Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Philadelphia via Atlanta: arrives on time 77%
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07:02 IAH → 10:05 ATLDL 1315 · Delta · 2h 03m · 88% on time, 1.6% cancelled
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1h 16m layover in Atlanta (ATL) · 45 min minimum on one ticket
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11:21 ATL → 13:24 PHLDL 2279 · Delta · 2h 05m · 86% on time, 1.9% cancelled
Total trip 5h 24m, scheduled departure to arrival (Philadelphia is 1 h ahead of Houston). Times are local. Both flew on 50 of the last 56 days.
Makes the connection93%The first flight arrived more than 31 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time77%First flight not cancelled (1.6% are) × connection made (93%) × second flight not cancelled (1.9% are) and within 15 minutes (86%).
Total trip5h 24mIAH 07:02 to PHL 13:24, 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.