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

Houston → Boston via Portland: arrives on time 64%

  1. 18:19 IAH → 20:50 PDX
    AS 1421 · Alaska · 4h 31m · 77% on time, 1.1% cancelled
  2. 1h 06m layover in Portland (PDX) · 45 min minimum on one ticket
  3. 21:56 PDX → 06:20 BOS +1 day
    AS 436 · Alaska · 5h 24m · 80% on time, 0.5% cancelled

Total trip 11h 01m, scheduled departure to arrival (Boston is 1 h ahead of Houston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection81%The first flight arrived more than 21 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time64%First flight not cancelled (1.1% are) × connection made (81%) × second flight not cancelled (0.5% are) and within 15 minutes (80%).
Total trip11h 01mIAH 18:19 to BOS 06:20, 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.