Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Dulles via Houston: arrives on time 67%
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12:29 MIA → 14:23 IAHUA 470 · United · 2h 54m · 87% on time, 0.6% cancelled
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2h 12m layover in Houston (IAH) · 45 min minimum on one ticket
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16:35 IAH → 20:46 IADUA 2388 · United · 3h 11m · 70% on time, 0.0% cancelled
Total trip 8h 17m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection95%The first flight arrived more than 87 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 12m layover.
Arrives on time67%First flight not cancelled (0.6% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (70%).
Total trip8h 17mMIA 12:29 to IAD 20:46, 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.