Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Charlotte via Houston: arrives on time 56%
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14:53 IAD → 17:11 IAHUA 2857 · United · 3h 18m · 70% on time, 0.0% cancelled
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1h 01m layover in Houston (IAH) · 45 min minimum on one ticket
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18:12 IAH → 21:59 CLTUA 2864 · United · 2h 47m · 78% on time, 1.1% cancelled
Total trip 7h 06m, scheduled departure to arrival. Times are local. Both flew on 28 of the last 56 days.
Makes the connection72%The first flight arrived more than 16 minutes late on 28% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time56%First flight not cancelled (0.0% are) × connection made (72%) × second flight not cancelled (1.1% are) and within 15 minutes (78%).
Total trip7h 06mIAD 14:53 to CLT 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.