Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → St Louis via Atlanta: arrives on time 76%
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10:02 CMH → 11:37 ATLDL 1479 · Delta · 1h 35m · 88% on time, 2.6% cancelled
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4h 28m layover in Atlanta (ATL) · 45 min minimum on one ticket
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16:05 ATL → 16:48 STLDL 543 · Delta · 1h 43m · 81% on time, 2.7% cancelled
Total trip 7h 46m, scheduled departure to arrival (St Louis is 1 h behind Columbus). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection100%The first flight arrived more than 223 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 4h 28m layover.
Arrives on time76%First flight not cancelled (2.6% are) × connection made (100%) × second flight not cancelled (2.7% are) and within 15 minutes (81%).
Total trip7h 46mCMH 10:02 to STL 16:48, 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.