Alaska Airlines AS537 Delayed BOS Boston → SEA Seattle 6h 9m 4,010km / 2,475mi 31. May 2025 DEPARTURE 09:15 EDT 13:15 UTC 09:00 +15 minutes TERMINAL: B GATE: B36 ARRIVAL 12:09 PDT 19:09 UTC GATE: N7 AIRLINE Alaska Airlines AS / ASA FREQUENCY daily DISTANCE 4,010km FLIGHTS/WEEK 52 PUNCTUALITY 90% CO2 EMISSIONS Economy 539kg Eco+ 607kg First 882kg