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

Portland → Seattle via Boise: arrives on time 41%

  1. 17:31 PDX → 19:48 BOI
    AS 2104 · Alaska, flown by Horizon · 1h 17m · 71% on time, 0.0% cancelled
  2. 59m layover in Boise (BOI) · 45 min minimum on one ticket
  3. 20:47 BOI → 21:21 SEA
    AS 2352 · Alaska, flown by Horizon · 1h 34m · 60% on time, 2.0% cancelled

Total trip 3h 50m, scheduled departure to arrival. Times are local. Both flew on 51 of the last 56 days.

Makes the connection70%The first flight arrived more than 14 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time41%First flight not cancelled (0.0% are) × connection made (70%) × second flight not cancelled (2.0% are) and within 15 minutes (60%).
Total trip3h 50mPDX 17:31 to SEA 21:21, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.