Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Chicago via San Francisco: arrives on time 81%
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11:16 PDX → 13:07 SFOUA 1613 · United · 1h 51m · 38% on time, 0.0% cancelled
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3h 14m layover in San Francisco (SFO) · 45 min minimum on one ticket
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16:21 SFO → 22:59 ORDUA 1482 · United · 4h 38m · 81% on time, 0.4% cancelled
Total trip 9h 43m, scheduled departure to arrival (Chicago is 2 h ahead of Portland). Times are local. Both flew on 37 of the last 56 days.
Makes the connection100%The first flight arrived more than 149 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 14m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.4% are) and within 15 minutes (81%).
Total trip9h 43mPDX 11:16 to ORD 22:59, 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.