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

Portland → Ontario via Seattle: arrives on time 85%

  1. 05:00 PDX → 05:53 SEA
    AS 2431 · Alaska, flown by Horizon · 53m · 94% on time, 1.9% cancelled
  2. 2h 40m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 08:33 SEA → 11:14 ONT
    AS 1364 · Alaska · 2h 41m · 90% on time, 4.2% cancelled

Total trip 6h 14m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.

Makes the connection100%The first flight arrived more than 115 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 40m layover.
Arrives on time85%First flight not cancelled (1.9% are) × connection made (100%) × second flight not cancelled (4.2% are) and within 15 minutes (90%).
Total trip6h 14mPDX 05:00 to ONT 11:14, 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.