Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Miami via Chicago: arrives on time 62%
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08:15 IAD → 09:36 ORDUA 1775 · United · 2h 21m · 84% on time, 0.6% cancelled
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57m layover in Chicago (ORD) · 45 min minimum on one ticket
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10:33 ORD → 14:57 MIAUA 1620 · United · 3h 24m · 77% on time, 1.3% cancelled
Total trip 6h 42m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection82%The first flight arrived more than 12 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time62%First flight not cancelled (0.6% are) × connection made (82%) × second flight not cancelled (1.3% are) and within 15 minutes (77%).
Total trip6h 42mIAD 08:15 to MIA 14:57, 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.