AS304

SEA → DEN · Boeing 737-800 · Alaska Airlines

For travellers

Departure · Seattle (SEA)

Gate N12

Scheduled 02 Oct 12:48

Board status: Departed

Airborne since 02 Oct 12:49 (ADS-B)

Arrival · Denver (DEN)

Gate A44 · Baggage belt 9

Scheduled 02 Oct 16:43 · Landed 02 Oct 16:17 · early

Board status: Arrived

Landed 02 Oct 17:40 (ADS-B)

Board data from den, sea, updated 222 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Scheduled departure

2026-10-02 19:48 UTC

Departed

2026-10-02 19:49 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Scheduled arrival

2026-10-02 22:43 UTC

Estimated arrival

2026-10-02 22:18 UTC

Distance flown

1735 km

Straight-line distance

1645 km

Approach distance

41 km

Aircraft

Registration

N535AS

Type

Boeing 737-800

Seats

163 total (16 Business, 147 Economy)

CO2 (EMEP est., total)

40.1 t (378 kg/pax Business, 231 kg/pax Economy)

Altitude & speed

Max altitude

37,025 ft

Max ground speed

532 kt

Tracked

3h 56m · 1,726 km

Altitude (ft, max 37,025)

Ground speed (kt, max 532)

Altitude (ft, max 37,025)

Ground speed (kt, max 532)

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 19:49 UTC	ASA304	SEA → DEN Seattle → Denver	N535AS	Boeing 737-800	Completed	1735 km
2026-10-01 20:02 UTC	ASA304	SEA → DEN Seattle → Denver	N806AK	Boeing 737 MAX 8	Completed	1831 km
2026-09-30 20:03 UTC	ASA304	SEA → DEN Seattle → Denver	N954AK	Boeing 737 MAX 9	Completed	1809 km
2026-09-29 20:30 UTC	ASA304	SEA → DEN Seattle → Denver	N265AK	Boeing 737-900	Completed	1741 km

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