Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → St Louis via Chicago: arrives on time 38%
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10:46 PDX → 17:00 ORDUA 1641 · United · 4h 14m · 76% on time, 0.0% cancelled
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55m layover in Chicago (ORD) · 45 min minimum on one ticket
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17:55 ORD → 19:23 STLUA 4412 · United, flown by GoJet · 1h 28m · 56% on time, 2.7% cancelled
Total trip 6h 37m, scheduled departure to arrival (St Louis is 2 h ahead of Portland). Times are local. Both flew on 37 of the last 56 days.
Makes the connection71%The first flight arrived more than 10 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time38%First flight not cancelled (0.0% are) × connection made (71%) × second flight not cancelled (2.7% are) and within 15 minutes (56%).
Total trip6h 37mPDX 10:46 to STL 19:23, 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.