Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Chicago via Charleston: arrives on time 87%
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08:25 IAD → 10:11 CHSUA 1108 · United · 1h 46m · 94% on time, 0.0% cancelled
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1h 20m layover in Charleston (CHS) · 45 min minimum on one ticket
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11:31 CHS → 13:09 ORDUA 592 · United · 2h 38m · 89% on time, 0.9% cancelled
Total trip 5h 44m, scheduled departure to arrival (Chicago is 1 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 35 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.9% are) and within 15 minutes (89%).
Total trip5h 44mIAD 08:25 to ORD 13:09, 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.