Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dayton → Chicago via Atlanta: arrives on time 78%
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06:00 DAY → 07:42 ATLDL 3140 · Delta · 1h 42m · 91% on time, 2.6% cancelled
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3h 47m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:29 ATL → 12:52 ORDUA 1239 · United · 2h 23m · 82% on time, 0.0% cancelled
Total trip 7h 52m, scheduled departure to arrival (Chicago is 1 h behind Dayton). Times are local. Both flew on 56 of the last 56 days.
Makes the connection98%The first flight arrived more than 137 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 47m layover.
Arrives on time78%First flight not cancelled (2.6% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (82%).
Total trip7h 52mDAY 06:00 to ORD 12:52, 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.