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

Portland → Billings via Seattle: arrives on time 91%

  1. 17:30 PDX → 18:33 SEA
    AS 430 · Alaska · 1h 03m · 77% on time, 0.0% cancelled
  2. 2h 26m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 20:59 SEA → 23:51 BIL
    AS 2457 · Alaska, flown by Horizon · 1h 52m · 92% on time, 1.0% cancelled

Total trip 5h 21m, scheduled departure to arrival (Billings is 1 h ahead of Portland). Times are local. Both flew on 51 of the last 56 days.

Makes the connection100%The first flight arrived more than 101 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 26m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.0% are) and within 15 minutes (92%).
Total trip5h 21mPDX 17:30 to BIL 23:51, 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.