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

Portland → Boise via Seattle: arrives on time 85%

  1. 05:00 PDX → 05:53 SEA
    AS 2431 · Alaska, flown by Horizon · 53m · 94% on time, 1.9% cancelled
  2. 1h 14m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 07:07 SEA → 09:40 BOI
    AS 248 · Alaska · 1h 33m · 90% on time, 0.0% cancelled

Total trip 3h 40m, scheduled departure to arrival (Boise is 1 h ahead of Portland). Times are local. Both flew on 52 of the last 56 days.

Makes the connection96%The first flight arrived more than 29 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 14m layover.
Arrives on time85%First flight not cancelled (1.9% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip3h 40mPDX 05:00 to BOI 09:40, 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.