Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Miami via Houston: arrives on time 73%
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05:45 ONT → 11:04 IAHUA 1936 · United · 3h 19m · 91% on time, 0.5% cancelled
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56m layover in Houston (IAH) · 45 min minimum on one ticket
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12:00 IAH → 15:47 MIAUA 410 · United · 2h 47m · 84% on time, 0.0% cancelled
Total trip 7h 02m, scheduled departure to arrival (Miami is 3 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.
Makes the connection87%The first flight arrived more than 11 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time73%First flight not cancelled (0.5% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip7h 02mONT 05:45 to MIA 15:47, 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.