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

Ontario → Houston via Seattle: arrives on time 75%

  1. 19:41 ONT → 22:30 SEA
    AS 592 · Alaska · 2h 49m · 71% on time, 0.0% cancelled
  2. 1h 27m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 23:57 SEA → 06:20 IAH +1 day
    AS 398 · Alaska · 4h 23m · 82% on time, 0.8% cancelled

Total trip 8h 39m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 3 of the last 56 days, too few to list among the best connections.

Makes the connection92%The first flight arrived more than 42 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 27m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (0.8% are) and within 15 minutes (82%).
Total trip8h 39mONT 19:41 to IAH 06:20, 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.