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

Portland → Billings via Seattle: arrives on time 70%

  1. 08:19 PDX → 09:14 SEA
    AS 2108 · Alaska, flown by Horizon · 55m · 92% on time, 1.9% cancelled
  2. 55m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 10:09 SEA → 13:05 BIL
    AS 2054 · Alaska, flown by Horizon · 1h 56m · 82% on time, 1.9% cancelled

Total trip 3h 46m, scheduled departure to arrival (Billings is 1 h ahead of Portland). Times are local. Both flew on 52 of the last 56 days.

Makes the connection88%The first flight arrived more than 10 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time70%First flight not cancelled (1.9% are) × connection made (88%) × second flight not cancelled (1.9% are) and within 15 minutes (82%).
Total trip3h 46mPDX 08:19 to BIL 13:05, 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.