Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Dulles via Houston: arrives on time 57%
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15:57 ATL → 17:23 IAHUA 3992 · United, flown by Mesa · 2h 26m · 72% on time, 0.0% cancelled
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1h 09m layover in Houston (IAH) · 45 min minimum on one ticket
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18:32 IAH → 22:43 IADUA 1373 · United · 3h 11m · 73% on time, 1.2% cancelled
Total trip 6h 46m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection78%The first flight arrived more than 24 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 1h 09m layover.
Arrives on time57%First flight not cancelled (0.0% are) × connection made (78%) × second flight not cancelled (1.2% are) and within 15 minutes (73%).
Total trip6h 46mATL 15:57 to IAD 22:43, 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.