Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Portland via San Francisco: arrives on time 48%
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19:34 DEN → 21:20 SFOUA 1389 · United · 2h 46m · 44% on time, 0.0% cancelled
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1h 32m layover in San Francisco (SFO) · 45 min minimum on one ticket
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22:52 SFO → 00:50 PDX +1 dayUA 2384 · United · 1h 58m · 75% on time, 0.0% cancelled
Total trip 6h 16m, scheduled departure to arrival (Portland is 1 h behind Denver). Times are local. Both flew on 56 of the last 56 days.
Makes the connection64%The first flight arrived more than 47 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 32m layover.
Arrives on time48%First flight not cancelled (0.0% are) × connection made (64%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip6h 16mDEN 19:34 to PDX 00:50, 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.