Alaska Airlines
AS306Seattle to Boston
Alaska Airlines flight AS306 flies from Seattle Tacoma (SEA) to Boston (BOS), 4,006 km. Over August 2025 to July 2026 it usually arrives about 9 minutes late: 71% of 481 flights arrived within 15 minutes of schedule and 1.5% were cancelled (US Department of Transportation data).
On-time record, last 12 months
71%
on time (within 15 min)
16%
more than 30 min late
1.5%
cancelled
+9 min
average arrival vs schedule
Every operation of AS306, August 2025 to July 2026: 481 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS306
- Seattle Tacoma (SEA) to Boston (BOS)365 flights
- Boston (BOS) to Seattle Tacoma (SEA)116 flights
Other flights from Seattle to Boston
More about Seattle Tacoma (SEA) and Boston (BOS).
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