Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Columbus via Chicago: arrives on time 76%
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10:31 IAD → 11:53 ORDUA 1252 · United · 2h 22m · 92% on time, 0.8% cancelled
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55m layover in Chicago (ORD) · 45 min minimum on one ticket
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12:48 ORD → 15:28 CMHUA 3554 · United, flown by Republic · 1h 40m · 86% on time, 2.0% cancelled
Total trip 4h 57m, scheduled departure to arrival. Times are local. Both flew on 51 of the last 56 days.
Makes the connection90%The first flight arrived more than 10 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time76%First flight not cancelled (0.8% are) × connection made (90%) × second flight not cancelled (2.0% are) and within 15 minutes (86%).
Total trip4h 57mIAD 10:31 to CMH 15:28, 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.