Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Denver via Dulles: arrives on time 91%
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06:30 ORD → 09:24 IADUA 1689 · United · 1h 54m · 100% on time, 1.4% cancelled
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49m layover in Dulles (IAD) · 45 min minimum on one ticket
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10:13 IAD → 12:05 DENUA 1865 · United · 3h 52m · 93% on time, 0.0% cancelled
Total trip 6h 35m, scheduled departure to arrival (Denver is 1 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 4 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time91%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip6h 35mORD 06:30 to DEN 12:05, 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.