tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Ontario → Newark via Portland: arrives on time 83%

  1. 17:32 ONT → 19:49 PDX
    AS 2456 · Alaska, flown by Horizon · 2h 17m · 93% on time, 1.3% cancelled
  2. 3h 03m layover in Portland (PDX) · 90 min minimum on separate tickets
  3. 22:52 PDX → 07:06 EWR +1 day
    UA 1802 · United · 5h 14m · 87% on time, 2.3% cancelled

Total trip 10h 34m, scheduled departure to arrival (Newark is 3 h ahead of Ontario). Times are local. Both flew on 51 of the last 56 days.

Makes the connection99%The first flight arrived more than 93 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 03m layover.
Arrives on time83%First flight not cancelled (1.3% are) × connection made (99%) × second flight not cancelled (2.3% are) and within 15 minutes (87%).
Total trip10h 34mONT 17:32 to EWR 07:06, 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.