Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Dallas via Atlanta: arrives on time 85%
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07:12 ORD → 10:27 ATLUA 425 · United · 2h 15m · 86% on time, 0.0% cancelled
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3h 32m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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13:59 ATL → 15:03 DALDL 512 · Delta · 2h 13m · 86% on time, 1.4% cancelled
Total trip 8h 00m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection100%The first flight arrived more than 122 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 32m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.4% are) and within 15 minutes (86%).
Total trip8h 00mORD 07:12 to DAL 15:03, 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.