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

Portland → Boston via Seattle: arrives on time 71%

  1. 06:19 PDX → 07:17 SEA
    AS 499 · Alaska · 58m · 93% on time, 1.0% cancelled
  2. 1h 06m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 08:23 SEA → 16:53 BOS
    AS 306 · Alaska · 5h 30m · 76% on time, 1.4% cancelled

Total trip 7h 34m, scheduled departure to arrival (Boston is 3 h ahead of Portland). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 21 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time71%First flight not cancelled (1.0% are) × connection made (96%) × second flight not cancelled (1.4% are) and within 15 minutes (76%).
Total trip7h 34mPDX 06:19 to BOS 16:53, 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.