AS4

SEA → DCA · Boeing 737 MAX 8 · Alaska Airlines

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For travellers

Departure · Seattle (SEA)

Gate N2

Scheduled 08:00

Board status: Departed

Airborne since 08:13 (ADS-B)

Arrival · Washington (DCA)

Terminal 2 · Gate C30 · Baggage belt 3

Scheduled 16:27 · Estimated 15:27 · early

Board status: InAir

In the air, ~1h 40m to go (55% of the route flown)

Board data from mwaa, sea, updated 49 min ago; times local to each airport.

Flight

Status

In progress

Departure

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

Scheduled departure

2026-10-02 15:00 UTC

Departed

2026-10-02 15:13 UTC

Arrival

Ronald Reagan Washington National Airport (DCA) — Washington, United States (scheduled)

Scheduled arrival

2026-10-02 20:27 UTC

Estimated arrival

2026-10-02 19:27 UTC

Progress

55% · ~1h 40m remaining

Distance flown

2065 km

Straight-line distance

3738 km

Aircraft

Registration

N821AK

Type

Boeing 737 MAX 8

CO2 (EMEP est., total)

71.8 t (294 kg/pax Economy, 588 kg/pax Business)

Altitude & speed

Max altitude

37,000 ft

Max ground speed

558 kt

Tracked

2h 8m · 2,065 km

Note

still in progress - the track so far

Altitude (ft, max 37,000)

Ground speed (kt, max 558)

Altitude (ft, max 37,000)

Ground speed (kt, max 558)

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 15:13 UTC	ASA4	SEA → DCA Seattle → Washington	N821AK	Boeing 737 MAX 8	In progress	~3738 km est.
2026-10-01 15:17 UTC	ASA4	SEA → DCA Seattle → Washington	N512AS	Boeing 737-800	Completed (landing confirmed by airport data)	3822 km
2026-09-30 15:24 UTC	ASA4	SEA → DCA Seattle → Washington	N838AK	Boeing 737 MAX 8	Completed	3826 km

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