Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Washington via Denver: arrives on time 87%
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05:00 PDX → 08:31 DENUA 459 · United · 2h 31m · 97% on time, 0.3% cancelled
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59m layover in Denver (DEN) · 45 min minimum on one ticket
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09:30 DEN → 14:59 DCAUA 789 · United · 3h 29m · 91% on time, 0.4% cancelled
Total trip 6h 59m, scheduled departure to arrival (Washington is 3 h ahead of Portland). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 14 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 59m layover.
Arrives on time87%First flight not cancelled (0.3% are) × connection made (97%) × second flight not cancelled (0.4% are) and within 15 minutes (91%).
Total trip6h 59mPDX 05:00 to DCA 14:59, 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.