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

Dulles → Portland via Chicago: arrives on time 81%

  1. 06:10 IAD → 07:27 ORD
    UA 2070 · United · 2h 17m · 84% on time, 0.0% cancelled
  2. 1h 33m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 09:00 ORD → 11:38 PDX
    UA 1994 · United · 4h 38m · 85% on time, 0.0% cancelled

Total trip 8h 28m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 37 of the last 56 days.

Makes the connection95%The first flight arrived more than 48 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 33m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 28mIAD 06:10 to PDX 11:38, 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.