Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Portland via Houston: arrives on time 80%
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07:05 ATL → 08:15 IAHUA 532 · United · 2h 10m · 89% on time, 0.5% cancelled
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1h 15m layover in Houston (IAH) · 45 min minimum on one ticket
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09:30 IAH → 11:56 PDXUA 740 · United · 4h 26m · 86% on time, 0.0% cancelled
Total trip 7h 51m, scheduled departure to arrival (Portland is 3 h behind Atlanta). Times are local. Both flew on 56 of the last 56 days.
Makes the connection94%The first flight arrived more than 30 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time80%First flight not cancelled (0.5% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip7h 51mATL 07:05 to PDX 11:56, 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.