Alaska Airlines AS15 Landed BOS Boston → SEA Seattle 5h 33m 4,010km / 2,475mi 01. Oct 2021 DEPARTURE 17:24 EDT 21:24 UTC 16:45 +39 minutes TERMINAL: B GATE: B36 ARRIVAL 19:58 PDT 02:58 UTC 20:14 -15 minutes GATE: N11 Boeing B737-900 N409AS AIRLINE Alaska Airlines AS / ASA FREQUENCY irregular/new FLIGHTS/WEEK 49 PUNCTUALITY 88% CO2 EMISSIONS Economy 838kg Eco+ 947kg First 1,368kg