Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Portland → Denver via Dulles: arrives on time 68%

  1. 14:20 PWM → 16:30 IAD
    UA 3459 · United, flown by Republic · 2h 10m · 87% on time, 3.2% cancelled
  2. 2h 50m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 19:20 IAD → 21:27 DEN
    UA 2667 · United · 4h 07m · 74% on time, 0.0% cancelled

Total trip 9h 07m, scheduled departure to arrival (Denver is 2 h behind Portland). Times are local. Both flew on 32 of the last 56 days.

Makes the connection95%The first flight arrived more than 125 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time68%First flight not cancelled (3.2% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (74%).
Total trip9h 07mPWM 14:20 to DEN 21:27, 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.