Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Dulles via Kansas City: arrives on time 85%
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08:40 ORD → 10:29 MCIUA 1484 · United · 1h 49m · 86% on time, 1.4% cancelled
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2h 01m layover in Kansas City (MCI) · 45 min minimum on one ticket
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12:30 MCI → 16:03 IADUA 688 · United · 2h 33m · 92% on time, 2.7% cancelled
Total trip 6h 23m, scheduled departure to arrival (Dulles is 1 h ahead of Chicago). Times are local. Both flew on 37 of the last 56 days.
Makes the connection97%The first flight arrived more than 76 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 01m layover.
Arrives on time85%First flight not cancelled (1.4% are) × connection made (97%) × second flight not cancelled (2.7% are) and within 15 minutes (92%).
Total trip6h 23mORD 08:40 to IAD 16:03, 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.