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

Ontario → Houston via Seattle: arrives on time 88%

  1. 06:02 ONT → 08:44 SEA
    AS 607 · Alaska · 2h 42m · 93% on time, 0.8% cancelled
  2. 3h 11m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 11:55 SEA → 18:35 IAH
    UA 2293 · United · 4h 40m · 90% on time, 0.0% cancelled

Total trip 10h 33m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 101 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 11m layover.
Arrives on time88%First flight not cancelled (0.8% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip10h 33mONT 06:02 to IAH 18:35, 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.