Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Charleston via Atlanta: arrives on time 72%
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10:16 HOU → 13:20 ATLDL 1509 · Delta · 2h 04m · 88% on time, 3.0% cancelled
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4h 22m layover in Atlanta (ATL) · 45 min minimum on one ticket
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17:42 ATL → 18:54 CHSDL 3179 · Delta · 1h 15m · 76% on time, 1.6% cancelled
Total trip 7h 41m, scheduled departure to arrival (Charleston is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 217 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 22m layover.
Arrives on time72%First flight not cancelled (3.0% are) × connection made (99%) × second flight not cancelled (1.6% are) and within 15 minutes (76%).
Total trip7h 41mHOU 10:16 to CHS 18:54, 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.