AS1337 Flight Status Alaska Airlines: Boston to Seattle (ASA1337)

AS 1337 Boston to Seattle Flight Status

Not scheduled today. Latest flight: August 18th, 2026 ; recent history is in the table below.

AS 1337 Flight Status & Schedule Alaska Airlines Boston to Seattle

Date From To Departure Arrival Status Details
Aug 18 BOS SEA 20:04 22:33 Landed Track >
Aug 17 BOS SEA 20:50 23:50 Landed Late Track >
Aug 16 BOS SEA 20:27 23:25 Landed Late Track >
Aug 14 BOS SEA 20:09 22:57 Landed Track >
Aug 13 BOS SEA 20:03 22:49 Landed Track >
Aug 12 BOS SEA 19:58 23:06 Landed Track >
Aug 11 BOS SEA 20:11 22:58 Landed Track >
Aug 10 BOS SEA 20:17 23:11 Landed Track >
Aug 09 BOS SEA 20:14 23:05 Landed Track >
Aug 07 BOS SEA 20:44 23:23 Landed Late Track >

Alaska Airlines' Boston–Seattle flight covers 4,005 km (2,489 mi). The timetable allows 6 h 23 min, but the flight usually takes about 5 h 50 min, so it often makes up time. It is not flying today; the last flight, on 18 August 2026, landed on time.

< All Boston BOS Departures All Seattle SEA Arrivals >

About AS 1337

Alaska Airlines Flight AS1337 connects Boston, United States to Seattle, United States, taking off from Boston Logan International Airport BOS and landing at Seattle Tacoma International Airport SEA.

Route
Boston Logan International Airport BOS to Seattle Tacoma International Airport SEA
Distance
4,005 km (2,489 mi)
Typical flight time
5 h 50 min
On time
7 of the last 10
Average delay when late
26 min
Usually departs from
Terminal B

AS 1337 FAQ

How long is the AS1337 flight from Boston to Seattle?
The timetable allows 6 h 23 min. Boston to Seattle is 4,005 km (2,489 mi).
How often is AS1337 from Boston to Seattle late?
3 of the last 10 flights arrived 15 or more minutes late; when late, by 26 minutes on average.
When was the latest AS1337 flight from Boston to Seattle?
The latest AS1337 was the 19:44 (local time) departure from Boston on 18 August 2026; it landed 34 minutes early.
Which terminal does AS1337 use?
It usually leaves from Terminal B at Boston Logan International Airport (BOS). Check the flight card above for today's terminal and gate.
What other flight numbers does AS1337 have?
Also listed as ASA1337 (Alaska Airlines' ICAO code) and AS 1337.

AS1337 and Boston BOS to Seattle SEA Flights

Flight AS1337 is code-shared by 1 airline using the flight number DE5065

Other flights departing from Boston BOS: DL1632, B62421, TJ433, TJ433

Other flights arriving at Seattle SEA: AS309, AS1333, AS282, AS445

All flights connecting Boston BOS to Seattle SEA.