Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Portland via San Francisco: arrives on time 86%
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09:43 DEN → 11:25 SFOUA 1506 · United · 2h 42m · 48% on time, 0.6% cancelled
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3h 30m layover in San Francisco (SFO) · 45 min minimum on one ticket
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14:55 SFO → 16:47 PDXUA 2851 · United · 1h 52m · 88% on time, 0.0% cancelled
Total trip 8h 04m, scheduled departure to arrival (Portland is 1 h behind Denver). Times are local. Both flew on 24 of the last 56 days.
Makes the connection99%The first flight arrived more than 165 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 30m layover.
Arrives on time86%First flight not cancelled (0.6% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip8h 04mDEN 09:43 to PDX 16:47, 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.