Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Houston via Chicago: arrives on time 90%
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22:40 PDX → 04:45 ORDUA 2094 · United · 4h 05m · 90% on time, 0.0% cancelled
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2h 50m layover in Chicago (ORD) · 45 min minimum on one ticket
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07:35 ORD → 10:36 IAH +1 dayUA 1231 · United · 3h 01m · 91% on time, 1.3% cancelled
Total trip 9h 56m, scheduled departure to arrival (Houston is 2 h ahead of Portland). Times are local. Both flew on 55 of the last 56 days.
Makes the connection100%The first flight arrived more than 125 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time90%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.3% are) and within 15 minutes (91%).
Total trip9h 56mPDX 22:40 to IAH 10:36, 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.