Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Portland via Chicago: arrives on time 31%
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14:22 DEN → 18:16 ORDAA 1760 · American · 2h 55m · 60% on time, 2.9% cancelled
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1h 04m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:20 ORD → 21:50 PDXAA 2977 · American · 4h 30m · 52% on time, 1.4% cancelled
Total trip 8h 28m, scheduled departure to arrival (Portland is 1 h behind Denver). Times are local. Both flew on 55 of the last 56 days.
Makes the connection62%The first flight arrived more than 19 minutes late on 38% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time31%First flight not cancelled (2.9% are) × connection made (62%) × second flight not cancelled (1.4% are) and within 15 minutes (52%).
Total trip8h 28mDEN 14:22 to PDX 21:50, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.