ASA459

For travellers

Departure · Boston (BOS)

Terminal B · Gate B4

Scheduled 30 Sep 07:12 · Departed 30 Sep 08:00 · +48 min

Board status: Departed

Airborne since 30 Sep 08:25 (ADS-B)

Arrival · Seattle (SEA)

Gate N9

Scheduled 30 Sep 10:25 · Estimated 30 Sep 11:22 · +57 min

Board status: Landed

Landed 30 Sep 11:24 (ADS-B)

Board data from bos, sea, updated 3885 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Scheduled departure

2026-09-30 11:12 UTC

Departed

2026-09-30 12:25 UTC

Arrival

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

Scheduled arrival

2026-09-30 17:25 UTC

Estimated arrival

2026-09-30 18:22 UTC

Also flies as

AS459

Distance flown

4214 km

Straight-line distance

4006 km

Approach distance

66 km

Aircraft

Registration

N275AK

Type

Boeing 737-900

Seats

178 total (16 Business, 162 Economy)

CO2 (EMEP est., total)

97.4 t (847 kg/pax Business, 518 kg/pax Economy)

Altitude & speed

Max altitude

34,025 ft

Max ground speed

465 kt

Tracked

5h 59m · 4,194 km

Altitude (ft, max 34,025)

Ground speed (kt, max 465)

Altitude (ft, max 34,025)

Ground speed (kt, max 465)

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
2026-10-02 11:31 UTC	ASA459	BOS → SEA Boston → Seattle	N952AK	Boeing 737 MAX 9	Completed	4144 km
2026-10-01 15:37 UTC	ASA459	BOS → SEA Boston → Seattle	N990AK	Boeing 737 MAX 9	Completed	1226 km
2026-10-01 11:30 UTC	ASA459	BOS → SEA Boston → Seattle	N990AK	Boeing 737 MAX 9	Incomplete (signal lost)	~4166 km est. (2611 km recorded)
2026-09-30 12:25 UTC	ASA459	BOS → SEA Boston → Seattle	N275AK	Boeing 737-900	Completed	4214 km
2026-09-29 12:30 UTC	ASA459	BOS → SEA Boston → Seattle	N921AK	Boeing 737 MAX 9	Completed	4161 km
2026-09-28 11:27 UTC	ASA459	BOS → SEA Boston → Seattle	N537AS	Boeing 737-800	Completed	4252 km
2026-09-27 11:28 UTC	ASA459	BOS → SEA Boston → Seattle	N486AS	Boeing 737-900	Completed	4297 km
2026-09-26 11:10 UTC	ASA459	BOS → SEA Boston → Seattle	N954AK	Boeing 737 MAX 9	Completed	4131 km
2026-09-25 11:08 UTC	ASA459	BOS → SEA Boston → Seattle	N979AK	Boeing 737 MAX 9	Completed	4146 km
2026-09-24 11:23 UTC	ASA459	BOS → SEA Boston → Seattle	N707AL	Boeing 737 MAX 9	Completed	4171 km
2026-09-23 11:21 UTC	ASA459	BOS → SEA Boston → Seattle	N710AL	Boeing 737 MAX 9	Completed	4136 km
2026-09-22 11:04 UTC	ASA459	BOS → SEA Boston → Seattle	N282AK	Boeing 737-900	Completed	4139 km
2026-09-21 11:19 UTC	ASA459	BOS → SEA Boston → Seattle	N274AK	Boeing 737-900	Completed	4206 km
2026-09-20 11:39 UTC	ASA459	BOS → SEA Boston → Seattle	N725AL	Boeing 737 MAX 9	Completed	4560 km
2026-09-19 11:34 UTC	ASA459	BOS → SEA Boston → Seattle	N493AS	Boeing 737-900	Completed	4523 km
2026-09-18 11:11 UTC	ASA459	BOS → SEA Boston → Seattle	N952AK	Boeing 737 MAX 9	Completed	4419 km
2026-09-17 11:37 UTC	ASA459	BOS → SEA Boston → Seattle	N290AK	Boeing 737-900	Completed	4603 km
2026-09-16 11:22 UTC	ASA459	BOS → SEA Boston → Seattle	N732AL	Boeing 737 MAX 9	Completed	4421 km
2026-09-15 11:02 UTC	ASA459	BOS → SEA Boston → Seattle	N433AS	Boeing 737-900	Completed	4495 km
2026-09-14 11:24 UTC	ASA459	BOS → SEA Boston → Seattle	N912AK	Boeing 737 MAX 9	Completed	4335 km
2026-09-13 11:58 UTC	ASA459	BOS → SEA Boston → Seattle	N931AK	Boeing 737 MAX 9	Completed	4343 km
2026-09-12 11:03 UTC	ASA459	BOS → SEA Boston → Seattle	N719AL	Boeing 737 MAX 9	Completed	4368 km
2026-09-11 17:12 UTC	ASA459	BOS → SEA Boston → Seattle	N918AK	Boeing 737 MAX 9	Completed	26 km
2026-09-11 10:59 UTC	ASA459	BOS → SEA Boston → Seattle	N918AK	Boeing 737 MAX 9	Completed	4393 km
2026-09-10 11:34 UTC	ASA459	BOS → SEA Boston → Seattle	N937AK	Boeing 737 MAX 9	Completed	4654 km
2026-09-09 11:20 UTC	ASA459	BOS → SEA Boston → Seattle	N492AS	Boeing 737-900	Completed	4629 km
2026-09-08 11:16 UTC	ASA459	BOS → SEA Boston → Seattle	N413AS	Boeing 737-900	Incomplete (signal lost)	~4441 km est. (1379 km recorded)
2026-09-07 11:31 UTC	ASA459	BOS → SEA Boston → Seattle	N709AL	Boeing 737 MAX 9	Completed	4376 km
2026-09-06 11:19 UTC	ASA459	BOS → SEA Boston → Seattle	N978AK	Boeing 737 MAX 9	Completed	4405 km
2026-09-05 11:35 UTC	ASA459	BOS → SEA Boston → Seattle	N532AS	Boeing 737-800	Completed	4295 km
2026-09-04 11:11 UTC	ASA459	BOS → SEA Boston → Seattle	N469AS	Boeing 737-900	Completed	4333 km
2026-09-03 11:39 UTC	ASA459	BOS → SEA Boston → Seattle	N270AK	Boeing 737-900	Completed	4306 km
2026-09-02 12:31 UTC	ASA459	BOS → SEA Boston → Seattle	N973AK	Boeing 737 MAX 9	Completed	4294 km
2026-09-01 11:17 UTC	ASA459	BOS → SEA Boston → Seattle	N280AK	Boeing 737-900	Completed	4412 km
2026-08-31 12:00 UTC	ASA459	BOS → SEA Boston → Seattle	N408AS	Boeing 737-900	Completed	4928 km
2026-08-30 11:32 UTC	ASA459	BOS → SEA Boston → Seattle	N440AS	Boeing 737-900	Completed	4199 km
2026-08-29 11:37 UTC	ASA459	BOS → SEA Boston → Seattle	N260AK	Boeing 737-900	Completed	4475 km
2026-08-28 11:07 UTC	ASA459	BOS → SEA Boston → Seattle	N955AK	Boeing 737 MAX 9	Completed	4421 km
2026-08-27 11:26 UTC	ASA459	BOS → SEA Boston → Seattle	N979AK	Boeing 737 MAX 9	Completed	4382 km
2026-08-26 11:41 UTC	ASA459	BOS → SEA Boston → Seattle	N403AS	Boeing 737-900	Completed	4477 km
2026-08-25 11:15 UTC	ASA459	BOS → SEA Boston → Seattle	N918AK	Boeing 737 MAX 9	Completed	4371 km
2026-08-24 11:55 UTC	ASA459	BOS → SEA Boston → Seattle	N236AK	Boeing 737-900	Completed	4570 km
2026-08-23 11:32 UTC	ASA459	BOS → SEA Boston → Seattle	N956AK	Boeing 737 MAX 9	Completed	5507 km
2026-08-22 11:20 UTC	ASA459	BOS → SEA Boston → Seattle	N265AK	Boeing 737-900	Completed	5600 km
2026-08-21 11:17 UTC	ASA459	BOS → SEA Boston → Seattle	N990AK	Boeing 737 MAX 9	Completed	5484 km
2026-08-20 11:36 UTC	ASA459	BOS → SEA Boston → Seattle	N248AK	Boeing 737-900	Completed	13354 km
2026-08-19 11:32 UTC	ASA459	BOS → SEA Boston → Seattle	N409AS	Boeing 737-900	Completed	8717 km
2026-08-18 11:44 UTC	ASA459	BOS → SEA Boston → Seattle	N958AK	Boeing 737 MAX 9	Completed	10876 km
2026-08-17 11:51 UTC	ASA459	BOS → SEA Boston → Seattle	N954AK	Boeing 737 MAX 9	Completed	11298 km
2026-08-16 10:57 UTC	ASA459	BOS → SEA Boston → Seattle	N273AK	Boeing 737-900	Completed	5576 km