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

Houston → Ontario via Portland: arrives on time 87%

  1. 09:30 IAH → 11:56 PDX
    UA 740 · United · 4h 26m · 86% on time, 0.0% cancelled
  2. 2h 34m layover in Portland (PDX) · 90 min minimum on separate tickets
  3. 14:30 PDX → 16:52 ONT
    AS 2093 · Alaska, flown by Horizon · 2h 22m · 92% on time, 0.0% cancelled

Total trip 9h 22m, scheduled departure to arrival (Ontario is 2 h behind Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection94%The first flight arrived more than 64 minutes late on 6% of the days it flew: too late for the 90-minute minimum connection on a 2h 34m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip9h 22mIAH 09:30 to ONT 16:52, 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.