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

Boston → Seattle via Portland: arrives on time 77%

  1. 06:03 BOS → 09:19 PDX
    AS 311 · Alaska · 6h 16m · 88% on time, 0.0% cancelled
  2. 1h 16m layover in Portland (PDX) · 45 min minimum on one ticket
  3. 10:35 PDX → 11:43 SEA
    AS 3431 · Alaska, flown by SkyWest · 1h 08m · 81% on time, 0.0% cancelled

Total trip 8h 40m, scheduled departure to arrival (Seattle is 3 h behind Boston). Times are local. Both flew on 52 of the last 56 days.

Makes the connection95%The first flight arrived more than 31 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (81%).
Total trip8h 40mBOS 06:03 to SEA 11:43, 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.