Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Houston via Miami: arrives on time 55%
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17:25 JFK → 20:59 MIAAA 688 · American · 3h 34m · 76% on time, 3.5% cancelled
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1h 16m layover in Miami (MIA) · 45 min minimum on one ticket
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22:15 MIA → 23:59 IAHAA 2230 · American · 2h 44m · 70% on time, 1.7% cancelled
Total trip 7h 34m, scheduled departure to arrival (Houston is 1 h behind New York). Times are local. Both flew on 56 of the last 56 days.
Makes the connection83%The first flight arrived more than 31 minutes late on 17% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time55%First flight not cancelled (3.5% are) × connection made (83%) × second flight not cancelled (1.7% are) and within 15 minutes (70%).
Total trip7h 34mJFK 17:25 to IAH 23:59, 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.