Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Houston via Seattle: arrives on time 82%
-
17:59 ONT → 20:50 SEADL 4031 · Delta, flown by SkyWest · 2h 51m · 90% on time, 0.3% cancelled
-
2h 59m layover in Seattle (SEA) · 90 min minimum on separate tickets
-
23:49 SEA → 06:10 IAH +1 dayUA 2379 · United · 4h 21m · 84% on time, 0.4% cancelled
Total trip 10h 11m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 38 of the last 56 days.
Makes the connection98%The first flight arrived more than 89 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 59m layover.
Arrives on time82%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (0.4% are) and within 15 minutes (84%).
Total trip10h 11mONT 17:59 to IAH 06:10, 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.