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. 13:10 IAD → 15:42 LAX
    UA 1689 · United · 5h 32m · 90% on time, 0.5% cancelled
  2. 2h 45m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
  3. 18:27 LAX → 20:48 PDX
    AS 1397 · Alaska · 2h 21m · 89% on time, 0.0% cancelled

Total trip 10h 38m, scheduled departure to arrival (Portland is 3 h behind Dulles). Times are local. Both flew on 51 of the last 56 days.

Makes the connection99%The first flight arrived more than 75 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 2h 45m layover.
Arrives on time88%First flight not cancelled (0.5% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip10h 38mIAD 13:10 to PDX 20:48, 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.