Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Louisville via Dulles: arrives on time 75%
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08:40 ORD → 11:52 IADUA 2277 · United · 2h 12m · 92% on time, 0.0% cancelled
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56m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:48 IAD → 14:37 SDFUA 3980 · United, flown by Mesa · 1h 49m · 82% on time, 0.4% cancelled
Total trip 4h 57m, scheduled departure to arrival (Louisville is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 11 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time75%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.4% are) and within 15 minutes (82%).
Total trip4h 57mORD 08:40 to SDF 14:37, 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.