Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Raleigh/Durham via Dulles: arrives on time 73%
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08:40 ORD → 11:52 IADUA 2277 · United · 2h 12m · 92% on time, 0.0% cancelled
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58m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:50 IAD → 14:08 RDUUA 4055 · United, flown by Mesa · 1h 18m · 80% on time, 0.0% cancelled
Total trip 4h 28m, scheduled departure to arrival (Raleigh/Durham is 1 h ahead of Chicago). Times are local. Both flew on 31 of the last 56 days.
Makes the connection92%The first flight arrived more than 13 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip4h 28mORD 08:40 to RDU 14:08, 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.