Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbus → Dulles via Chicago: arrives on time 71%
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11:03 CMH → 11:39 ORDUA 622 · United · 1h 36m · 89% on time, 2.2% cancelled
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2h 53m layover in Chicago (ORD) · 45 min minimum on one ticket
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14:32 ORD → 17:30 IADUA 587 · United · 2h 00m · 73% on time, 0.4% cancelled
Total trip 6h 29m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection100%The first flight arrived more than 128 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 53m layover.
Arrives on time71%First flight not cancelled (2.2% are) × connection made (100%) × second flight not cancelled (0.4% are) and within 15 minutes (73%).
Total trip6h 29mCMH 11:03 to IAD 17:30, 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.