AS378

SEA → BWI · Boeing 737-900 · Alaska Airlines

For travellers

Departure · Seattle (SEA)

Gate D6

Scheduled 09:57

Board status: On-Time

Airborne since 09:53 (ADS-B)

Arrival · Baltimore (BWI)

Gate D20

Scheduled 18:08 · Estimated 18:08

Board status: On Ground

Landed 17:18 (ADS-B)

Board data from bwi, sea, updated 101 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Scheduled departure

2026-10-02 16:57 UTC

Departed

2026-10-02 16:53 UTC

Arrival

Baltimore/Washington International Thurgood Marshall Airport (BWI) — Baltimore, United States

Scheduled arrival

2026-10-02 22:08 UTC

Estimated arrival

2026-10-02 22:08 UTC

Distance flown

3834 km

Straight-line distance

3748 km

Approach distance

68 km

Aircraft

Registration

N260AK

Type

Boeing 737-900

Seats

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

CO2 (EMEP est., total)

91.5 t (782 kg/pax Business, 541 kg/pax Premium Economy, 479 kg/pax Economy)

Altitude & speed

Max altitude

35,025 ft

Max ground speed

555 kt

Tracked

4h 25m · 3,817 km

Altitude (ft, max 35,025)

Ground speed (kt, max 555)

Altitude (ft, max 35,025)

Ground speed (kt, max 555)

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 16:53 UTC	ASA378	SEA → BWI Seattle → Baltimore	N260AK	Boeing 737-900	Completed	3834 km
2026-10-01 17:02 UTC	ASA378	SEA → BWI Seattle → Baltimore	N433AS	Boeing 737-900	Completed	3840 km
2026-09-30 17:44 UTC	ASA378	SEA → BWI Seattle → Baltimore	N265AK	Boeing 737-900	Completed	3893 km

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