Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Columbus via Atlanta: arrives on time 85%
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08:55 MDW → 11:45 ATLWN 4154 · Southwest · 1h 50m · 86% on time, 0.0% cancelled
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2h 40m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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14:25 ATL → 15:59 CMHDL 2200 · Delta · 1h 35m · 88% on time, 1.2% cancelled
Total trip 6h 05m, scheduled departure to arrival (Columbus is 1 h ahead of Chicago). Times are local. Both flew on 40 of the last 56 days.
Makes the connection98%The first flight arrived more than 70 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 40m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (1.2% are) and within 15 minutes (88%).
Total trip6h 05mMDW 08:55 to CMH 15:59, 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.