ASA203

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Departed

2026-10-02 03:29 UTC (first seen)

Arrival

San Diego International Airport (SAN) — San Diego, United States

Distance flown

666 km

Straight-line distance

1692 km

Approach distance

63 km

Aircraft

Registration

N921AK

Type

Boeing 737 MAX 9

Seats

178 total (16 Business, 24 Premium Economy, 138 Economy)

Altitude & speed

Max altitude

34,000 ft

Max ground speed

494 kt

Tracked

57m · 665 km

Altitude (ft, max 34,000)

Ground speed (kt, max 494)

Altitude (ft, max 34,000)

Ground speed (kt, max 494)

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
2026-10-04 03:02 UTC	ASA203	SEA → SAN Seattle → San Diego	N474AS	Boeing 737-900	Completed	648 km
2026-10-03 23:08 UTC	ASA203	OGG → SAN Kahului → San Diego	N474AS	Boeing 737-900	Completed (landing confirmed by airport data)	~4108 km est. (79 km recorded)
2026-10-03 03:09 UTC	ASA203	SEA → SAN Seattle → San Diego	N733AL	Boeing 737 MAX 9	Completed	732 km
2026-10-02 23:14 UTC	ASA203	OGG → SAN Kahului → San Diego	N733AL	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~4098 km est. (69 km recorded)
2026-10-02 03:29 UTC	ASA203	SEA → SAN Seattle → San Diego	N921AK	Boeing 737 MAX 9	Completed	666 km
2026-10-01 23:31 UTC	ASA203	OGG → SAN Kahului → San Diego	N921AK	Boeing 737 MAX 9	Incomplete (signal lost)	~4094 km est. (63 km recorded)
2026-10-01 03:14 UTC	ASA203	OGG → SAN Kahului → San Diego	N846AK	Boeing 737 MAX 8	Completed	562 km
2026-09-30 23:08 UTC	ASA203	SEA → ANC Seattle → Anchorage	N846AK	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	~4593 km est. (78 km recorded)
2026-09-29 23:07 UTC	ASA203	SEA → SAN Seattle → San Diego	N801AK	Boeing 737 MAX 8	Completed	4198 km
2026-09-28 23:13 UTC	ASA203	SEA → SAN Seattle → San Diego	N563AS	Boeing 737-800	Completed	4175 km
2026-09-28 00:23 UTC	ASA203	SEA → SAN Seattle → San Diego	N535AS	Boeing 737-800	Completed	4145 km
2026-09-26 23:17 UTC	ASA203	SEA → SAN Seattle → San Diego	N974AK	Boeing 737 MAX 9	Completed	4159 km
2026-09-25 23:04 UTC	ASA203	SEA → SAN Seattle → San Diego	N562AS	Boeing 737-800	Completed	4215 km
2026-09-24 23:08 UTC	ASA203	SEA → SAN Seattle → San Diego	N291BT	Boeing 737 MAX 9	Completed	4175 km
2026-09-23 23:21 UTC	ASA203	SEA → SAN Seattle → San Diego	N530AS	Boeing 737-800	Completed	4160 km
2026-09-22 16:04 UTC	ASA203	SEA → SAN Seattle → San Diego	N508AS	Boeing 737-800	Completed	8509 km
2026-09-21 23:09 UTC	ASA203	SEA → SAN Seattle → San Diego	N816AK	Boeing 737 MAX 8	Completed	4170 km
2026-09-20 23:06 UTC	ASA203	SEA → SAN Seattle → San Diego	N506AS	Boeing 737-800	Completed	4152 km
2026-09-19 23:03 UTC	ASA203	SEA → SAN Seattle → San Diego	N512AS	Boeing 737-800	Completed	4197 km
2026-09-18 23:12 UTC	ASA203	SEA → SAN Seattle → San Diego	N803AK	Boeing 737 MAX 8	Completed	4200 km
2026-09-17 23:07 UTC	ASA203	SEA → SAN Seattle → San Diego	N593AS	Boeing 737-800	Completed	4185 km
2026-09-17 00:04 UTC	ASA203	SEA → SAN Seattle → San Diego	N587AS	Boeing 737-800	Completed	4173 km
2026-09-15 23:38 UTC	ASA203	SEA → SAN Seattle → San Diego	N812AK	Boeing 737 MAX 8	Completed	4186 km
2026-09-14 23:22 UTC	ASA203	SEA → SAN Seattle → San Diego	N579AS	Boeing 737-800	Completed	4181 km
2026-09-13 23:12 UTC	ASA203	? → SAN ? → San Diego	N897AK	Boeing 737 MAX 8	Completed	4163 km
2026-09-12 23:13 UTC	ASA203	SEA → SAN Seattle → San Diego	N562AS	Boeing 737-800	Completed	4189 km
2026-09-11 23:27 UTC	ASA203	SEA → SAN Seattle → San Diego	N558AS	Boeing 737-800	Completed	4209 km
2026-09-10 23:22 UTC	ASA203	? → SAN ? → San Diego	N560AS	Boeing 737-800	Completed	4215 km
2026-09-09 23:08 UTC	ASA203	? → SAN ? → San Diego	N508AS	Boeing 737-800	Completed	4173 km
2026-09-07 23:24 UTC	ASA203	? → SAN ? → San Diego	N577AS	Boeing 737-800	Completed	4156 km
2026-09-06 23:17 UTC	ASA203	? → SAN ? → San Diego	N589AS	Boeing 737-800	Completed	4156 km
2026-09-05 23:07 UTC	ASA203	? → SAN ? → San Diego	N559AS	Boeing 737-800	Completed	4175 km
2026-09-05 02:50 UTC	ASA203	? → SAN ? → San Diego	N816AK	Boeing 737 MAX 8	Completed	639 km
2026-09-03 22:59 UTC	ASA203	? → SAN ? → San Diego	N433AS	Boeing 737-900	Completed	4193 km
2026-09-02 23:13 UTC	ASA203	? → SAN ? → San Diego	N594AS	Boeing 737-800	Completed	4201 km
2026-09-02 03:00 UTC	ASA203	? → SAN ? → San Diego	N537AS	Boeing 737-800	Completed	561 km
2026-08-31 23:14 UTC	ASA203	? → SAN ? → San Diego	N707AL	Boeing 737 MAX 9	Completed	4199 km
2026-08-30 23:06 UTC	ASA203	? → SAN ? → San Diego	N562AS	Boeing 737-800	Completed	4185 km
2026-08-29 23:10 UTC	ASA203	? → SAN ? → San Diego	N585AS	Boeing 737-800	Completed	4171 km
2026-08-28 23:11 UTC	ASA203	? → SAN ? → San Diego	N562AS	Boeing 737-800	Completed	4311 km
2026-08-27 23:17 UTC	ASA203	? → SAN ? → San Diego	N928AK	Boeing 737 MAX 9	Completed	4136 km
2026-08-26 23:05 UTC	ASA203	? → SAN ? → San Diego	N529AS	Boeing 737-800	Completed	4173 km
2026-08-25 23:05 UTC	ASA203	? → SAN ? → San Diego	N897AK	Boeing 737 MAX 8	Completed	4157 km
2026-08-24 23:47 UTC	ASA203	? → SAN ? → San Diego	N581AS	Boeing 737-800	Completed	4212 km
2026-08-23 23:20 UTC	ASA203	? → SAN ? → San Diego	N508AS	Boeing 737-800	Completed	4182 km
2026-08-22 16:00 UTC	ASA203	SEA → SAN Seattle → San Diego	N516AS	Boeing 737-800	Completed	9087 km
2026-08-21 23:09 UTC	ASA203	? → SAN ? → San Diego	N506AS	Boeing 737-800	Completed	4884 km
2026-08-20 23:04 UTC	ASA203	? → SAN ? → San Diego	N518AS	Boeing 737-800	Completed	4618 km
2026-08-19 15:40 UTC	ASA203	SEA → SAN Seattle → San Diego	N589AS	Boeing 737-800	Completed	9371 km
2026-08-17 22:43 UTC	ASA203	? → SAN ? → San Diego	N733AL	Boeing 737 MAX 9	Completed	4288 km