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

Dulles → Seattle via Los Angeles: arrives on time 91%

  1. 15:15 IAD → 17:47 LAX
    UA 684 · United · 5h 32m · 89% on time, 0.0% cancelled
  2. 3h 25m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
  3. 21:12 LAX → 23:59 SEA
    AS 495 · Alaska · 2h 47m · 92% on time, 0.0% cancelled

Total trip 11h 44m, scheduled departure to arrival (Seattle is 3 h behind Dulles). Times are local. Both flew on 25 of the last 56 days.

Makes the connection99%The first flight arrived more than 115 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 25m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip11h 44mIAD 15:15 to SEA 23:59, 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.