Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Denver via Dulles: arrives on time 81%
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10:34 BUF → 11:50 IADUA 3430 · United, flown by Republic · 1h 16m · 88% on time, 0.0% cancelled
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58m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:48 IAD → 14:42 DENUA 1587 · United · 3h 54m · 92% on time, 0.3% cancelled
Total trip 6h 08m, scheduled departure to arrival (Denver is 2 h behind Buffalo). Times are local. Both flew on 32 of the last 56 days.
Makes the connection88%The first flight arrived more than 13 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (88%) × second flight not cancelled (0.3% are) and within 15 minutes (92%).
Total trip6h 08mBUF 10:34 to DEN 14:42, 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.