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

Seattle → Chicago via Dulles: arrives on time 91%

  1. 22:43 SEA → 06:39 IAD
    AS 367 · Alaska · 4h 56m · 84% on time, 0.0% cancelled
  2. 3h 52m layover in Dulles (IAD) · 90 min minimum on separate tickets
  3. 10:31 IAD → 11:53 ORD +1 day
    UA 1252 · United · 2h 22m · 92% on time, 0.8% cancelled

Total trip 11h 10m, scheduled departure to arrival (Chicago is 2 h ahead of Seattle). Times are local. Both flew on 54 of the last 56 days.

Makes the connection100%The first flight arrived more than 142 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 52m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.8% are) and within 15 minutes (92%).
Total trip11h 10mSEA 22:43 to ORD 11:53, 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.