Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Raleigh/Durham → Houston via Dulles: arrives on time 76%
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10:32 RDU → 11:43 IADUA 1535 · United · 1h 11m · 90% on time, 0.7% cancelled
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1h 07m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:50 IAD → 15:11 IAHUA 1535 · United · 3h 21m · 84% on time, 0.7% cancelled
Total trip 5h 39m, scheduled departure to arrival (Houston is 1 h behind Raleigh/Durham). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 22 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time76%First flight not cancelled (0.7% are) × connection made (91%) × second flight not cancelled (0.7% are) and within 15 minutes (84%).
Total trip5h 39mRDU 10:32 to IAH 15:11, 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.