Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Louisville → Chicago via Dulles: arrives on time 89%
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06:00 SDF → 07:35 IADUA 3438 · United, flown by Republic · 1h 35m · 93% on time, 1.4% cancelled
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2h 56m layover in Dulles (IAD) · 45 min minimum on one ticket
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10:31 IAD → 11:53 ORDUA 1252 · United · 2h 22m · 92% on time, 0.8% cancelled
Total trip 6h 53m, scheduled departure to arrival (Chicago is 1 h behind Louisville). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 131 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 56m layover.
Arrives on time89%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (0.8% are) and within 15 minutes (92%).
Total trip6h 53mSDF 06:00 to ORD 11:53, 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.