Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Charleston → St Louis via Chicago: arrives on time 75%
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07:30 CHS → 09:05 ORDAA 3027 · American · 2h 34m · 90% on time, 2.8% cancelled
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1h 35m layover in Chicago (ORD) · 90 min minimum on separate tickets
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10:40 ORD → 12:11 STLUA 1355 · United · 1h 31m · 91% on time, 2.8% cancelled
Total trip 5h 41m, scheduled departure to arrival (St Louis is 1 h behind Charleston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection87%The first flight arrived more than 5 minutes late on 13% of the days it flew: too late for the 90-minute minimum connection on a 1h 35m layover.
Arrives on time75%First flight not cancelled (2.8% are) × connection made (87%) × second flight not cancelled (2.8% are) and within 15 minutes (91%).
Total trip5h 41mCHS 07:30 to STL 12:11, 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.