Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Dulles via Harrisburg: arrives on time 85%
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08:05 ORD → 11:11 MDTAA 4746 · American, flown by Republic · 2h 06m · 93% on time, 0.0% cancelled
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3h 41m layover in Harrisburg (MDT) · 90 min minimum on separate tickets
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14:52 MDT → 15:50 IADUA 4268 · United, flown by CommuteAir · 58m · 85% on time, 1.1% cancelled
Total trip 6h 45m, scheduled departure to arrival (Dulles is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection100%The first flight arrived more than 131 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 41m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.1% are) and within 15 minutes (85%).
Total trip6h 45mORD 08:05 to IAD 15:50, 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.