tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Dulles → Portland via Los Angeles: arrives on time 87%

  1. 15:15 IAD → 17:47 LAX
    UA 684 · United · 5h 32m · 89% on time, 0.0% cancelled
  2. 3h 48m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
  3. 21:35 LAX → 23:56 PDX
    AS 207 · Alaska · 2h 21m · 88% on time, 0.7% cancelled

Total trip 11h 41m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 38 of the last 56 days.

Makes the connection99%The first flight arrived more than 138 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 48m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.7% are) and within 15 minutes (88%).
Total trip11h 41mIAD 15:15 to PDX 23:56, 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.