Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Raleigh/Durham via Houston: arrives on time 52%
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14:53 IAD → 17:11 IAHUA 2857 · United · 3h 18m · 70% on time, 0.0% cancelled
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57m layover in Houston (IAH) · 45 min minimum on one ticket
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18:08 IAH → 21:59 RDUUA 2498 · United · 2h 51m · 77% on time, 0.7% cancelled
Total trip 7h 06m, scheduled departure to arrival. Times are local. Both flew on 28 of the last 56 days.
Makes the connection68%The first flight arrived more than 12 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time52%First flight not cancelled (0.0% are) × connection made (68%) × second flight not cancelled (0.7% are) and within 15 minutes (77%).
Total trip7h 06mIAD 14:53 to RDU 21:59, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.