Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dayton → Chicago via Dulles: arrives on time 66%
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19:43 DAY → 21:25 IADUA 4267 · United, flown by CommuteAir · 1h 42m · 87% on time, 1.8% cancelled
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55m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:20 IAD → 23:31 ORDUA 1738 · United · 2h 11m · 80% on time, 2.2% cancelled
Total trip 4h 48m, scheduled departure to arrival (Chicago is 1 h behind Dayton). Times are local. Both flew on 48 of the last 56 days.
Makes the connection85%The first flight arrived more than 10 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time66%First flight not cancelled (1.8% are) × connection made (85%) × second flight not cancelled (2.2% are) and within 15 minutes (80%).
Total trip4h 48mDAY 19:43 to ORD 23:31, 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.