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

Dulles → Portland via Los Angeles: arrives on time 88%

  1. 08:15 IAD → 10:47 LAX
    UA 1734 · United · 5h 32m · 86% on time, 1.6% cancelled
  2. 3h 40m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
  3. 14:27 LAX → 16:47 PDX
    AS 1315 · Alaska · 2h 20m · 92% on time, 0.6% cancelled

Total trip 11h 32m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 23 of the last 56 days.

Makes the connection98%The first flight arrived more than 130 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 40m layover.
Arrives on time88%First flight not cancelled (1.6% are) × connection made (98%) × second flight not cancelled (0.6% are) and within 15 minutes (92%).
Total trip11h 32mIAD 08:15 to PDX 16:47, 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.