Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Portland via Denver: arrives on time 69%
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07:05 ORD → 08:55 DENUA 1217 · United · 2h 50m · 92% on time, 0.0% cancelled
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59m layover in Denver (DEN) · 45 min minimum on one ticket
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09:54 DEN → 15:49 PWMUA 1598 · United · 3h 55m · 75% on time, 0.0% cancelled
Total trip 7h 44m, scheduled departure to arrival (Portland is 1 h ahead of Chicago). Times are local. Both flew on 36 of the last 56 days.
Makes the connection92%The first flight arrived more than 14 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip7h 44mORD 07:05 to PWM 15:49, 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.