Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Denver via Dulles: arrives on time 91%
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05:30 ATL → 07:20 IADUA 641 · United · 1h 50m · 96% on time, 1.0% cancelled
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2h 53m layover in Dulles (IAD) · 45 min minimum on one ticket
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10:13 IAD → 12:05 DENUA 1865 · United · 3h 52m · 93% on time, 0.0% cancelled
Total trip 8h 35m, scheduled departure to arrival (Denver is 2 h behind Atlanta). Times are local. Both flew on 56 of the last 56 days.
Makes the connection98%The first flight arrived more than 128 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 53m layover.
Arrives on time91%First flight not cancelled (1.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip8h 35mATL 05:30 to DEN 12:05, 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.