Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Miami via Chicago: arrives on time 29%
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13:36 IAH → 16:35 ORDAA 1915 · American · 2h 59m · 52% on time, 0.0% cancelled
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1h 25m layover in Chicago (ORD) · 45 min minimum on one ticket
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18:00 ORD → 22:17 MIAAA 2690 · American · 3h 17m · 45% on time, 6.9% cancelled
Total trip 7h 41m, scheduled departure to arrival (Miami is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection68%The first flight arrived more than 40 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time29%First flight not cancelled (0.0% are) × connection made (68%) × second flight not cancelled (6.9% are) and within 15 minutes (45%).
Total trip7h 41mIAH 13:36 to MIA 22:17, 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.