Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Raleigh/Durham → Chicago via Dulles: arrives on time 79%
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06:00 RDU → 07:11 IADUA 1789 · United · 1h 11m · 96% on time, 1.8% cancelled
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1h 04m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:15 IAD → 09:36 ORDUA 1775 · United · 2h 21m · 84% on time, 0.6% cancelled
Total trip 4h 36m, scheduled departure to arrival (Chicago is 1 h behind Raleigh/Durham). Times are local. Both flew on 54 of the last 56 days.
Makes the connection96%The first flight arrived more than 19 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time79%First flight not cancelled (1.8% are) × connection made (96%) × second flight not cancelled (0.6% are) and within 15 minutes (84%).
Total trip4h 36mRDU 06:00 to ORD 09:36, 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.