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

Dulles → Portland via Denver: arrives on time 87%

  1. 10:13 IAD → 12:05 DEN
    UA 1865 · United · 3h 52m · 93% on time, 0.0% cancelled
  2. 1h 22m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 13:27 DEN → 15:13 PDX
    UA 2455 · United · 2h 46m · 90% on time, 0.0% cancelled

Total trip 8h 00m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 37 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 22m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip8h 00mIAD 10:13 to PDX 15:13, 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.