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

Ontario → Houston via Seattle: arrives on time 53%

  1. 14:05 ONT → 16:45 SEA
    AS 567 · Alaska · 2h 40m · 77% on time, 2.2% cancelled
  2. 48m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 17:33 SEA → 23:59 IAH
    AS 1579 · Alaska · 4h 26m · 88% on time, 0.0% cancelled

Total trip 7h 54m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 26 of the last 56 days.

Makes the connection61%The first flight arrived more than 3 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time53%First flight not cancelled (2.2% are) × connection made (61%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 54mONT 14:05 to IAH 23:59, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.