Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Charleston → Houston via Atlanta: arrives on time 64%
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11:18 CHS → 12:27 ATLDL 3091 · Delta · 1h 15m · 93% on time, 1.1% cancelled
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3h 38m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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16:05 ATL → 17:15 HOUWN 206 · Southwest · 2h 10m · 68% on time, 3.8% cancelled
Total trip 6h 57m, scheduled departure to arrival (Houston is 1 h behind Charleston). Times are local. Both flew on 24 of the last 56 days.
Makes the connection98%The first flight arrived more than 128 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 38m layover.
Arrives on time64%First flight not cancelled (1.1% are) × connection made (98%) × second flight not cancelled (3.8% are) and within 15 minutes (68%).
Total trip6h 57mCHS 11:18 to HOU 17:15, 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.