Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Columbus via Atlanta: arrives on time 71%
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11:05 MDW → 14:01 ATLDL 1063 · Delta · 1h 56m · 90% on time, 2.7% cancelled
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3h 24m 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 6h 58m, scheduled departure to arrival (Columbus is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 159 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 24m layover.
Arrives on time71%First flight not cancelled (2.7% are) × connection made (99%) × second flight not cancelled (1.1% are) and within 15 minutes (74%).
Total trip6h 58mMDW 11:05 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.