Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Portland via Dulles: arrives on time 77%
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11:07 ORD → 14:12 IADUA 1869 · United · 2h 05m · 89% on time, 0.0% cancelled
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3h 18m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:30 IAD → 19:27 PWMUA 3651 · United, flown by Republic · 1h 57m · 91% on time, 13.5% cancelled
Total trip 7h 20m, scheduled departure to arrival (Portland is 1 h ahead of Chicago). Times are local. Both flew on 37 of the last 56 days.
Makes the connection99%The first flight arrived more than 153 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 18m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (13.5% are) and within 15 minutes (91%).
Total trip7h 20mORD 11:07 to PWM 19:27, 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.