Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Houston via Dallas-Fort Worth: arrives on time 36%
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05:34 ONT → 10:41 DFWAA 1412 · American · 3h 07m · 89% on time, 1.6% cancelled
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1h 17m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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11:58 DFW → 13:09 IAHAA 2512 · American · 1h 11m · 41% on time, 3.2% cancelled
Total trip 5h 35m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 48 of the last 56 days.
Makes the connection93%The first flight arrived more than 32 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 17m layover.
Arrives on time36%First flight not cancelled (1.6% are) × connection made (93%) × second flight not cancelled (3.2% are) and within 15 minutes (41%).
Total trip5h 35mONT 05:34 to IAH 13:09, 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.