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

Portland → Boise via Seattle: arrives on time 68%

  1. 15:30 PDX → 16:30 SEA
    AS 3408 · Alaska, flown by SkyWest · 1h 00m · 81% on time, 2.2% cancelled
  2. 1h 10m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 17:40 SEA → 20:07 BOI
    AS 2109 · Alaska, flown by Horizon · 1h 27m · 82% on time, 0.7% cancelled

Total trip 3h 37m, 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 connection85%The first flight arrived more than 25 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time68%First flight not cancelled (2.2% are) × connection made (85%) × second flight not cancelled (0.7% are) and within 15 minutes (82%).
Total trip3h 37mPDX 15:30 to BOI 20:07, 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.