tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Portland → Boston via Seattle: arrives on time 52%

  1. 08:19 PDX → 09:14 SEA
    AS 2108 · Alaska, flown by Horizon · 55m · 92% on time, 1.9% cancelled
  2. 59m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 10:13 SEA → 18:41 BOS
    AS 219 · Alaska · 5h 28m · 58% on time, 0.0% cancelled

Total trip 7h 22m, scheduled departure to arrival (Boston is 3 h ahead of Portland). Times are local. Both flew on 52 of the last 56 days.

Makes the connection91%The first flight arrived more than 14 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time52%First flight not cancelled (1.9% are) × connection made (91%) × second flight not cancelled (0.0% are) and within 15 minutes (58%).
Total trip7h 22mPDX 08:19 to BOS 18:41, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.