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

Portland → Billings via Seattle: arrives on time 78%

  1. 12:03 PDX → 13:03 SEA
    AS 3078 · Alaska, flown by SkyWest · 1h 00m · 86% on time, 1.9% cancelled
  2. 2h 46m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 15:49 SEA → 18:42 BIL
    AS 2353 · Alaska, flown by Horizon · 1h 53m · 83% on time, 0.9% cancelled

Total trip 5h 39m, 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 connection96%The first flight arrived more than 121 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 46m layover.
Arrives on time78%First flight not cancelled (1.9% are) × connection made (96%) × second flight not cancelled (0.9% are) and within 15 minutes (83%).
Total trip5h 39mPDX 12:03 to BIL 18:42, 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.