Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Houston via Denver: arrives on time 70%
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08:50 PDX → 12:24 DENUA 2375 · United · 2h 34m · 97% on time, 0.5% cancelled
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1h 06m layover in Denver (DEN) · 45 min minimum on one ticket
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13:30 DEN → 17:04 IAHUA 1829 · United · 2h 34m · 73% on time, 0.3% cancelled
Total trip 6h 14m, scheduled departure to arrival (Houston is 2 h ahead of Portland). Times are local. Both flew on 56 of the last 56 days.
Makes the connection98%The first flight arrived more than 21 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 06m layover.
Arrives on time70%First flight not cancelled (0.5% are) × connection made (98%) × second flight not cancelled (0.3% are) and within 15 minutes (73%).
Total trip6h 14mPDX 08:50 to IAH 17:04, 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.