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

Seattle → Ontario via Portland: arrives on time 69%

  1. 19:22 SEA → 20:17 PDX
    AS 2372 · Alaska, flown by Horizon · 55m · 82% on time, 0.0% cancelled
  2. 1h 13m layover in Portland (PDX) · 45 min minimum on one ticket
  3. 21:30 PDX → 23:51 ONT
    AS 97 · Alaska · 2h 21m · 82% on time, 0.0% cancelled

Total trip 4h 29m, scheduled departure to arrival. Times are local. Both flew on 29 of the last 56 days.

Makes the connection85%The first flight arrived more than 28 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 1h 13m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip4h 29mSEA 19:22 to ONT 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.