Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Chicago via Dayton: arrives on time 83%
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08:15 IAD → 09:48 DAYUA 4188 · United, flown by GoJet · 1h 33m · 81% on time, 2.7% cancelled
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2h 41m layover in Dayton (DAY) · 90 min minimum on separate tickets
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12:29 DAY → 12:54 ORDAA 3786 · American, flown by Envoy · 1h 25m · 96% on time, 0.0% cancelled
Total trip 5h 39m, scheduled departure to arrival (Chicago is 1 h behind Dulles). Times are local. Both flew on 26 of the last 56 days.
Makes the connection89%The first flight arrived more than 71 minutes late on 11% of the days it flew: too late for the 90-minute minimum connection on a 2h 41m layover.
Arrives on time83%First flight not cancelled (2.7% are) × connection made (89%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip5h 39mIAD 08:15 to ORD 12:54, 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.