4163 km
2026-09-23 01:25 UTC	ASA306	BOS → SEA Boston → Seattle	N946AK	Boeing 737 MAX 9	Completed	4135 km
2026-09-22 18:22 UTC	ASA306	SEA → BOS Seattle → Boston	N946AK	Boeing 737 MAX 9	Completed	4161 km
2026-09-22 02:03 UTC	ASA306	BOS → SEA Boston → Seattle	N978AK	Boeing 737 MAX 9	Completed	4132 km
2026-09-21 19:46 UTC	ASA306	SEA → BOS Seattle → Boston	N978AK	Boeing 737 MAX 9	Completed	4158 km
2026-09-21 00:37 UTC	ASA306	BOS → SEA Boston → Seattle	N434AS	Boeing 737-900	Completed	4231 km
2026-09-20 17:20 UTC	ASA306	SEA → BOS Seattle → Boston	N434AS	Boeing 737-900	Completed	4171 km
2026-09-20 00:17 UTC	ASA306	BOS → SEA Boston → Seattle	N409AS	Boeing 737-900	Completed	4280 km
2026-09-19 17:48 UTC	ASA306	SEA → BOS Seattle → Boston	N409AS	Boeing 737-900	Completed	4333 km
2026-09-19 01:33 UTC	ASA306	BOS → SEA Boston → Seattle	N266AK	Boeing 737-900	Completed	4314 km
2026-09-18 18:44 UTC	ASA306	SEA → BOS Seattle → Boston	N266AK	Boeing 737-900	Completed	4538 km
2026-09-18 00:17 UTC	ASA306	BOS → SEA Boston → Seattle	N464AS	Boeing 737-900	Completed	4388 km
2026-09-17 17:20 UTC	ASA306	SEA → BOS Seattle → Boston	N464AS	Boeing 737-900	Completed	4329 km
2026-09-17 01:52 UTC	ASA306	BOS → SEA Boston → Seattle	N407AS	Boeing 737-900	Completed	4375 km
2026-09-16 19:55 UTC	ASA306	SEA → BOS Seattle → Boston	N407AS	Boeing 737-900	Completed	4291 km
2026-09-16 00:43 UTC	ASA306	BOS → SEA Boston → Seattle	N984AK	Boeing 737 MAX 9	Completed	4346 km
2026-09-15 18:04 UTC	ASA306	SEA → BOS Seattle → Boston	N984AK	Boeing 737 MAX 9	Completed	4609 km
2026-09-15 01:25 UTC	ASA306	BOS → SEA Boston → Seattle	N926AK	Boeing 737 MAX 9	Completed	4287 km
2026-09-14 18:13 UTC	ASA306	SEA → BOS Seattle → Boston	N926AK	Boeing 737 MAX 9	Completed	4377 km
2026-09-14 03:25 UTC	ASA306	BOS → SEA Boston → Seattle	N931AK	Boeing 737 MAX 9	Completed	4333 km
2026-09-13 20:53 UTC	ASA306	SEA → BOS Seattle → Boston	N931AK	Boeing 737 MAX 9	Completed	4687 km
2026-09-13 00:37 UTC	ASA306	BOS → SEA Boston → Seattle	N519AS	Boeing 737-800	Completed	4411 km
2026-09-12 17:33 UTC	ASA306	SEA → BOS Seattle → Boston	N519AS	Boeing 737-800	Completed	4342 km
2026-09-12 01:05 UTC	ASA306	BOS → SEA Boston → Seattle	N291BT	Boeing 737 MAX 9	Completed	4349 km
2026-09-11 18:20 UTC	ASA306	SEA → BOS Seattle → Boston	N291BT	Boeing 737 MAX 9	Completed	4414 km
2026-09-11 00:56 UTC	ASA306	BOS → SEA Boston → Seattle	N938AK	Boeing 737 MAX 9	Completed	4324 km
2026-09-10 18:53 UTC	ASA306	SEA → BOS Seattle → Boston	N938AK	Boeing 737 MAX 9	Completed	4563 km
2026-09-10 01:27 UTC	ASA306	BOS → SEA Boston → Seattle	N273AK	Boeing 737-900	Completed	4371 km
2026-09-08 00:56 UTC	ASA306	BOS → SEA Boston → Seattle	N408AS	Boeing 737-900	Completed	4274 km
2026-09-07 18:32 UTC	ASA306	SEA → BOS Seattle → Boston	N408AS	Boeing 737-900	Completed	4410 km
2026-09-07 00:37 UTC	ASA306	BOS → SEA Boston → Seattle	N275AK	Boeing 737-900	Completed	4395 km
2026-09-06 17:54 UTC	ASA306	SEA → BOS Seattle → Boston	N275AK	Boeing 737-900	Completed	4322 km