Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Houston via Chicago: arrives on time 36%
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16:10 MIA → 18:53 ORDUA 2106 · United · 3h 43m · 59% on time, 0.6% cancelled
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1h 09m layover in Chicago (ORD) · 45 min minimum on one ticket
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20:02 ORD → 22:59 IAHUA 2813 · United · 2h 57m · 56% on time, 2.8% cancelled
Total trip 7h 49m, scheduled departure to arrival (Houston is 1 h behind Miami). Times are local. Both flew on 56 of the last 56 days.
Makes the connection66%The first flight arrived more than 24 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 1h 09m layover.
Arrives on time36%First flight not cancelled (0.6% are) × connection made (66%) × second flight not cancelled (2.8% are) and within 15 minutes (56%).
Total trip7h 49mMIA 16:10 to IAH 22:59, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.