Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Columbus via Atlanta: arrives on time 67%
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13:22 STL → 16:07 ATLDL 566 · Delta · 1h 41m · 86% on time, 2.1% cancelled
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1h 18m layover in Atlanta (ATL) · 45 min minimum on one ticket
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17:25 ATL → 19:03 CMHDL 2786 · Delta · 1h 38m · 74% on time, 1.1% cancelled
Total trip 4h 41m, scheduled departure to arrival (Columbus is 1 h ahead of St Louis). Times are local. Both flew on 55 of the last 56 days.
Makes the connection93%The first flight arrived more than 33 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 18m layover.
Arrives on time67%First flight not cancelled (2.1% are) × connection made (93%) × second flight not cancelled (1.1% are) and within 15 minutes (74%).
Total trip4h 41mSTL 13:22 to CMH 19:03, 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.