Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Charleston → Houston via St Louis: arrives on time 50%
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16:45 CHS → 17:50 STLWN 493 · Southwest · 2h 10m · 67% on time, 0.0% cancelled
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3h 55m layover in St Louis (STL) · 45 min minimum on one ticket
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21:45 STL → 23:50 HOUWN 4617 · Southwest · 2h 02m · 52% on time, 0.0% cancelled
Total trip 8h 02m, scheduled departure to arrival (Houston is 1 h behind Charleston). Times are local. Both flew on 32 of the last 56 days.
Makes the connection96%The first flight arrived more than 190 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 3h 55m layover.
Arrives on time50%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (52%).
Total trip8h 02mCHS 16:45 to HOU 23:50, 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.