Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Portland via Denver: arrives on time 87%
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05:00 ORD → 06:42 DENUA 2666 · United · 2h 42m · 98% on time, 0.6% cancelled
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1h 23m layover in Denver (DEN) · 45 min minimum on one ticket
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08:05 DEN → 09:47 PDXUA 1247 · United · 2h 42m · 88% on time, 0.0% cancelled
Total trip 6h 47m, scheduled departure to arrival (Portland is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection99%The first flight arrived more than 38 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 1h 23m layover.
Arrives on time87%First flight not cancelled (0.6% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip6h 47mORD 05:00 to PDX 09:47, 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.