Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Houston via Atlanta: arrives on time 63%
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11:00 JFK → 13:33 ATLDL 1029 · Delta · 2h 28m · 86% on time, 1.7% cancelled
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2h 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
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16:25 ATL → 17:39 IAHDL 1223 · Delta · 2h 14m · 68% on time, 2.5% cancelled
Total trip 7h 39m, scheduled departure to arrival (Houston is 1 h behind New York). Times are local. Both flew on 36 of the last 56 days.
Makes the connection97%The first flight arrived more than 127 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 52m layover.
Arrives on time63%First flight not cancelled (1.7% are) × connection made (97%) × second flight not cancelled (2.5% are) and within 15 minutes (68%).
Total trip7h 39mJFK 11:00 to IAH 17:39, 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.