Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas → Houston via Atlanta: arrives on time 81%
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06:05 DAL → 09:15 ATLDL 516 · Delta · 2h 10m · 90% on time, 3.0% cancelled
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3h 15m layover in Atlanta (ATL) · 45 min minimum on one ticket
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12:30 ATL → 13:38 IAHDL 1572 · Delta · 2h 08m · 86% on time, 0.5% cancelled
Total trip 7h 33m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 150 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 15m layover.
Arrives on time81%First flight not cancelled (3.0% are) × connection made (98%) × second flight not cancelled (0.5% are) and within 15 minutes (86%).
Total trip7h 33mDAL 06:05 to IAH 13:38, 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.